Evaluate expression inside another evaluation - bash script
Feb 06, 2009, 18:49 (1 Talkback[s])
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"Lets discuss an example to see the good use of $( ) in bash
shell.
"#Suppose 'offsetno' variable is set to 9 $ offsetno=9
"#Number of *.sh files under my directory (/tmp/mydir) is 29
"$ ls /tmp/mydir/*.sh | wc -l
"29"
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