replace a particular text in all the files using single line shell command

Posted by developer on Stack Overflow See other posts from Stack Overflow or by developer
Published on 2010-03-26T11:00:12Z Indexed on 2010/03/26 11:03 UTC
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Filed under:

shell

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shell-scripting

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shellexecute

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php

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JavaScript

i have a renamed js file which i have to call in each of my php page. Now i want to replace that old name with the new one using shell. what iam using is this :-

sed -i ’s/old/new/g’ *

but this is giving the following error :-

sed: -e expression #1, char 1: unknown command:

now how can i do this replacement??

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