Proper implementation of memory_unit and mem_precision
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Fred
parent
51b8bd61e0
commit
efb5a4f4be
1 changed files with 43 additions and 47 deletions
90
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90
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@ -3104,7 +3104,7 @@ get_memory() {
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"MemTotal") ((mem_used+=${b/kB})); mem_total="${b/kB}" ;;
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"Shmem") ((mem_used+=${b/kB})) ;;
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"MemFree" | "Buffers" | "Cached" | "SReclaimable")
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mem_used="$((mem_used-=${b/kB}))"
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mem_used="$((mem_used-${b/kB}))"
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;;
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# Available since Linux 3.14rc (34e431b0ae398fc54ea69ff85ec700722c9da773).
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@ -3115,36 +3115,30 @@ get_memory() {
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esac
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done < /proc/meminfo
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if [[ $mem_avail ]]; then
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mem_used=$(((mem_total - mem_avail) / 1024))
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else
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mem_used="$((mem_used / 1024))"
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fi
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mem_total="$((mem_total / 1024))"
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[[ $mem_avail ]] && mem_used=$((mem_total - mem_avail))
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;;
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"Mac OS X" | "macOS" | "iPhone OS")
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hw_pagesize="$(sysctl -n hw.pagesize)"
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mem_total="$(($(sysctl -n hw.memsize) / 1024 / 1024))"
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mem_total="$(($(sysctl -n hw.memsize) / 1024))"
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pages_app="$(($(sysctl -n vm.page_pageable_internal_count) - $(sysctl -n vm.page_purgeable_count)))"
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pages_wired="$(vm_stat | awk '/ wired/ { print $4 }')"
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pages_compressed="$(vm_stat | awk '/ occupied/ { printf $5 }')"
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pages_compressed="${pages_compressed:-0}"
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mem_used="$(((pages_app + ${pages_wired//.} + ${pages_compressed//.}) * hw_pagesize / 1024 / 1024))"
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mem_used="$(((pages_app + ${pages_wired//.} + ${pages_compressed//.}) * hw_pagesize / 1024))"
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;;
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"BSD" | "MINIX" | "ravynOS")
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# Mem total.
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case $kernel_name in
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"NetBSD"*) mem_total="$(($(sysctl -n hw.physmem64) / 1024 / 1024))" ;;
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*) mem_total="$(($(sysctl -n hw.physmem) / 1024 / 1024))" ;;
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"NetBSD"*) mem_total="$(($(sysctl -n hw.physmem64) / 1024))" ;;
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*) mem_total="$(($(sysctl -n hw.physmem) / 1024))" ;;
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esac
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# Mem free.
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case $kernel_name in
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"NetBSD"*)
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mem_free="$(($(awk -F ':|kB' '/MemFree:/ {printf $2}' /proc/meminfo) / 1024))"
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mem_free="$(awk -F ':|kB' '/MemFree:/ {printf $2}' /proc/meminfo)"
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;;
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"FreeBSD"* | "DragonFly"*)
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@ -3152,23 +3146,23 @@ get_memory() {
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mem_inactive="$(($(sysctl -n vm.stats.vm.v_inactive_count) * hw_pagesize))"
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mem_unused="$(($(sysctl -n vm.stats.vm.v_free_count) * hw_pagesize))"
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mem_cache="$(($(sysctl -n vm.stats.vm.v_cache_count) * hw_pagesize))"
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mem_free="$(((mem_inactive + mem_unused + mem_cache) / 1024 / 1024))"
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mem_free="$(((mem_inactive + mem_unused + mem_cache) / 1024))"
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;;
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"MINIX")
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mem_free="$(top -d 1 | awk -F ',' '/^Memory:/ {print $2}')"
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mem_free="${mem_free/M Free}"
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mem_free=$(("${mem_free/M Free}" * 1024))
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;;
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"OpenBSD"*) ;;
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*) mem_free="$(($(vmstat | awk 'END {printf $5}') / 1024))" ;;
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*) mem_free="$(vmstat | awk 'END {printf $5}')" ;;
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esac
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# Mem used.
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case $kernel_name in
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"OpenBSD"*)
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mem_used="$(vmstat | awk 'END {printf $3}')"
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mem_used="${mem_used/M}"
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mem_used=$(("${mem_used/M}" * 1024))
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;;
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*) mem_used="$((mem_total - mem_free))" ;;
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@ -3189,23 +3183,23 @@ get_memory() {
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pages_free="${mem_stat[16]}"
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;;
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esac
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mem_total="$((pages_total * hw_pagesize / 1024 / 1024))"
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mem_free="$((pages_free * hw_pagesize / 1024 / 1024))"
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mem_total="$((pages_total * hw_pagesize / 1024))"
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mem_free="$((pages_free * hw_pagesize / 1024))"
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mem_used="$((mem_total - mem_free))"
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;;
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"Haiku")
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mem_total="$(($(sysinfo -mem | awk -F '\\/ |)' '{print $2; exit}') / 1024 / 1024))"
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mem_total="$(($(sysinfo -mem | awk -F '\\/ |)' '{print $2; exit}') / 1024))"
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mem_used="$(sysinfo -mem | awk -F '\\/|)' '{print $2; exit}')"
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mem_used="$((${mem_used/max} / 1024 / 1024))"
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mem_used="$((${mem_used/max} / 1024))"
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;;
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"IRIX")
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IFS=$'\n' read -d "" -ra mem_cmd <<< "$(pmem)"
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IFS=" " read -ra mem_stat <<< "${mem_cmd[0]}"
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mem_total="$((mem_stat[3] / 1024))"
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mem_free="$((mem_stat[5] / 1024))"
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mem_total="${mem_stat[3]}"
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mem_free="${mem_stat[5]}"
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mem_used="$((mem_total - mem_free))"
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;;
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@ -3214,8 +3208,6 @@ get_memory() {
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mem_free="${mem/* }"
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mem_total="${mem/$mem_free}"
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mem_used="$((mem_total - mem_free))"
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mem_total="$((mem_total / 1024))"
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mem_used="$((mem_used / 1024))"
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;;
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esac
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@ -3224,49 +3216,53 @@ get_memory() {
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# Creates temp variables: memory_unit_divider, memory_unit_multiplier
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memory_unit_divider=1
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memory_unit_multiplier=1
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memory_unit_multiplier=$((10 ** mem_precision))
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# Keep a copy of the original megabyte values because progress bar need them
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mu_mb="$mem_used"
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mt_mb="$mem_total"
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# Keep a copy of the original kibibyte values because progress bar needs them
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mu_kib="$mem_used"
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mt_kib="$mem_total"
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case $memory_unit in
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tib)
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mem_label=TiB
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memory_unit_divider=$((1024 * 1024))
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memory_unit_divider=$((1024 * 1024 * 1024))
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;;
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gib)
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mem_label=GiB
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memory_unit_divider=1024
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memory_unit_divider=$((1024 * 1024))
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;;
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kib)
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mem_label=KiB
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memory_unit_multiplier=1024
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mib)
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mem_label=MiB
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memory_unit_divider=1024
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;;
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esac
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# Uses temp variables from above: memory_unit_divider, memory_unit_multiplier
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if test "$memory_unit_divider" -ge 1; then
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printf -v mem_used "%'.*f" \
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"${mem_precision}" \
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$((mem_used / memory_unit_divider)).$((mem_used % memory_unit_divider))
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printf -v mem_total "%'.*f" \
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"${mem_precision}" \
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$((mem_total / memory_unit_divider)).$((mem_total % memory_unit_divider))
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elif test "$memory_unit_multiplier" -ge 1; then
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mem_used=$((mem_used * memory_unit_multiplier))
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mem_total=$((mem_total * memory_unit_multiplier))
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case ${mem_precision} in
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0)
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mem_used="$((mem_used / memory_unit_divider))"
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mem_total="$((mem_total / memory_unit_divider))"
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;;
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*)
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mem_used="$((mem_used / memory_unit_divider)).$(printf "%0*d" "${mem_precision}" \
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$((mem_used % memory_unit_divider * memory_unit_multiplier / memory_unit_divider)))"
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mem_total="$((mem_total / memory_unit_divider)).$(printf "%0*d" "${mem_precision}" \
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$((mem_total % memory_unit_divider * memory_unit_multiplier / memory_unit_divider)))"
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;;
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esac
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fi
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memory="${mem_used} ${mem_label:-MiB} / ${mem_total} ${mem_label:-MiB} ${mem_perc:+(${mem_perc}%)}"
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memory="${mem_used} ${mem_label:-KiB} / ${mem_total} ${mem_label:-KiB} ${mem_perc:+(${mem_perc}%)}"
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# Bars.
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case $memory_display in
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"bar") memory="$(bar "${mu_mb}" "${mt_mb}")" ;;
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"infobar") memory="${memory} $(bar "${mu_mb}" "${mt_mb}")" ;;
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"barinfo") memory="$(bar "${mu_mb}" "${mt_mb}")${info_color} ${memory}" ;;
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"bar") memory="$(bar "${mu_kib}" "${mt_kib}")" ;;
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"infobar") memory="${memory} $(bar "${mu_kib}" "${mt_kib}")" ;;
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"barinfo") memory="$(bar "${mu_kib}" "${mt_kib}")${info_color} ${memory}" ;;
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esac
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}
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