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Showing posts from August 25, 2011

Replacing a string recurcively in all files of a folder in Linux

Today I have come to a situation in which I have to search for a particular string in a Directory/Directories recurcively and if found, then have to replace with other string.                   So here is simple one line command using for loop or you can also make a good script using the below command. Go to directory where you have to search the particular and fire below command. # for file in $(grep -rli *string to search* *);               do             sed -i 's/*string to search* /*String to be replaced */g' $file;    done Note : * at end of grep is compulsory, but don't put with string you want to search. eg if you want search linux then write linux not *linux*. The * at end of grep command is astrerisk for searching all files. Where, Option with grep do ...