On 10/19/2011 10:29 PM, Jesus arteche wrote:
Hey guys,
I want to create a script to change some words in some sonf files at
the start up of the system...do you know the command in bash for
search the word and replace it??
Thanks
You're looking for 'sed'. It's very powerful and exceptionally useful.
In it's roughest form you can do straight text substitution:
sed -i.bkp 's/foo/bar/g' file.name
That will replace all instances of foo with bar wherever they occur in
the file, and leave you with a filename.bkp backup copy of the unaltered
config (-i = in-place edit)
You can read about sed here: http://tldp.org/LDP/abs/html/x22860.html
If you're going to be spending time using Linux, I would strongly
recommend taking the time to learn sed, and specifically how to form
'Regular Expressions' (used text pattern matching). It may take a bit
of effort to get your head around it initially but the rewards are
significant in what it then allows you to do.
http://www.regular-expressions.info/
Paul
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