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32 lines
1.5 KiB
Plaintext
32 lines
1.5 KiB
Plaintext
# sort
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# Sort lines of text files
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# Return the contents of the British English dictionary, in reverse order.
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sort -r /usr/share/dict/british-english
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# The GNU sort(1) command can also filter out adjacent duplicate lines and can
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# therefore overlap with the uniq(1) command. However, uniq(1) has some options
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# that sort(1) cannot do so refer to the man page for you situation if you
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# require something beyond a basic uniqueness check. In addition, there is the
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# potential for parallizing the processing by piping sort(1) into uniq(1) for
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# non trivial tasks.
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#
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# By default, sort(1) sorts lines or fields using the ASCII table. Here, we're
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# essentially getting alphanumeric sorting, where case is handled separately; -
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# this results in these words being adjacent to one another, thus duplicates
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# are removed.
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#
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# If you need better uniq-ing, you could refer to AWK & its associative arrays.
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printf '%s\n' this is a list of of random words with duplicate words | sort -u
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# Sort numerically. If you don't provide the `-n` flag, sort(1) will instead
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# sort by the ASCII table, as mentioned above, meaning it'll display as 1, 10, -
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# 11, 2, 3, 4, etc.
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printf '%d\n' {1..9} 10 11 | sort -n
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# You can even sort human-readable sizes. In this example, the 2nd column is
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# being sorted, thanks to the use of the `-k` flag, and the sorting is
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# reversed, so that the top-most storage space hungry filesystems are displayed
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# from df(1).
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df -ht ext4 /dev/sd[a-z][1-9]* | sed '1d' | sort -rhk 2
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