How to replace a string in multiple files using sed in unix?

Question

There are some 10 files say file a, file b, file c,...file j. I have to search all these files and replace the string "xyz" with "abc". Most important this has to be done with a shell script using for loop and sed command.can somebody provide the solution here

possible duplicate of Awk/Sed: How to do a recursive find/replace of a string? — tripleee
– tripleee, Commented Apr 21, 2015 at 11:44

Matteo · Accepted Answer · 2015-04-21 11:38:11Z

9

Use sed

sed -i s/xyz/abc/g files

-i will edit the files in place
s/// will specify the substitution (read the manual for the details)
g will replace more than one occurrence per line

for example

sed -i s/xyz/abc/g a b c d e f g h i j

or for all the files in the directory

sed -i s/xyz/abc/g *

Why a loop?

answered Apr 21, 2015 at 11:38

Matteo

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