Merge pull request #435 from dylanaraps/find

Fix all Shellcheck messages

neofetch

@@ -405,7 +405,7 @@ get_packages() {
 
         "Mac OS X")
             [[ -d "/usr/local/bin" ]] && \
-                packages="$(($(ls -l /usr/local/bin/ | grep -v "\(../Cellar/\|brew\)" | wc -l) - 1))"
+                packages="$(($(ls -l /usr/local/bin/ | grep -cv "\(../Cellar/\|brew\)") - 1))"
 
             type -p port >/dev/null && \
                 packages="$((packages + $(port installed | wc -l) - 1))"
@@ -1686,7 +1686,7 @@ get_public_ip() {
     fi
 
     if [[ -z "$public_ip" ]] && type -p wget >/dev/null; then
-        public_ip="$(wget -T 10 -qO- "$public_ip_host"; printf "%s")"
+        public_ip="$(wget -T 10 -qO- "$public_ip_host")"
     fi
 }
 
@@ -1898,7 +1898,7 @@ get_ascii() {
 
         # Calculate size of ascii file in line length / line count.
         line="${line//\$\{??\}}"
-        line="${line//'\\'/'\'}"
+        line="${line//\\\\/\\}"
         (("${#line}" > "${ascii_length:-0}")) && ascii_length="${#line}"
         lines="$((lines+=1))"
     done < "$ascii"
@@ -2756,9 +2756,9 @@ dynamic_prompt() {
 
     # Set the prompt location
     if (("$lines" < 0)); then
-        printf "\033[${lines/-}A"
+        printf "%b" "\033[${lines/-}A"
     else
-        printf "\033[${lines}B"
+        printf "%b" "\033[${lines}B"
     fi
 
     # Add some padding
@@ -2795,7 +2795,7 @@ cache_uname() {
 usage() { printf "%s" "
     NEOFETCH
 
-    USAGE: neofetch --option "value" --option "value"
+    USAGE: neofetch --option \"value\" --option \"value\"
 
     NOTE: There's also a config option for each flag below.
 
@@ -3119,7 +3119,7 @@ main() {
         display_image
 
         # Set cursor position next to ascii art
-        printf "\033[$((${lines:-0} - ${prompt_loc:-0}))A"
+        printf "%b" "\033[$((${lines:-0} - ${prompt_loc:-0}))A"
 
         # Reset horizontal cursor position
         printf "\033[9999999D"