Unix news is nothing but Opensourse - this site features general information about Linux - Unix - Python and Perl programming language. Lately i am adding more posts about Data and Data analytics in general.
Thursday, November 15, 2007
Awk - a tutorial and introduction
Why is AWK so important? It is an excellent filter and report writer. Many UNIX utilities generates rows and columns of information. AWK is an excellent tool for processing these rows and columns, and is easier to use AWK than most conventional programming languages. It can be considered to be a pseudo-C interpretor, as it understands the same arithmatic operators as C. AWK also has string manipulation functions, so it can search for particular strings and modify the output. AWK also has associative arrays, which are incredible useful, and is a feature most computing languages lack. Associative arrays can make a complex problem a trivial exercise.read more...
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