#!/usr/bin/env bash config_file="/etc/gdm/custom.conf" if [[ ! -f "$config_file" || ! -r "$config_file" ]]; then exit 0 fi value="Enable" if grep -Eq "^\s*$value\s*=\s*true\s*$" "$config_file"; then echo -e " \"$value\" in $config_file is true" exit 1 else echo -e "\"$value\" not found or not set " fi exit 0