draw mascot cat in usage message

[barcat.git] / barcat

diff --git a/barcat b/barcat
index ab5c023398e94300363dfd1a23d991782b8d91e0..da09547a389a6966d4caf2df43fb9c5c65638a3a 100755 (executable)
--- a/barcat
+++ b/barcat
@@ -8,8 +8,10 @@ use re '/msx';
 
 our $VERSION = '1.07';
 
-use Getopt::Long '2.33', qw( :config gnu_getopt );
 my %opt;
+if (@ARGV) {
+require Getopt::Long;
+Getopt::Long->import('2.33', qw( :config gnu_getopt ));
 GetOptions(\%opt,
        'ascii|a!',
        'color|c!',
@@ -92,6 +94,7 @@ GetOptions(\%opt,
                );
        },
 ) or exit 64;  # EX_USAGE
+}
 
 $opt{width} ||= $ENV{COLUMNS} || qx(tput cols) || 80 unless $opt{spark};
 $opt{color} //= -t *STDOUT;  # enable on tty
@@ -349,9 +352,9 @@ sub show_exit {
 show_exit();
 
 __END__
-Usage:
-  barcat [OPTIONS] [FILES|NUMBERS]
-
+Usage:                                               /\_/\
+  barcat [OPTIONS] [FILES|NUMBERS]                  (=•.•=)
+                                                    (u   u)
 Options:
   -a, --[no-]ascii         Restrict user interface to ASCII characters
   -c, --[no-]color         Force colored output of values and bar markers
@@ -648,16 +651,16 @@ Or the top 3 most frequent authors with statistics over all:
 
     git shortlog -sn | barcat -L3 -s
 
-Sparkline graphics of simple input given as inline parameters:
-
-       barcat --spark= 3 1 4 1 5 0 9 2 4
-
 Activity graph of the last days (substitute date C<-v-{}d> on BSD):
 
     ( git log --pretty=%ci --since=30day | cut -b-10
       seq 0 30 | xargs -i date +%F -d-{}day ) |
     sort | uniq -c | awk '$1--' | barcat --spark
 
+Sparkline graphics of simple input given as inline parameters:
+
+       barcat --spark= 3 1 4 1 5 0 9 2 4
+
 =head1 AUTHOR
 
 Mischa POSLAWSKY <perl@shiar.org>