add awk "gotchas" alpine wiki link

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dubiouscript 2019-04-23 11:31:13 +00:00 committed by GitHub
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@ -382,3 +382,4 @@ Further Reading:
* [Awk man page](https://linux.die.net/man/1/awk) * [Awk man page](https://linux.die.net/man/1/awk)
* [The GNU Awk User's Guide](https://www.gnu.org/software/gawk/manual/gawk.html) GNU Awk is found on most Linux systems. * [The GNU Awk User's Guide](https://www.gnu.org/software/gawk/manual/gawk.html) GNU Awk is found on most Linux systems.
* [AWK one-liner collection](http://tuxgraphics.org/~guido/scripts/awk-one-liner.html) * [AWK one-liner collection](http://tuxgraphics.org/~guido/scripts/awk-one-liner.html)
* [Awk alpinelinux wiki](https://wiki.alpinelinux.org/wiki/Awk) a technical summary and list of "gotchas" (places where different implementations may behave in different or unexpected ways).