X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/dd7b25c911e759b70905a623eacd5b6fdf3e630b..42915204e00cf23697a491b8a998f9ccbf8cc349:/test/common.sh.in?ds=inline

diff --git a/test/common.sh.in b/test/common.sh.in
index 94b41906..6c9652ce 100644
--- a/test/common.sh.in
+++ b/test/common.sh.in
@@ -126,17 +126,16 @@ check_for_hard_links () {
   set -e
 }
 
-#### Filter that squeezes blank lines, emulating GNU cat -s.
+#### Filter that squeezes blank lines, partially emulating GNU cat -s,
+#### but sufficient for our purpose.
+#### From http://www-rohan.sdsu.edu/doc/sed.html, compiled by Eric Pement.
 squeeze_lines() {
-  awk 'length($0) == 0 && e == 1 { next }
-          { e = length($0) == 0 }
-          { print }'
+  sed '/^$/N;/\n$/D'
 }
 
-#### Filter that inserts initial whitespace and converts non-breakable
-#### space U+00A0 to an ASCII space.
+#### Filter that converts non-breakable space U+00A0 to an ASCII space.
 prepare_space() {
-  sed 's/^/ /; s/'"`printf '\\302\\240'`"'/ /g'
+  sed 's/'"`printf '\\302\\240'`"'/ /g'
 }
 
 #### check() requires two arguments, each the name of a file to be