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authorDaniel Friesel <derf@finalrewind.org>2011-06-29 03:01:33 +0200
committerDaniel Friesel <derf@finalrewind.org>2011-06-29 03:01:33 +0200
commit329134383358e3a64a342cf02efe505a8f9b9425 (patch)
tree334d6b73b3f5ab3195589956f602e2250003302d /bin/efa
parentafe352aaf71ebf3abb266e2268c3717c87de4773 (diff)
efa: Show help upon Getopt::Long error as well
Diffstat (limited to 'bin/efa')
-rwxr-xr-xbin/efa14
1 files changed, 8 insertions, 6 deletions
diff --git a/bin/efa b/bin/efa
index 9ac12ff..40c2ef1 100755
--- a/bin/efa
+++ b/bin/efa
@@ -15,22 +15,24 @@ my $ignore_info = 'Fahrradmitnahme';
my $efa;
my ( @from, @to, @via, $from_type, $to_type, $via_type );
my $opt = {
- 'help' => \&show_help,
- ,
+ 'help' => sub { show_help(0) },
'ignore-info' => \$ignore_info,
'from' => \@from,
'to' => \@to,
- 'version' => sub { say "efa version $VERSION"; exit 0 },
- 'via' => \@via,
+ 'version' => sub { say "efa version $VERSION"; exit 0 },
+ 'via' => \@via,
};
binmode( STDOUT, ':encoding(utf-8)' );
binmode( STDERR, ':encoding(utf-8)' );
sub show_help {
+ my ($exit_status) = @_;
+
say 'Usage: efa [options] <from-city> <from-stop> <to-city> <to-stop>';
say 'See also: man efa';
- exit 0;
+
+ exit $exit_status;
}
sub handle_efa_exception {
@@ -122,7 +124,7 @@ GetOptions(
via=s@{2}
walk-speed|w=s
},
-) or die("Please see perldoc -F $0\n");
+) or show_help(1);
#>>>
if ( not( @from and @to ) ) {
if ( @ARGV == 4 ) {