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Replace entire line

Comment:

I need to replace an entire line which has a keyword export. before export there may be # or anything... for eg, #export hhhh export bbbb in file sam.sc i need to change that two lines to export hhhh #export bbbb Please someone help me...

Name: lankrypt0
Date: November 14, 2008 at 11:13:04 Pacific

Reply:

If you are looking to swap the # and non #, try this: sed -e "s/^export/:export/g" -e "s/#export/export/g" -e "s/:export/#export/g" < tfile

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Reply:

That's working... now i need to execute my .profile from script... i gae the command , but its not executing... could you help me in this...? this is the command i gave in the script... cd /home/user/ . ./.profile

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