functions
public text v1 · immutableis_installed() {
PROGRAM=$1
PATHNAME=$1
if [ -z "$PATHNAME" ]; then
echo "cannot locate $PROTRAM in path"
exit 1
fi
}
is_installed() {
PROGRAM=$1
PATHNAME=$1
if [ -z "$PATHNAME" ]; then
echo "cannot locate $PROTRAM in path"
exit 1
fi
}