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Diffstat (limited to 'awk.html.markdown')
-rw-r--r-- | awk.html.markdown | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/awk.html.markdown b/awk.html.markdown index 3d2c4ccb..3ff3f937 100644 --- a/awk.html.markdown +++ b/awk.html.markdown @@ -1,5 +1,6 @@ --- -language: awk +category: tool +tool: awk filename: learnawk.awk contributors: - ["Marshall Mason", "http://github.com/marshallmason"] @@ -10,7 +11,7 @@ AWK is a standard tool on every POSIX-compliant UNIX system. It's like flex/lex, from the command-line, perfect for text-processing tasks and other scripting needs. It has a C-like syntax, but without mandatory semicolons (although, you should use them anyway, because they are required -when you're writing one-liners, something AWK excells at), manual memory +when you're writing one-liners, something AWK excels at), manual memory management, or static typing. It excels at text processing. You can call to it from a shell script, or you can use it as a stand-alone scripting language. @@ -32,7 +33,7 @@ pattern2 { action; } # There is an implied loop and AWK automatically reads and parses each # record of each file supplied. Each record is split by the FS delimiter, # which defaults to white-space (multiple spaces,tabs count as one) -# You cann assign FS either on the command line (-F C) or in your BEGIN +# You can assign FS either on the command line (-F C) or in your BEGIN # pattern # One of the special patterns is BEGIN. The BEGIN pattern is true @@ -238,7 +239,7 @@ function io_functions( localvar) { # handle for you when you use something that needs one. The string you used # for this can be treated as a file handle, for purposes of I/O. This makes # it feel sort of like shell scripting, but to get the same output, the string - # must match exactly, so use a vaiable: + # must match exactly, so use a variable: outfile = "/tmp/foobar.txt"; @@ -381,3 +382,5 @@ Further Reading: * [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. * [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). +* [basic libraries for awk](https://github.com/dubiousjim/awkenough) |