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Diffstat (limited to 'doc/coreutils.texi')
| -rw-r--r-- | doc/coreutils.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 334d932de..a804adb5b 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -4258,6 +4258,17 @@ by the sort operation. @c @end example @item +Use the common @acronym{DSU, Decorate Sort Undecorate} idiom to +sort lines according to their length. + +@example +awk '@{print length, $0@}' /etc/passwd | sort -n | cut -f2- -d' ' +@end example + +In general this technique can be used to sort data that the @command{sort} +command does not support, or is inefficient at, sorting directly. + +@item Shuffle a list of directories, but preserve the order of files within each directory. For instance, one could use this to generate a music playlist in which albums are shuffled but the songs of each album are |