X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/eb99584832bca2d68aa9338148cd0479d2a7b445..c133e6ad3027e095811931f3e0d21b818865e0e8:/tools/mkdigraphs-vim

diff --git a/tools/mkdigraphs-vim b/tools/mkdigraphs-vim
index a94812f..b9ab426 100755
--- a/tools/mkdigraphs-vim
+++ b/tools/mkdigraphs-vim
@@ -1,13 +1,25 @@
 #!/bin/sh
 
-VERSION=1.00
+VERSION=1.01
+
+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 "+{";
 	} else { # body
-		say "q{$1} => $3," while /\G(\S\S) (.[^ ]*) +([0-9]+)\s+/g;
+		while (/\G(\S\S) (.[^ ]*) +([0-9]+)\s+/g) {
+			my ($mnem, $chr, $cp) = ($1, $2, $3);
+			$mnem =~ s/(?=[\\}])/\\/g;  # escape string delimiter
+			$chrstr = sprintf q("\x{%x}"), $cp;
+			say "q{$mnem} => $chrstr,";
+		}
 	} END { # foot
 		say "}";
 		exit warn "only $. lines of :digraphs output\n" if $. < 6;