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authorJim Meyering <meyering@redhat.com>2008-04-06 22:10:18 +0200
committerJim Meyering <meyering@redhat.com>2008-04-06 22:10:18 +0200
commit8b3ec1901927d6867e71bb49b953171c79a4e461 (patch)
tree5133b8dcffc5fe5c7887499bbf9d96c619716a13
parent383b1e3b5cd619ac1fe72c89f75ac1aaef704aaa (diff)
downloadcoreutils-8b3ec1901927d6867e71bb49b953171c79a4e461.tar.xz
doc: factor out --files0-from duplication
* coreutils.texi (wc invocation) [files0fromOption]: New macro. Use it. (du invocation): Use it here, too.
-rw-r--r--doc/coreutils.texi38
1 files changed, 14 insertions, 24 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index ee7dbb290..5a6f2c3ed 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -3074,29 +3074,32 @@ Print only the newline counts.
@opindex --max-line-length
Print only the maximum line lengths.
+@macro files0fromOption{cmd,withTotalOption}
@itemx --files0-from=@var{FILE}
@opindex --files0-from=@var{FILE}
-@cindex including files from @command{du}
+@cindex including files from @command{\cmd\}
Rather than processing files named on the command line, process those
named in file @var{FILE}; each name is terminated by a null byte.
-This is useful when
-the list of file names is so long that it may exceed a command line
+This is useful \withTotalOption\
+when the list of file names is so long that it may exceed a command line
length limitation.
-In such cases, running @command{wc} via @command{xargs} is undesirable
-because it splits the list into pieces and makes @command{wc} print a
+In such cases, running @command{\cmd\} via @command{xargs} is undesirable
+because it splits the list into pieces and makes @command{\cmd\} print a
total for each sublist rather than for the entire list.
One way to produce a list of null-byte-terminated file names is with @sc{gnu}
-@command{find}, using its @option{-print0} predicate. For example, to find
-the length of the longest line in any @file{.c} or @file{.h} file in the
-current hierarchy, do this:
+@command{find}, using its @option{-print0} predicate.
+Do not specify any @var{FILE} on the command line when using this option.
+@end macro
+@files0fromOption{wc,}
+
+For example, to find the length of the longest line in any @file{.c} or
+@file{.h} file in the current hierarchy, do this:
@example
find . -name '*.[ch]' -print0 |
wc -L --files0-from=- | tail -n1
@end example
-Do not specify any @var{FILE} on the command line when using this option.
-
@end table
@exitstatus
@@ -9754,20 +9757,7 @@ Does not affect other symbolic links. This is helpful for finding
out the disk usage of directories, such as @file{/usr/tmp}, which
are often symbolic links.
-@itemx --files0-from=@var{FILE}
-@opindex --files0-from=@var{FILE}
-@cindex including files from @command{du}
-Rather than processing files named on the command line, process those
-named in file @var{FILE}; each name is terminated by a null byte.
-This is useful with the @option{--total} (@option{-c}) option when
-the list of file names is so long that it may exceed a command line
-length limitation.
-In such cases, running @command{du} via @command{xargs} is undesirable
-because it splits the list into pieces and makes @command{du} print a
-total for each sublist rather than for the entire list.
-One way to produce a list of null-byte-terminated file names is with @sc{gnu}
-@command{find}, using its @option{-print0} predicate.
-Do not specify any @var{FILE} on the command line when using this option.
+@files0fromOption{du, with the @option{--total} (@option{-c}) option}
@optHumanReadable