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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 414626dc5..0d252fcda 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -8140,6 +8140,17 @@ Change lowercase letters to uppercase. The @samp{lcase} and @samp{ucase} conversions are mutually exclusive. +@item sparse +@opindex sparse +Try to seek rather than write @sc{nul} output blocks. +On a file system that supports sparse files, this will create +sparse output when extending the output file. +Be careful when using this option in conjunction with +@samp{conv=notrunc} or @samp{oflag=append}. +With @samp{conv=notrunc}, existing data in the output +corresponding to @sc{nul} blocks from the input, will be untouched. +With @samp{oflag=append} the seeks performed will be ineffective. + @item swab @opindex swab @r{(byte-swapping)} @cindex byte-swapping |