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rm overly long lines, consider markdownlint
Lines longer than 80 characters are edited. Within reason, issues identified by markdownlint[1] are equally curated. [1] https://github.com/markdownlint/markdownlint, version 0.12.0
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@ -123,7 +123,7 @@ BEGIN {
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n = split("foo:bar:baz", arr, ":");
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# You also have associative arrays (actually, they're all associative arrays)
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# You also have associative arrays (indeed, they're all associative arrays)
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assoc["foo"] = "bar";
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assoc["bar"] = "baz";
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@ -216,7 +216,8 @@ function string_functions( localvar, arr) {
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match(localvar, "t"); # => 4, since the 't' is the fourth character
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# Split on a delimiter
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n = split("foo-bar-baz", arr, "-"); # a[1] = "foo"; a[2] = "bar"; a[3] = "baz"; n = 3
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n = split("foo-bar-baz", arr, "-");
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# result: a[1] = "foo"; a[2] = "bar"; a[3] = "baz"; n = 3
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# Other useful stuff
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sprintf("%s %d %d %d", "Testing", 1, 2, 3); # => "Testing 1 2 3"
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@ -238,8 +239,8 @@ function io_functions( localvar) {
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# AWK doesn't have file handles, per se. It will automatically open a file
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# handle for you when you use something that needs one. The string you used
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# for this can be treated as a file handle, for purposes of I/O. This makes
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# it feel sort of like shell scripting, but to get the same output, the string
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# must match exactly, so use a variable:
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# it feel sort of like shell scripting, but to get the same output, the
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# string must match exactly, so use a variable:
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outfile = "/tmp/foobar.txt";
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@ -376,11 +377,15 @@ END {
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}
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```
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Further Reading:
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* [Awk tutorial](http://www.grymoire.com/Unix/Awk.html)
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* [Awk man page](https://linux.die.net/man/1/awk)
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* [The GNU Awk User's Guide](https://www.gnu.org/software/gawk/manual/gawk.html) GNU Awk is found on most Linux systems.
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* [The GNU Awk User's Guide](https://www.gnu.org/software/gawk/manual/gawk.html)
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GNU Awk is found on most Linux systems.
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* [AWK one-liner collection](http://tuxgraphics.org/~guido/scripts/awk-one-liner.html)
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* [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).
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* [Awk alpinelinux wiki](https://wiki.alpinelinux.org/wiki/Awk) a technical
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summary and list of "gotchas" (places where different implementations may
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behave in different or unexpected ways).
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* [basic libraries for awk](https://github.com/dubiousjim/awkenough)
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