X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/71f5871eee199636350587c8be9596ccb8689d6f..5afa7fd2694585c96a2ce5e9b6803507f8cfe1b4:/tools/mkdigraphs-vim

diff --git a/tools/mkdigraphs-vim b/tools/mkdigraphs-vim
index a4bdfe8..c1dcbe4 100755
--- a/tools/mkdigraphs-vim
+++ b/tools/mkdigraphs-vim
@@ -1,10 +1,17 @@
 #!/bin/sh
 
-VERSION=1.01
+VERSION=1.02
+
+if [ "$#" -ne 0 ]
+then
+	echo "Usage: $0 >digraphs-vim.inc.pl"
+	echo 'Collect digraph data from vim, standard output as Perl hash.'
+	exit 64 # EX_USAGE
+fi
 
 vim -e -c'echo version' -cdigraphs -cq | perl -CSD -nE '
 	if ($. == 1) { # head
-		say "# digraphs list from vim version ", s/\s*\z//r;
+		say "# digraphs list from vim version ", m/(\d+)\s*\z/;
 		say "+{";
 	} else { # body
 		while (/\G(\S\S) (.[^ ]*) +([0-9]+)\s+/g) {