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Unix SED command

  • By on October 28, 2008 | No Comments

    What is SED?

    – SED is a stream editor and it perform basic text transformations of an input stream (file or input from pipeline)

    – SED is capable to perform text pattern substituition and deletion using regular expression

    Example of SED editing command substituition: –

    UNIX> sed "s/bad/good/g" file.txt > new_file.txt

    s/REGEXP/REPLACEMENT/FLAGS – The s command will match the pattern of regular expression (REGEXP) and will replaced it with the REPLACEMENT string. The g command represent the flags “global” where it will perform the search and replace in the entire file.

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