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#!/bin/sh
# Example Bar Action Script for Linux.
# Requires: acpi, iostat.
# Tested on: Debian 10, Fedora 31.
#
print_date() {
# The date is printed to the status bar by default.
# To print the date through this script, set clock_enabled to 0
# in spectrwm.conf. Uncomment "print_date" below.
FORMAT="%a %b %d %R %Z %Y"
DATE=`date "+${FORMAT}"`
echo -n "${DATE} "
}
print_mem() {
MEM=`/usr/bin/free -m | grep ^Mem: | sed -E 's/ +/ /g' | cut -d ' ' -f4`
echo -n "Free mem: ${MEM}M "
}
_print_cpu() {
printf "CPU: %3d%%" $1
}
print_cpu() {
OUT=""
# Remove the decimal part from all the percentages.
while [ "${1}x" != "x" ]; do
OUT="$OUT `echo "${1}" | cut -d '.' -f1`"
shift;
done
_print_cpu $OUT
}
print_bat() {
AC_STATUS="$3"
BAT_STATUS="$6"
# Most battery statuses fit into a single word, except "Not charging"
# for which we need to have special handling.
if [ "$BAT_STATUS" = "Not" ]; then
BAT_STATUS="$BAT_STATUS $7"
shift
fi
BAT_LEVEL="`echo "$7" | tr -d ','`"
if [ "$AC_STATUS" != "" -o "$BAT_STATUS" != "" ]; then
if [ "$BAT_STATUS" = "Discharging," ]; then
echo -n " on battery ($BAT_LEVEL)"
else
case "$AC_STATUS" in
on-line)
AC_STRING="on AC: "
;;
*)
AC_STRING=""
;;
esac
case "$BAT_STATUS" in
"")
BAT_STRING="(no battery)"
;;
*harging,|Full,)
BAT_STRING="(battery $BAT_LEVEL)"
;;
*)
BAT_STRING="(battery unknown)"
;;
esac
FULL="${AC_STRING}${BAT_STRING}"
if [ "$FULL" != "" ]; then
echo -n "$FULL"
fi
fi
fi
}
# Cache the output of acpi(8), no need to call that every second.
ACPI_DATA=""
I=0
while :; do
IOSTAT_DATA=`/usr/bin/iostat -c | grep '[0-9]$'`
if [ $I -eq 0 ]; then
ACPI_DATA=`/usr/bin/acpi -a 2>/dev/null; /usr/bin/acpi -b 2>/dev/null`
fi
# print_date
print_mem
print_cpu $IOSTAT_DATA
print_cpuspeed
print_bat $ACPI_DATA
echo ""
I=$(( ( ${I} + 1 ) % 11 ))
sleep 1
done
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