CLI Magic: Learn to talk awk
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User level: Advanced When it comes to slicing and dicing text, few tools are as powerful, or as underutilized, as awk. The name "awk" was coined from the initials of its authors, Aho, Weinberger, and Kernighan -- yes, the same Kernighan of the famous Kernighan and Ritchie "C Programming Language" book. In the Linux world, every distribution includes the GNU version, gawk (/bin/awk is usually a symbolic link to /bin/gawk). The GNU version has a few more features than the original. Let's play with some of the core features common among POSIX-compliant awks.
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