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fix: update `fetch` script 

Dividing by 1024 induces mebibytes (MiB), not megabytes (MB)
Change the way Memory is calculated
This commit is contained in:
swytch 2020-05-24 02:20:32 +02:00
parent a0918353fe
commit a2ce770d2f
1 changed files with 24 additions and 4 deletions
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28
.local/bin/fetch
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@ -20,10 +20,30 @@ uptime="$(uptime -p | sed 's/up //')"
packages="$(pacman -Q | wc -l)"
shell="$(basename "$SHELL")"
wm="$(tail -n 1 "${HOME}/.xinitrc" | cut -d ' ' -f 2)"
memav="$(grep "MemAvailable" /proc/meminfo | cut -d ':' -f 2 | awk '{ print int($1 / 1024) }')"
memtot="$(grep "MemTotal" /proc/meminfo | cut -d ':' -f 2 | awk '{ print int($1 / 1024) }')"
memus="$(expr $memtot - $memav)"
# parse the '/proc/meminfo' file splitting on ':' and 'k'.
# the format of the file is 'key: 000kB' and an additional
# split is used on 'k' to filter out 'kB'.
while IFS=':k ' read -r key val _; do
case $key in
# MemUsed = MemTotal + Shmem - MemFree - Buffers - Cached - SReclaimable
MemTotal)
mem_used=$((mem_used + val))
mem_total=$val
;;
Shmem)
mem_used=$((mem_used + val))
;;
MemFree|Buffers|Cached|SReclaimable)
mem_used=$((mem_used - val))
;;
esac
done < /proc/meminfo
mem_used=$((mem_used / 1024))
mem_total=$((mem_total / 1024))
# set colors
if [ -x "$(command -v tput)" ]; then
@ -53,6 +73,6 @@ ${c0} /\\ \\ ${lc}SHELL: ${ic}${shell}
${c0} / \\ ${lc}WM: ${ic}${wm}
${c0} / ,, \\ ${lc}UPTIME: ${ic}${uptime}
${c0} / | | -\\ ${lc}PACKAGES: ${ic}${packages}
${c0} /_-'' ''-_\\ ${lc}MEMORY: ${ic}${memus}kB/${memtot}kB
${c0} /_-'' ''-_\\ ${lc}MEMORY: ${ic}${mem_used}MiB/${mem_total}MiB
EOF