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Ok edidata to be more specific and clear cat x | sed 's/A/a/g' > x. Where x is say a file then the output in one case is empty i.e file x is now empty even the old content is gone. In another case x...

https://www.unix.com/customavatars/avatar302034745_1.gif (https://www.unix.com/members/302034745.html) joeyg (https://www.unix.com/members/302034745.html)

thanks for the...

Hi All!

I have a script having one statement like.

cat xfile | sed 's/A/a/g' > xfile

I have two boxes which have similar version of linux running but one is greater in speed...