?
Solved

csh shell script - test the grep command has been sucessfully match pattern.

Posted on 2008-10-04
2
Medium Priority
?
3,339 Views
Last Modified: 2013-12-26
I don't know how to test the variable y whether or not containing something. Please see code below.
#!/bin/csh 
set x = 123
set y = `echo $x | grep -E "[6-9]+"`
if $y has something   //my question is here... don't know how to test it
    echo Pattern found
else
    echo Pattern not found
endif

Open in new window

0
Comment
Question by:chiachia
2 Comments
 
LVL 85

Accepted Solution

by:
ozo earned 1000 total points
ID: 22642385
if( "$y" != '' )then
   echo Pattern found
else
    echo Pattern not found
endif
0
 

Author Closing Comment

by:chiachia
ID: 31503099
Thank you very much!
0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

The following is a collection of cases for strange behaviour when using advanced techniques in DOS batch files. You should have some basic experience in batch "programming", as I'm assuming some knowledge and not further explain the basics. For some…
How to remove superseded packages in windows w60 or w61 installation media (.wim) or online system to prevent unnecessary space. w60 means Windows Vista or Windows Server 2008. w61 means Windows 7 or Windows Server 2008 R2. There are various …
Learn several ways to interact with files and get file information from the bash shell. ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…
In a recent question (https://www.experts-exchange.com/questions/29004105/Run-AutoHotkey-script-directly-from-Notepad.html) here at Experts Exchange, a member asked how to run an AutoHotkey script (.AHK) directly from Notepad++ (aka NPP). This video…

569 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question