61 lines
1.6 KiB
Bash
Executable file
61 lines
1.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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# setting the locale, some users have issues with different locales, this forces the correct one
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export LC_ALL=en_US.UTF-8
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# function for getting the refresh rate
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get_tmux_option() {
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local option=$1
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local default_value=$2
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local option_value=$(tmux show-option -gqv "$option")
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if [ -z $option_value ]; then
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echo $default_value
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else
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echo $option_value
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fi
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}
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# normalize the percentage string to always have a length of 5
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normalize_percent_len() {
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# the max length that the percent can reach, which happens for a two digit number with a decimal house: "99.9%"
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max_len=5
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percent_len=${#1}
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let diff_len=$max_len-$percent_len
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# if the diff_len is even, left will have 1 more space than right
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let left_spaces=($diff_len+1)/2
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let right_spaces=($diff_len)/2
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printf "%${left_spaces}s%s%${right_spaces}s\n" "" $1 ""
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}
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get_percent()
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{
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case $(uname -s) in
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Linux)
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percent=$(LC_NUMERIC=en_US.UTF-8 top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1"%"}')
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normalize_percent_len $percent
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;;
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Darwin)
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cpuvalue=$(ps -A -o %cpu | awk -F. '{s+=$1} END {print s}')
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cpucores=$(sysctl -n hw.logicalcpu)
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cpuusage=$(( cpuvalue / cpucores ))
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percent="$cpuusage%"
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normalize_percent_len $percent
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;;
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CYGWIN*|MINGW32*|MSYS*|MINGW*)
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# TODO - windows compatability
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;;
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esac
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}
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main()
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{
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# storing the refresh rate in the variable RATE, default is 5
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RATE=$(get_tmux_option "@dracula-refresh-rate" 5)
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cpu_percent=$(get_percent)
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echo "CPU $cpu_percent"
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sleep $RATE
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}
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# run main driver
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main
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