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Complete Sed Command Guide [Explained with Practical Examples]

When processing data, Sed reads one line of input at a time and stores it into the so-called pattern space. All Sed’s transformations apply to the pattern space. Transformations are described by one-letter commands provided on the command line or in an external Sed script file. Most Sed commands can be preceded by an address, or an address range, to limit their scope.

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