diff options
Diffstat (limited to 'doc/coreutils.texi')
| -rw-r--r-- | doc/coreutils.texi | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index d2377f41b..457ecabb2 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -2992,8 +2992,8 @@ The program accepts the following options. Also see @ref{Common options}. Put @var{lines} lines of @var{input} into each output file. For compatibility @command{split} also supports an obsolete -option syntax @option{-@var{lines}}. New scripts should use @option{-l -@var{lines}} instead. +option syntax @option{-@var{lines}}. New scripts should use +@option{-l @var{lines}} instead. @item -b @var{size} @itemx --bytes=@var{size} @@ -3011,6 +3011,25 @@ possible without exceeding @var{size} bytes. Individual lines longer than @var{size} bytes are broken into multiple files. @var{size} has the same format as for the @option{--bytes} option. +@itemx --filter=@var{command} +@opindex --filter +With this option, rather than simply writing to each output file, +write through a pipe to the specified shell @var{command} for each output file. +@var{command} should use the $FILE environment variable, which is set +to a different output file name for each invocation of the command. +For example, imagine that you have a 1TiB compressed file +that, if uncompressed, would be too large to reside on disk, +yet you must split it into individually-compressed pieces +of a more manageable size. +To do that, you might run this command: + +@example +xz -dc BIG.xz | split -b200G --filter='xz > $FILE.xz' - big- +@end example + +Assuming a 10:1 compression ratio, that would create about fifty 20GiB files +with names @file{big-xaa.xz}, @file{big-xab.xz}, @file{big-xac.xz}, etc. + @item -n @var{chunks} @itemx --number=@var{chunks} @opindex -n |