From: W. Trevor King <wking@tremily.us>
Date: Sat, 21 Sep 2013 17:31:14 +0000 (-0700)
Subject: monfold.sh: Use $(...) instead of `...` for command substitution
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=df4680e756be9a6aa046f1c49bedcbda2a9122f5;p=blog.git

monfold.sh: Use $(...) instead of `...` for command substitution

It's nestable [1], and it just looks nicer.

[1]: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_03
---

diff --git a/posts/inotify/monfold.sh b/posts/inotify/monfold.sh
index 14ba57e..7c92706 100755
--- a/posts/inotify/monfold.sh
+++ b/posts/inotify/monfold.sh
@@ -57,9 +57,9 @@ EOF
 LASTFILE=""
 # Multiple close events for the same file as data is written in blocks
 while read LINE; do
-	DIR=`echo "$LINE" | awk '{print  $1}'` # has trailing slash
-	EVENT=`echo "$LINE" | awk '{print  $2}'`
-	FILE=`echo "$LINE" | awk '{print  $3}'`
+	DIR=$(echo "$LINE" | awk '{print  $1}')  # has trailing slash
+	EVENT=$(echo "$LINE" | awk '{print  $2}')
+	FILE=$(echo "$LINE" | awk '{print  $3}')
 	if [ "$EVENT" != "CLOSE_WRITE,CLOSE" ]; then
 		echo "Error (unexpected event '$EVENT'):"
 		echo "$LINE"