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Diffstat (limited to 'doc/coreutils.texi')
| -rw-r--r-- | doc/coreutils.texi | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index a626b4563..3bedd73c7 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -4449,6 +4449,32 @@ status that does not depend on the result of the comparison. Upon normal completion @command{comm} produces an exit code of zero. If there is an error it exits with nonzero status. +@macro checkOrderOption{cmd} +If the @option{--check-order} option is given, unsorted inputs will +cause a fatal error message. If the option @option{--nocheck-order} +is given, unsorted inputs will never cause an error message. If +neither of these options is given, wrongly sorted inputs are diagnosed +only if an input file is found to contain unpairable lines. If an +input file is diagnosed as being unsorted, the @command{\cmd\} command +will exit with a nonzero status (and the output should not be used). + +Forcing @command{\cmd\} to process wrongly sorted input files +containing unpairable lines by specifying @option{--nocheck-order} is +not guaranteed to produce any particular output. The output will +probably not correspond with whatever you hoped it would be. +@end macro +@checkOrderOption{comm} + +@table @samp + +@item --check-order +Fail with an error message if either input file is wrongly ordered. + +@item --nocheck-order +Do not check that both input files are in sorted order. + +@end table + @node tsort invocation @section @command{tsort}: Topological sort @@ -5290,18 +5316,7 @@ c c1 c2 b b1 b2 @end example -If the @option{--check-order} option is given, unsorted inputs will -cause a fatal error message. If the option @option{--nocheck-order} -is given, unsorted inputs will never cause an error message. If -neither of these options is given, wrongly sorted inputs are diagnosed -only if an input file is found to contain unpairable lines. If an -input file is diagnosed as being unsorted, the @command{join} command -will exit with a nonzero status (and the output should not be used). - -Forcing @command{join} to process wrongly sorted input files -containing unpairable lines by specifying @option{--nocheck-order} is -not guaranteed to produce any particular output. The output will -probably not correspond with whatever you hoped it would be. +@checkOrderOption{join} The defaults are: @itemize |