540 lines
17 KiB
Bash
Executable file
540 lines
17 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Fetch info about your system
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#
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# Optional Dependencies: (You'll lose these features without them)
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# Displaying Images: w3m
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# Image Cropping: ImageMagick
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# Wallpaper Display: feh Window Manager Detection: wmctrl
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# Current Song: mpc
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# Text formatting, dynamic image size and padding: tput
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#
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# Created by Dylan Araps
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# https://github.com/dylanaraps/dotfiles
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# Info Prefixes {{{
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# The titles that come before the info (Ram:, Cpu:, Uptime:)
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# TODO: Add an easy way to specify these at launch.
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title_os="OS"
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title_kernel="Kernel"
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title_uptime="Uptime"
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title_packages="Packages"
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title_shell="Shell"
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title_windowmanager="Window Manager"
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title_cpu="CPU"
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title_memory="Memory"
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title_song="Song"
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# }}}
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# Text Formatting {{{
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# Line wrap
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# Set this to 0 or use the flag "--wrap on/off" to disable
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# line wrapping. Really useful for small terminal windows
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# and long lines.
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linewrap="on"
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# Set to "", comment this line or use the flag "--bold on/off"
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# to disable bold text.
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bold="on"
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# Whether or not to underline the title.
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# Configurable at launch with "--underline on/off"
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underline="on"
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# Character to underline title with
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# Configurable at launch with "--underline_char char"
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underline_char="-"
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# Default colors
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# Colors can be defined at launch with:
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# "--titlecol 1, --subtitlecol 2, --coloncol 3, --infocol 4"
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# Or the shorthand "-c/--color 1 2 3 4"
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# Or by editing them below.
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title_color=$(tput setaf 7)
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subtitle_color=$(tput setaf 1)
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colon_color=$(tput setaf 7) # Also changes underline color
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info_color=$(tput setaf 7)
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# Reset formatting
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# Removing this line will fuck up the text formatting
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clear=$(tput sgr0)
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# Amount of left padding to use when images are disabled.
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# The variable takes a count of spaces. So a value of 10
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# will pad the text to the right 10 spaces.
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padding=0
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# }}}
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# Custom Image {{{
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# Enable or disable the use of images (Disable images at launch with "--images on/off")
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images="on"
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# If "on", fetch will use a cropped version of your wallpaper as the image
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# (Disable this at launch with "--wall off")
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# NOTE: This is only compatible with feh, I can add support for more
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# wallpaper setters but you'll need to show me a way to get the current
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# wallpaper from the commandline.
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wall="on"
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# The image to use if wall="off". There's also the launch flag "--image"
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# to set a custom image at launch.
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img="$HOME/Pictures/avatars/gon.png"
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# Image size is based on terminal size
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# Using the flag "--size" sets this to 0.
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img_auto=1
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# Image size to use if img_auto=0
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# Also configureable at launch with "--size"
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size=128
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# Font width is needed to properly calulate the image size
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# If there's a gap on the right try increasing the value by 1
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# If there's an overlap try decreasing the value by 1
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fontwidth=5
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# Gap is the amount of space between the image and the text on the right
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gap=4
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# Image size/offset
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# (Customizable at launch with these flags: --xoffset 0 --yoffset 0")
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yoffset=0
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xoffset=0
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# Default crop offset (Customizable at launch with --cropoffset)
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# Possible values:
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# northwest, north, northeast, west, center, east, southwest, south, southeast
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crop_offset="center"
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# Directory to store cropped images
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imgtempdir="$HOME/.fetchimages"
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# }}}
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# Get Info {{{
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# Commands to use when gathering info
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# Title (Configurable with "-t" and "--title" at launch)
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# To use the usual "user@hostname" change the line below to:
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title="$(whoami)@$(hostname)"
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# Operating System (Configurable with "-O" and "--distro" at launch)
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# You can manually set this if the command below doesn't work for you.
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if type -p crux >/dev/null 2>&1; then
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os="CRUX"
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else
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os=$(awk '/^NAME=/' /etc/*ease | sed -n 's/^NAME=//p' | tr -d '"')
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fi
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# Linux kernel name/version (Configurable with "-K" and "--kernel" at launch)
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kernel=$(uname -r)
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# System Uptime (Configurable with "-U" and "--uptime" at launch)
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uptime=$(uptime -p)
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# Total number of packages (Configurable with "-P" and "--packages" at launch)
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# If your package manager can't be found open an issue on my github repo.
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# (Link is at the top)
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getpackages () {
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case $os in
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'Arch Linux'|'Parabola GNU/Linux-libre'|'Manjaro'|'Antergos') \
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packages=$(pacman -Q | wc -l) ;;
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'Ubuntu'|'Mint'|'Debian'|'Kali Linux'|'Deepin Linux') \
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packages=$(dpkg --get-selections | grep -v deinstall$ | wc -l) ;;
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'Slackware') \
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packages=$(ls -1 /var/log/packages | wc -l) ;;
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'Gentoo'|'Funtoo') \
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packages=$(ls -d /var/db/pkg/*/* | wc -l) ;;
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'Fedora'|'openSUSE'|'Red Hat Enterprise Linux'|'CentOS') \
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packages=$(rpm -qa | wc -l) ;;
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'CRUX') \
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packages=$(pkginfo -i | wc -l) ;;
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*) packages="unknown" ;;
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esac
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}
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# Shell (Configurable with "-s" and "--shell" at launch)
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shell="$SHELL"
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# Window manager (Configurable with "-W" and "--windowmanager" at launch)
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# (depends on wmctrl)
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# This can be detected without wmctrl by using an array of window manager
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# process names and pgrep but it's really slow.
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# (Doubles script startup time in some cases).
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# If you don't want to install wmctrl you can either edit the var below,
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# export the "windowmanager" variable in your shell's configuration file,
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# or run the script with: --windowmanager wmname
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# windowmanager="openbox"
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getwindowmanager () {
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if type -p wmctrl >/dev/null 2>&1; then
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windowmanager=$(wmctrl -m | awk '/Name:/ {printf $2}')
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elif [ -e ~/.xinitrc ]; then
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windowmanager=$(grep -v "^#" "${HOME}/.xinitrc" | tail -n 1 | cut -d " " -f2)
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else
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windowmanager="Unknown"
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fi
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}
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# Processor (Configurable with "-C", "-S" and "--cpu", "--speed" at launch)
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cpu="$(awk 'BEGIN{FS=":"} /model name/ {print $2; exit}' /proc/cpuinfo |\
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awk 'BEGIN{FS="@"; OFS="\n"} { print $1; exit }' |\
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sed -e 's/\((tm)\|(TM)\)//' -e 's/\((R)\|(r)\)//' -e 's/^\ //')"
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# Get current/min/max cpu speed
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speed_type="max"
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cpuspeed () {
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case $speed_type in
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current) speed="$(lscpu | awk '/CPU MHz:/ {printf "scale=1; " $3 " / 1000 \n"}' | bc -l)" ;;
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min) speed="$(lscpu | awk '/CPU min MHz:/ {printf "scale=1; " $4 " / 1000 \n"}' | bc -l)" ;;
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max) speed="$(lscpu | awk '/CPU max MHz:/ {printf "scale=1; " $4 " / 1000 \n"}' | bc -l)" ;;
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esac
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}
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# Memory (Configurable with "--memory" at launch)
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# Print used ram / total ram
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# This function checks the "free" command's version as
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# version 3.3.0 changed the layout of columns.
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getmemory () {
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freeversion=$(free --version | awk '{printf $4}')
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if [ ${freeversion//.} -gt 330 ] || [${freeversion//.} -gt 3300 ]; then
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memory=$(free -m | awk '/Mem:/ {printf $3 "MB / " $2 "MB"}')
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else
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usedmem=$(free -m | awk '/cache:/ {print $3}')
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totalmem=$(free -m | awk '/Mem:/ {print $2}')
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memory="${usedmem}MB / ${totalmem}MB"
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fi
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}
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# Currently playing song/artist (Configurable with "-m" and "--song" at launch)
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if type -p mpc >/dev/null 2>&1; then
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song=$(mpc current)
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else
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song="Unknown"
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fi
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# Print terminal colors in a line
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# (Configurable with "--printcols start end" at launch)
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# Start/End are vars for the range of colors to print
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# The default values below print 8 colors in total.
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start=0
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end=7
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# Print the color blocks by default.
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color_blocks="on"
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# Widh of the color blocks
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blockwidth=3
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printcols () {
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while [ "$start" -le "$end" ]; do
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printf "%s%${blockwidth}s" "$(tput setab $start)"
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start=$((start + 1))
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# Split the blocks at 8 colors
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[ $end -ge 9 ] && [ $start -eq 8 ] && printf "\n%${pad}s" "$clear$pad"
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done
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# Clear formatting
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printf %s "$clear"
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}
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# }}}
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# Usage {{{
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usage () {
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printf '%s\n'
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printf '%s\n' "usage: ${0##*/} [--colors 1 2 4 5] [--kernel \"\$(uname -rs)\"]"
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printf '%s\n'
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printf '%s\n' " Info:"
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printf '%s\n' " --title string Change the title at the top"
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printf '%s\n' " --distro string/cmd Manually set the distro"
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printf '%s\n' " --kernel string/cmd Manually set the kernel"
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printf '%s\n' " --uptime string/cmd Manually set the uptime"
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printf '%s\n' " --packages string/cmd Manually set the package count"
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printf '%s\n' " --shell string/cmd Manually set the shell"
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printf '%s\n' " --winman string/cmd Manually set the window manager"
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printf '%s\n' " --cpu string/cmd Manually set the cpu name"
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printf '%s\n' " --memory string/cmd Manually set the memory"
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printf '%s\n' " --speed string/cmd Manually set the cpu speed"
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printf '%s\n' " --speed_type Change the type of cpu speed to get"
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printf '%s\n' " Possible values: current, min, max"
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printf '%s\n' " --song string/cmd Manually set the current song"
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printf '%s\n'
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printf '%s\n' " Text Colors:"
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printf '%s\n' " --colors 1 2 3 4 Change the color of text"
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printf '%s\n' " (title, subtitle, colon, info)"
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printf '%s\n' " --titlecol num Change the color of the title"
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printf '%s\n' " --subtitlecol num Change the color of the subtitle"
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printf '%s\n' " --coloncol num Change the color of the colons"
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printf '%s\n' " --infocol num Change the color of the info"
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printf '%s\n'
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printf '%s\n' " Text Formatting:"
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printf '%s\n' " --underline on/off Enable/Disable title underline"
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printf '%s\n' " --underline_char char Character to use when underlineing title"
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printf '%s\n' " --linewrap on/off Enable/Disable line wrapping"
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printf '%s\n' " --bold on/off Enable/Disable bold text"
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printf '%s\n'
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printf '%s\n' " Color Blocks:"
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printf '%s\n' " --printcols start end Range of colors to print as blocks"
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printf '%s\n' " --blockwidth num Width of color blocks"
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printf '%s\n' " --color_blocks on/off Enable/Disable the color blocks"
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printf '%s\n'
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printf '%s\n' " Image:"
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printf '%s\n' " --image Image to display with the script"
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printf '%s\n' " The image gets priority over other"
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printf '%s\n' " images: (wallpaper, \$img)"
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printf '%s\n' " --fontwidth px Used to automatically size the image"
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printf '%s\n' " --size px Change the size of the image"
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printf '%s\n' " --cropoffset value Change the crop offset. Possible values:"
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printf '%s\n' " northwest, north, northeast, west, center"
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printf '%s\n' " east, southwest, south, southeast"
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printf '%s\n'
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printf '%s\n' " --padding num How many spaces to pad the text"
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printf '%s\n' " to the right"
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printf '%s\n' " --xoffset px How close the image will be "
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printf '%s\n' " to the left edge of the window"
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printf '%s\n' " --yoffset px How close the image will be "
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printf '%s\n' " --gap num Gap between image and text right side"
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printf '%s\n' " to the top edge of the window"
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printf '%s\n' " --images on/off Enable/Disable all images"
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printf '%s\n' " --wall on/off Enable/Disable the wallpaper function"
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printf '%s\n' " and fallback to \$img"
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printf '%s\n' " --clean Remove all cropped images"
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printf '%s\n'
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printf '%s\n' " Other:"
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printf '%s\n' " --help Print this text and exit"
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printf '%s\n'
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exit 1
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}
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# }}}
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# Args {{{
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for argument in "$@"; do
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case $1 in
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# Info
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--title) title="$2" ;;
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--distro) os="$2" ;;
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--kernel) kernel="$2" ;;
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--uptime) uptime="$2" ;;
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--packages) packages="$2" ;;
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--shell) shell="$2" ;;
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--winman) windowmanager="$2" ;;
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--cpu) cpu="$2" ;;
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--speed) speed="$2" ;;
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--speed_type) speed_type="$2" ;;
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--memory) memory="$2" ;;
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--song) song="$2" ;;
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# Text Colors
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--colors) title_color="$(tput setaf $2)"; \
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[ ! -z $3 ] && subtitle_color="$(tput setaf $3)"; \
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[ ! -z $4 ] && colon_color="$(tput setaf $4)"; \
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[ ! -z $5 ] && info_color="$(tput setaf $5)" ;;
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--titlecol) title_color="$(tput setaf $2)" ;;
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--subtitlecol) subtitle_color="$(tput setaf $2)" ;;
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--coloncol) colon_color="$(tput setaf $2)" ;;
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--infocol) info_color="$(tput setaf $2)" ;;
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# Text Formatting
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--underline) underline="$2" ;;
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--underline_char) underline_char="$2" ;;
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--linewrap) linewrap="$2" ;;
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--bold) bold="$2" ;;
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# Color Blocks
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--printcols) start=$2; end=$3 ;;
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--color_blocks) color_blocks="$2" ;;
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# Image
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--image) wall="off"; img="$2" ;;
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--fontwidth) fontwidth="$2" ;;
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--size) img_auto=0 imgsize="$2" ;;
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--cropoffset) crop_offset="$2" ;;
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--padding) padding="$2" ;;
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--xoffset) xoffset="$2" ;;
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--yoffset) yoffset="$2" ;;
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--gap) gap="$2" ;;
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--images) images="$2" ;;
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--wall) wall="$2" ;;
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--clean) rm -rf "$imgtempdir" || exit ;;
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# Other
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--help) usage ;;
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esac
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# The check here fixes shift in sh/mksh
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[ ! -z "$1" ] && shift
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done
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# }}}
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# Image {{{
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# If the script was called with --noimg, disable images and padding
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if [ $images == "on" ]; then
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# Check to see if auto=1
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if [ $img_auto -eq 1 ]; then
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# Image size is half of the terminal
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imgsize=$(($(tput cols) * fontwidth / 2))
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# Padding is half the terminal width + gap
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padding=$(($(tput cols) / 2 + gap))
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fi
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# If wall=on, Get image to display from current wallpaper.
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# (only works with feh)
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[ $wall == "on" ] && \
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img=$(awk '/feh/ {printf $3}' "$HOME/.fehbg" | sed -e "s/'//g")
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# Get name of image and prefix it with it's crop offset
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imgname="$crop_offset-${img##*/}"
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# This check allows you to resize the image at launch
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if [ -f "$imgtempdir/$imgname" ]; then
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imgheight=$(identify -format "%h" "$imgtempdir/$imgname")
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[ $imgheight != $imgsize ] && rm "$imgtempdir/$imgname"
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fi
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# Check to see if the tempfile exists before we do any cropping.
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if [ ! -f "$imgtempdir/$imgname" ]; then
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# Check if the directory exists and create it if it doesn't
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[ ! -d "$imgtempdir" ] && (mkdir "$imgtempdir" || exit)
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# Get wallpaper size so that we can do a better crop
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size=($(identify -format "%w %h" $img))
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# This checks to see if height is geater than width
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# so we can do a better crop of portrait images.
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if [ ${size[1]} -gt ${size[0]} ]; then
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size=${size[0]}
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else
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size=${size[1]}
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fi
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# Crop the image and save it to the $imgtempdir
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# By default we crop a square in the center of the image which is
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# "image height x image height".
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# We then resize it to the image size specified above.
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# (default 128x128 px, uses var $height)
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# This way we get a full image crop with the speed benefit
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# of a tiny image.
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convert \
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-crop "$size"x"$size"+0+0 \
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-gravity $crop_offset "$img" \
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-resize "$imgsize"x"$imgsize" "$imgtempdir/$imgname"
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fi
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# The final image
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img="$imgtempdir/$imgname"
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else
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img=""
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fi
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# }}}
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# Print Info {{{
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# Get cpu speed
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[ -z $speed ] && cpuspeed
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# Get packages
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[ -z $packages ] && getpackages
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# Get window manager
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[ -z $windowmanager ] && getwindowmanager
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# Get memory
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[ -z $memory ] && getmemory
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# Check for whether or not we bold text
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[ $bold == "on" ] && b=$(tput bold)
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# Padding
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pad=$(printf "%${padding}s")
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# Clear terminal before printing anything
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clear
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# Underline title with length of title
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[ $underline == "on" ] && uline=$(printf %"${#title}"s |tr " " "$underline_char")
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# Hide the terminal cursor while we print the info
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tput civis
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# Print the title and underline
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printf "%s\n" "$pad$b$title_color$title$clear"
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[ $underline == "on" ] && printf "%s\n" "$pad$colon_color$uline$clear"
|
|
|
|
# Custom printf function to make it easier to edit the info lines.
|
|
printinfo () {
|
|
printf "$pad$b$subtitle_color$1$clear"
|
|
printf "$colon_color:$clear "
|
|
printf "%s\n" "$info_color$2$clear"
|
|
}
|
|
|
|
# Disable line wrap
|
|
[ $linewrap == "off" ] && tput rmam
|
|
|
|
printinfo "$title_os" "$os"
|
|
printinfo "$title_kernel" "$kernel"
|
|
printinfo "$title_uptime" "$uptime"
|
|
printinfo "$title_packages" "$packages"
|
|
printinfo "$title_shell" "$shell"
|
|
printinfo "$title_windowmanager" "$windowmanager"
|
|
printinfo "$title_cpu" "$cpu @ ${speed}GHz"
|
|
printinfo "$title_memory" "$memory"
|
|
printinfo "$title_song" "$song"
|
|
|
|
# Display the color blocks
|
|
printf "\n"
|
|
[ $color_blocks == "on" ] && printf "$pad$(printcols)"
|
|
|
|
# Enable line wrap again
|
|
[ $linewrap == "off" ] && tput smam
|
|
|
|
# If w3mimgviewer is found Display the image
|
|
if type -p /usr/lib/w3m/w3mimgdisplay >/dev/null 2>&1; then
|
|
printf "0;1;$xoffset;$yoffset;$imgsize;$imgsize;;;;;$img\n4;\n3;" |\
|
|
/usr/lib/w3m/w3mimgdisplay
|
|
fi
|
|
|
|
# Show the cursor again
|
|
tput cnorm
|
|
|
|
# Move the cursor to the bottom of the terminal
|
|
tput cup $(tput lines)
|
|
|
|
|
|
# }}}
|