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author | Paul Eggert <eggert@cs.ucla.edu> | 2019-01-05 19:20:11 -0800 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2019-01-05 19:20:36 -0800 |
commit | 2c9d956aacdfddbb87334c985cd995d75102f789 (patch) | |
tree | c042cc0763e423b51a955c39d6011306613df970 /doc | |
parent | 1104d026514014808629f28f2e6c787bf3c520c4 (diff) | |
download | diffutils-2c9d956aacdfddbb87334c985cd995d75102f789.tar.gz |
diff: remove unportable ‘diff -N - f <&-’ feature
* NEWS: Mention this.
* bootstrap.conf (gnulib_modules): Add stdopen.
* doc/diffutils.texi (Comparing Directories):
Do not document behavior if stdin is closed.
* src/diff.c: Include stdopen.h.
(main): Call stdopen early.
(compare_files) [__hpux]: Remove recently-introduced
special case for HP-UX exec with stdin closed.
* tests/new-file: Remove tests of the removed feature.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/diffutils.texi | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/doc/diffutils.texi b/doc/diffutils.texi index 42d3abd..3a780db 100644 --- a/doc/diffutils.texi +++ b/doc/diffutils.texi @@ -1796,8 +1796,7 @@ second position.) To do this, use the @option{--new-file} (@option{-N}) option. This option affects command-line arguments as well as files found via directory traversal; for example, @samp{diff -N a b} treats @file{a} as empty if @file{a} does not exist but -@file{b} does, and similarly @samp{diff -N - b} treats standard input -as empty if it is closed but @file{b} exists. +@file{b} does. If the older directory contains large files that are not in the newer directory, you can make the patch smaller by using the |