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how can i store the o/p of Unix cmd to Shell ver.

Posted on 2000-04-29
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Last Modified: 2010-04-21
i want to store the Output of Cmd like
 " wc -c filename" in a Shell var...
 how can i do it..
thanx
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Question by:vmahendru
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Accepted Solution

by:
ravindra042100 earned 200 total points
ID: 2761792
Hello, try this ..

sys>cat ans
#!/usr/bin/ksh
ATT=`wc -l trialfile`
echo $ATT

This should work ...
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Author Comment

by:vmahendru
ID: 2761892
Adjusted points from 25 to 50
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Author Comment

by:vmahendru
ID: 2761893
it did not work out... first tell me
 can u please explain the steps .. i am not very good in UNIX...
   
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Expert Comment

by:ozo
ID: 2765280
What did not work when you tried it?
In which shell do you want to store a variable?
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Author Comment

by:vmahendru
ID: 2768267
hi ozo
   i have written a program in c and in this program made one system call for grep... i want to store the output of this grep Cmd in my C program... can u help me how can i do it..
  thanx
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LVL 85

Expert Comment

by:ozo
ID: 2770147
From C, you might call grep with popen insteead of system.
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Author Comment

by:vmahendru
ID: 2772055
thanx ozo,  i got the answer
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