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April 2016, Week 5

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Subject:
Re: Unix, delete a line only if the first 30 characters are blank
From:
krikor Gullekian <[log in to unmask]>
Reply To:
krikor Gullekian <[log in to unmask]>
Date:
Fri, 29 Apr 2016 15:23:28 +0000
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How can I delete in an easy way a line if the first 30 characters are blank in unix. I use sed, "sed '/^$/d'" but this will delete only if the entire line is blank.
Thanks,Krikor

      

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