...find exit status of the "grep" command in the...

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Question by ashish
Submitted on 5/12/2004
Related FAQ: Unix - Frequently Asked Questions (1/7) [Frequent posting]
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how can i find exit status of the "grep" command in the following statement:-> echo `grep $username myfile \| cut -f 3`

Answer by ponkan
Submitted on 3/2/2006
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since getting the exit status via echo $? gives the status of the last command run, ensure that grep is the last command run by redirecting output to a file, check exit status, then run the cut command on the file. grep $username myfile > foo echo $? cut -f 3 foo alternatively, since the cut command might produce several pages of output, store the exit status in another variable. grep $username myfile > foo EXIT=$? cut -f 3 foo echo grep's exit status was $EXIT

Answer by arunkannan
Submitted on 10/18/2006
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I think, it is impossible to find status for grep command in the above mentioned command sequence statement....

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