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[gnu-emacs] / lib-src / vcdiff

diff --git a/lib-src/vcdiff b/lib-src/vcdiff
index 2dd48650d1e28debda3a67acce0ef2fab5105751..f5ab7645a812d29dd95a9a27b4f65ed457f43b78 100755 (executable)
--- a/lib-src/vcdiff
+++ b/lib-src/vcdiff
@@ -3,12 +3,15 @@
 # Enhanced sccs diff utility for use with vc mode.
 # This version is more compatible with rcsdiff(1).
 #
-#      $Id: vcdiff,v 1.2 1992/06/03 04:56:26 eric Exp $
+#      $Id: vcdiff,v 1.3 1993/08/25 08:18:56 eggert Exp eggert $
 #
 
 DIFF="diff"
-usage="$0: Usage: vcdiff [-r<sid1>] [-r<sid2>] [diffopts] sccsfile..."
+usage="$0: Usage: vcdiff [--brief] [-q] [-r<sid1>] [-r<sid2>] [diffopts] sccsfile..."
 
+PATH=$PATH:/usr/ccs/bin:/usr/sccs # common SCCS hangouts
+
+echo=
 sid1=-r sid2=
 
 for f
@@ -16,6 +19,10 @@ do
        case $f in
        -*)
                case $f in
+               --brief)
+                       DIFF=cmp;;
+               -q)
+                       echo=:;;
                -r?*)
                        case $sid1 in
                        -r)
@@ -71,7 +78,7 @@ do
                                workfile=$rev2
                        esac
                then
-                       echo $DIFF $options $sid1 $sid2 $workfile >&2
+                       $echo $DIFF $options $sid1 $sid2 $workfile >&2
                        $DIFF $options $rev1 $workfile
                        s=$?
                fi