tmux-kanagawa/scripts/ram_info.sh

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#!/usr/bin/env bash
# setting the locale, some users have issues with different locales, this forces the correct one
export LC_ALL=en_US.UTF-8
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# function for getting the refresh rate
get_tmux_option() {
local option=$1
local default_value=$2
local option_value=$(tmux show-option -gqv "$option")
if [ -z $option_value ]; then
echo $default_value
else
echo $option_value
fi
}
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get_percent()
{
case $(uname -s) in
Linux)
# percent=$(free -m | awk 'NR==2{printf "%.1f%%\n", $3*100/$2}')
total_mem_gb=$(free -g | awk '/^Mem/ {print $2}')
used_mem=$(free -g | awk '/^Mem/ {print $3}')
total_mem=$(free -h | awk '/^Mem/ {print $2}')
if (( $total_mem_gb == 0)); then
memory_usage=$(free -m | awk '/^Mem/ {print $3}')
total_mem_mb=$(free -m | awk '/^Mem/ {print $2}')
echo $memory_usage\M\B/$total_mem_mb\M\B
elif (( $used_mem == 0 )); then
memory_usage=$(free -m | awk '/^Mem/ {print $3}')
echo $memory_usage\M\B/$total_mem_gb\G\B
else
memory_usage=$(free -g | awk '/^Mem/ {print $3}')
echo $memory_usage\G\B/$total_mem_gb\G\B
fi
;;
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Darwin)
# percent=$(ps -A -o %mem | awk '{mem += $1} END {print mem}')
# Get used memory blocks with vm_stat, multiply by 4096 to get size in bytes, then convert to MiB
used_mem=$(vm_stat | grep ' active\|wired ' | sed 's/[^0-9]//g' | paste -sd ' ' - | awk '{printf "%d\n", ($1+$2) * 4096 / 1048576}')
total_mem=$(system_profiler SPHardwareDataType | grep "Memory:" | awk '{print $2 $3}')
if (( $used_mem < 1024 )); then
echo $used_mem\M\B/$total_mem
else
memory=$(($used_mem/1024))
echo $memory\G\B/$total_mem
fi
;;
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FreeBSD)
# Looked at the code from neofetch
hw_pagesize="$(sysctl -n hw.pagesize)"
mem_inactive="$(($(sysctl -n vm.stats.vm.v_inactive_count) * hw_pagesize))"
mem_unused="$(($(sysctl -n vm.stats.vm.v_free_count) * hw_pagesize))"
mem_cache="$(($(sysctl -n vm.stats.vm.v_cache_count) * hw_pagesize))"
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free_mem=$(((mem_inactive + mem_unused + mem_cache) / 1024 / 1024))
total_mem=$(($(sysctl -n hw.physmem) / 1024 / 1024))
used_mem=$((total_mem - free_mem))
echo $used_mem
if (( $used_mem < 1024 )); then
echo $used_mem\M\B/$total_mem
else
memory=$(($used_mem/1024))
echo $memory\G\B/$total_mem
fi
;;
CYGWIN*|MINGW32*|MSYS*|MINGW*)
# TODO - windows compatability
;;
esac
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}
main()
{
# storing the refresh rate in the variable RATE, default is 5
RATE=$(get_tmux_option "@dracula-refresh-rate" 5)
ram_label=$(get_tmux_option "@dracula-ram-usage-label" "RAM")
ram_percent=$(get_percent)
echo "$ram_label $ram_percent"
sleep $RATE
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}
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#run main driver
main