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Diffstat (limited to 'doc/coreutils.texi')
| -rw-r--r-- | doc/coreutils.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 89e97d8bc..1abf45dbf 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -3411,6 +3411,19 @@ value as the directory for temporary files instead of @file{/tmp}. The @option{--temporary-directory} (@option{-T}) option in turn overrides the environment variable. +@vindex GNUSORT_COMPRESSOR +To improve performance when sorting very large files, GNU sort will, +by default, try to compress temporary files with the program +@file{gzip}. The environment variable @env{GNUSORT_COMPRESSOR} can be +set to the name of another program to be used. The program specified +must compress standard input to standard output when no arguments are +given to it, and it must decompress standard input to standard output +when the @option{-d} argument is given to it. If the program exits +with nonzero status, sort will terminate with an error. To disable +compression of temporary files, set the variable to the empty string. +Whitespace and the backslash character should not appear in the +program name. They are reserved for future use. + The following options affect the ordering of output lines. They may be specified globally or as part of a specific key field. If no key |