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#!/usr/bin/env bash
fallback="$HOME"
# taken from https://stackoverflow.com/questions/192249/how-do-i-parse-command-line-arguments-in-bash
! PARSED=$(getopt --options="h?f:" --longoptions="fallback:,help" --name "$0" -- "$@")
if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
# e.g. return value is 1
# then getopt has complained about wrong arguments to stdout
exit 2
fi
# helptext
usage="$(basename $0) [-h] [-f=/fallback/directory]
Get Current Working Directory for program under cursor in sway.
Options:
-h, --help Print this help text
-f, --fallback Set directory to print when error occured (defaults to $HOME)"
# parse args
eval set -- "$PARSED"
while true; do
case "$1" in
-f|--fallback)
fallback="$2"
shift 2
;;
-h|--help)
echo "$usage"
exit 0
;;
--)
break
;;
*)
echo "argparse error"
exit 1
;;
esac
done
# get parent pid of program under cursor
pid=$(swaymsg -t get_tree | jq '.. | select(.type?) | select(.type=="con") | select(.focused==true).pid')
ppid=$(pgrep --newest --parent ${pid})
# get cwd from proc dir
location=$(readlink /proc/${ppid}/cwd)
if [ "$?" -ne 0 ]; then
# just print out fallback dir on error
echo $fallback
exit 0
fi
# find out if the path points to /proc dir
# use fallback in that case
echo $location | grep -q /proc && echo $fallback || echo $location
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