toggle

#!/bin/zsh

# TODO: Add a single argument/flag for toggling the printouts off (and make printouts a simple function that checks that flag and, if it's true, early returns)

NAME="toggle"
VERSION="0.0.1"

ERR_MSG_ARGUMENT_MISSING="[$NAME][ERROR] Missing program name!\n"
MSG_KILLING_PROGRAM="[$NAME] Program '$1' will be closed.\n"
MSG_RUNNING_PROGRAM="[$NAME] Program '$1' will be run.\n"
PROGRAM_ID=$(pgrep $1 2>/dev/null)

[[ -z "$1" ]] && { printf "$ERR_MSG_ARGUMENT_MISSING" && exit 1 }

if [[ -n "$PROGRAM_ID" ]]; then
	printf "$MSG_KILLING_PROGRAM"
	kill $PROGRAM_ID
	exit 0
fi

printf "$MSG_RUNNING_PROGRAM"
$@