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ls --dereference
From: |
Nobuyuki Tsuchimura |
Subject: |
ls --dereference |
Date: |
Tue, 19 Dec 2006 08:38:17 +0900 |
Hi, coreutils team
Since coreutils-6.3, the behaver of 'ls -L (--dereference)'
seem to have changed. 'ls -L' doesn't follow symbolic link,
even though 'ls -Lt' follows.
Till coreutils-5.97, both 'ls -L' and 'ls -Lt' followed.
I found the following commitment made this change.
http://cvs.savannah.gnu.org/viewcvs/coreutils/src/ls.c?root=coreutils&r1=1.405&r2=1.406
I'm not sure the new behaver is a bug or not,
but it seems to be easy to reverse by an attached patch
(if there is no side effect).
In my opinion it is a bug, so I'll be glad if it is fixed.
--- coreutils-6.7/src/ls.c.orig 2006-11-27 19:25:51.000000000 +0900
+++ coreutils-6.7/src/ls.c 2006-12-17 23:48:31.000000000 +0900
@@ -1218,6 +1218,7 @@
format_needs_stat = sort_type == sort_time || sort_type == sort_size
|| format == long_format
+ || dereference == DEREF_ALWAYS
|| print_block_size;
format_needs_type = (! format_needs_stat
&& (recursive
Sample operation:
% cd coreutils-6.7/src/
% mkdir foo
% mkdir bar
% ln -s ../bar foo
<<new behaver>>
% ./ls --version
ls (GNU coreutils) 6.7
.... (snip)
% ./ls -F foo
bar@
% ./ls -FR foo
foo:
bar@
% ./ls -FRL foo
foo:
bar@ <-- doesn't follow sym-link
% ./ls -FRLt foo
foo:
bar/ <-- combination with 't' let follow
foo/bar:
<<old behaver>>
% \ls --version
ls (fileutils) 4.1
.... (snip)
% \ls -F foo
bar@
% \ls -FR foo
foo:
bar@
% \ls -FRL foo
foo:
bar/ <-- only '-L' let follow
foo/bar:
-- Best regards,
Nobuyuki Tsuchimura
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