From f410be7915aeaa2478c91c125723009812e57c1d Mon Sep 17 00:00:00 2001 From: Assaf Gordon Date: Wed, 13 May 2015 02:46:29 +0100 Subject: [PATCH] doc: clarify the operation of wc -L * src/wc.c (usage): State that it calculates display width. * doc/coreutils.texi (wc invocation): Detail the distinct items used to determine the display width. --- doc/coreutils.texi | 5 ++++- src/wc.c | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 51d96b4..6a69b75 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -3593,7 +3593,10 @@ Print only the newline counts. @itemx --max-line-length @opindex -L @opindex --max-line-length -Print only the maximum line lengths. +Print only the maximum display widths. +Tabs are set at every 8th column. +Display widths of wide characters are considered. +Non-printable characters are given 0 width. @macro filesZeroFromOption{cmd,withTotalOption,subListOutput} @item --files0-from=@var{file} diff --git a/src/wc.c b/src/wc.c index ae7ae95..eb7b5b6 100644 --- a/src/wc.c +++ b/src/wc.c @@ -134,7 +134,7 @@ the following order: newline, word, character, byte, maximum line length.\n\ --files0-from=F read input from the files specified by\n\ NUL-terminated names in file F;\n\ If F is - then read names from standard input\n\ - -L, --max-line-length print the length of the longest line\n\ + -L, --max-line-length print the maximum display width\n\ -w, --words print the word counts\n\ "), stdout); fputs (HELP_OPTION_DESCRIPTION, stdout); -- 2.3.4