Date Added: 25/10/2017

Linux Command sed

in Linux sed is used to find some words to replace with another in one file or files in folders(recursive)

Example 1
below is recursive example: find "wordA" replace with wordB all files with extention ".php" in current folder
find . -type f -name "*.php" -exec sed -i '' 's/wordA/wordB/g' {} +

Example 2
below code find "wordA" replace with wordB files has a specific extension
sed -i -- 's/wordA/wordB/g' *product*  ## all files whose name contains product
sed -i -- 's/wordA/wordB/g' *.php  ## php files ending in .php

Example 3 Using regular expression

Replace wordA with wordB only if there is a "DDD" after on the same line:

sed -i 's/wordA\(.*DDD\)/wordB\1/' file


Example 4 Multiple replacement with different word pairs

sed -i 's/wordA/wordB/g; s/wordC/wordD/g; s/Muslum/William/g' file

Replace any of wordA, wordB or wordC with worldW
sed -Ei 's/wordA|wordB|wordC/worldW/g' file

Last Update: Posted by: müslüm ÇEN

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