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Find and replace on the GNU-Linux command line

Submitted by Benjamin Melançon on September 2, 2007 - 12:23am
in

Find and replace on the GNU/Linux command line

Chris Fernandez:

use SED for finding replacing the syntax is:
sed s/oldword/newword/g nameoldfile > newfile
or interative do to it on the same flye(warning)
sed -i s/oldword/newword/ namefile(do it with out the -i first)

I also asked Agaric's newest sysadmin type how to copy and paste between files. Answer:

"The mouse."

Find and replace on the GNU/Linux command line

Chris Fernandez:

use SED for finding replacing the syntax is:
sed s/oldword/newword/g nameoldfile > newfile
or interative do to it on the same flye(warning)
sed -i s/oldword/newword/ namefile(do it with out the -i first)

I also asked Agaric's newest sysadmin type how to copy and paste between files. Answer:

"The mouse."

Comments

find and replace

Submitted by Jaswant Chauhan (not verified) on July 6, 2010 - 7:39am.

How we can use sed command to find a particular string and replace with new one

For eg:- we have file
a.txt
123
abc
1123
12333
i want to replace the content 123 only which is in first line...

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