From: David Levine <levinedl@acm.org>
Date: Sun, 8 Dec 2013 16:56:35 +0000 (-0600)
Subject: That didn't work, so try this awk command from Robert Elz.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/dd7b25c911e759b70905a623eacd5b6fdf3e630b

That didn't work, so try this awk command from Robert Elz.
---

diff --git a/test/common.sh.in b/test/common.sh.in
index 49e1c48e..94b41906 100644
--- a/test/common.sh.in
+++ b/test/common.sh.in
@@ -128,7 +128,9 @@ check_for_hard_links () {
 
 #### Filter that squeezes blank lines, emulating GNU cat -s.
 squeeze_lines() {
-  awk '!length() && e {next} {e = !length()} 1'
+  awk 'length($0) == 0 && e == 1 { next }
+          { e = length($0) == 0 }
+          { print }'
 }
 
 #### Filter that inserts initial whitespace and converts non-breakable