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What is the difference between AWK and SED commands? Plz
give example and explain...
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Answer Posted / chets
SED (which stands for Stream EDitor) is a simple but
powerful computer program used to apply various
pre-specified textual transformations to a sequential stream
of text data.
It reads input files line by line, edits each line according
to rules specified in its simple language (the sed script),
and then outputs the line.
AWK is a complete pattern scanning and processing language,
it is most commonly used as a Unix command-line filter to
reformat the output of other commands.
For example, to print only the second and sixth fields of
the date command (the month and year) with a space
separating them, at the Unix prompt, you would enter:
date | awk ‘{print $2 ” ” $6}’
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