pod2usage(-verbose => 2, -exitcode => 0) if $help;
+# Check for missing executables
+my @binaries = qw(
+ ../i3
+ ../i3bar/i3bar
+ ../i3-config-wizard/i3-config-wizard
+ ../i3-dump-log/i3-dump-log
+ ../i3-input/i3-input
+ ../i3-msg/i3-msg
+ ../i3-nagbar/i3-nagbar
+ );
+
+foreach my $binary (@binaries) {
+ die "$binary executable not found" unless -e $binary;
+ die "$binary is not an executable" unless -x $binary;
+}
+
@displays = split(/,/, join(',', @displays));
@displays = map { s/ //g; $_ } @displays;