1 thought on “How to replace a string in multiple files in Linux command line”

1. 1) You can use the ‘replace’ utility that comes with MySQL.

   2) You can use the ‘sed’ utility as follows:

   # create a couple of test files
   $ for i in 1 2 3; do printf ‘file %d\n’ $i >f$i; done

   # show the contents
   $ cat f[123]
   file 1
   file 2
   file 3

   # change the files
   $ sed –expression=s/file/FILE/g –in-place f[123]

   # show the contents
   $ cat f[123]
   FILE 1
   FILE 2
   FILE 3

   # clean up
   $ rm f[123]

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