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This repository was archived by the owner on Jun 5, 2024. It is now read-only.
Copy file name to clipboardExpand all lines: gnu_awk.md
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@@ -77,6 +77,7 @@ DESCRIPTION
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* familiarity with regular expressions
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* if not, check out **ERE** portion of [GNU sed regular expressions](./gnu_sed.md#regular-expressions) which is close enough to features available in `gawk`
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* this tutorial is primarily focussed on short programs that are easily usable from command line, similar to using `grep`, `sed`, etc
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* this tutorial has also been [converted to an ebook](https://github.com/learnbyexample/learn_gnuawk) with additional descriptions, examples, a chapter on regular expressions, etc.
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* see [Gawk: Effective AWK Programming](https://www.gnu.org/software/gawk/manual/) manual for complete reference, has information on other `awk` versions as well as notes on POSIX standard
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<br>
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CSE 80
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$ # extract line matching Dept and minimum marks specified in list3
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$ awk 'NR==FNR{d[1ドル]; m[1ドル]=2ドル; next} 1ドル in d && 3ドル >= m[1ドル]' list3 marks.txt
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$ awk 'NR==FNR{d[1ドル]=2ドル; next} 1ドル in d && 3ドル >= d[1ドル]' list3 marks.txt
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ECE Joel 72
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EEE Moi 68
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CSE Surya 81
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* `man awk` and `info awk` for quick reference from command line
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* [gawk manual](https://www.gnu.org/software/gawk/manual/gawk.html#SEC_Contents) for complete reference, extensions and more
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* [awk FAQ](http://www.faqs.org/faqs/computer-lang/awk/faq/) - from 2002, but plenty of information, especially about all the various `awk` implementations
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* this tutorial has also been [converted to an ebook](https://github.com/learnbyexample/learn_gnuawk) with additional descriptions, examples, a chapter on regular expressions, etc.
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