diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/coreutils.texi | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 1abf45dbf..ff049bcf7 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -3342,12 +3342,26 @@ mode: @item -c @itemx --check +@itemx --check=diagnose-first @opindex -c @opindex --check @cindex checking for sortedness -Check whether the given files are already sorted: if they are not all -sorted, print an error message and exit with a status of 1. +Check whether the given file is already sorted: if it is not all +sorted, print a diagnostic containing the first out-of-order line and +exit with a status of 1. Otherwise, exit successfully. +At most one input file can be given. + +@item -C +@itemx --check=quiet +@itemx --check=silent +@opindex -c +@opindex --check +@cindex checking for sortedness +Exit successfully if the given file is already sorted, and +exit with status 1 otherwise. +At most one input file can be given. +This is like @option{-c}, except it does not print a diagnostic. @item -m @itemx --merge @@ -3401,7 +3415,7 @@ Exit status: @display 0 if no error occurred -1 if invoked with @option{-c} and the input is not properly sorted +1 if invoked with @option{-c} or @option{-C} and the input is not sorted 2 if an error occurred @end display @@ -3716,7 +3730,7 @@ disks and controllers. @cindex uniquifying output Normally, output only the first of a sequence of lines that compare -equal. For the @option{--check} (@option{-c}) option, +equal. For the @option{--check} (@option{-c} or @option{-C}) option, check that no pair of consecutive lines compares equal. This option also disables the default last-resort comparison. |