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sed search and replace string
sed search and replace string

How do you find and replace using SED? How do you replace a string in Unix without opening the file?

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sed search and replace string
How do you find and replace using SED?

The s command (as in substitute) is probably the most important in sed and has a ... against the supplied regular expression regexp if the match is successful, ... normal behavior) the empty string after a newline, and the empty string before a ...