Hi.
From the OSX man page for SED:
Code:
-i extension
Edit files in-place, saving backups with the specified extension.
So, for example:
Code:
sed -i.bak 's/ /_/g' somefile
(I guess that the extension is optional on Linux, but may be provided (will check!))
(actually, without checking too much, according to the man page here, it is optional)
(actually #2, the OSX man page is rubbish! It suggests that it is optional, but complains when it's not given)
Code:
-i extension
Edit files in-place, saving backups with the specified extension. If a zero-length extension is given,
no backup will be saved. It is not recommended to give a zero-length extension when in-place editing
files, as you risk corruption or partial content in situations where disk space is exhausted, etc.
Last edited by Scott; 06-07-2010 at 03:57 PM..
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