From 777d5f0ba865ccc44651faf151d7311de0ddc4b6 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sun, 18 Feb 1996 17:58:01 +0000 Subject: [PATCH] (join): Describe new --ignore-case (-i) option. --- doc/textutils.texi | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/doc/textutils.texi b/doc/textutils.texi index ecc09b8748..8cc827f623 100644 --- a/doc/textutils.texi +++ b/doc/textutils.texi @@ -2204,7 +2204,9 @@ Either @var{file1} or @var{file2} (but not both) can be @samp{-}, meaning standard input. @var{file1} and @var{file2} should be already sorted in increasing order (not numerically) on the join fields; unless the @samp{-t} option is given, they should be sorted ignoring blanks at -the start of the line, as in @code{sort -b}. +the start of the join field, as in @code{sort -b}. If the +@samp{--ignore-case} option is given, lines should be sorted without +regard to the case of characters in the join field, as in @code{sort -f}. The defaults are: the join field is the first field in each line; fields in the input are separated by one or more blanks, with leading @@ -2226,6 +2228,14 @@ Print a line for each unpairable line in file @var{file-number} (either Replace those output fields that are missing in the input with @var{string}. +@item -i +@itemx --ignore-case +@opindex -i +@opindex --ignore-case +Ignore differences in case when comparing keys. +With this option, the lines of the input files must be ordered in the same way. +Use @samp{sort -f} to produce this ordering. + @item -1 @var{field} @itemx -j1 @var{field} @opindex -1 -- 2.47.2