I think I misled on "*except while processing the command line argument*"
for the -H option, wich is for find and not for exec command :-(
after some internet research, I tried this :
find . -type l -exec sh -c "md5sum \$( readlink {} )" \;
d41d8cd98f00b204e9800998ecf8427e a
and it seems ok for me :-)
regards
2016-07-23 9:57 GMT+02:00 Pascal <patate...@gmail.com>:
> hi,
>
> if I understand the man of find :
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> * -H Do not follow symbolic links, except while processing the
> com‐ mand line arguments. When find examines or prints
> information about files, the information used shall be taken
> from the prop‐ erties of the symbolic link itself. The only
> exception to this behaviour is when a file specified on the
> command line is a sym‐ bolic link, and the link can be
> resolved. For that situation, the information used is
> taken from whatever the link points to (that is, the link is
> followed). The information about the link itself is used as
> a fallback if the file pointed to by the sym‐ bolic link
> cannot be examined. If -H is in effect and one of the
> paths specified on the command line is a symbolic link to a
> directory, the contents of that directory will be
> examined (though of course -maxdepth 0 would prevent this).*
> exec command should be played on "./a" and not "./b" ?
>
> 2016-07-22 20:40 GMT+02:00 Dale R. Worley <wor...@alum.mit.edu>:
>
>> Pascal <patate...@gmail.com> writes:
>> > how find links and exec command on pointed files ?
>> >
>> > $ touch a
>> > $ ln -s a b
>> > $ ll
>> > a
>> > b -> a
>> > $ find -H . -type l -exec md5sum '{}' \;
>> > d41d8cd98f00b204e9800998ecf8427e ./b
>> >
>> > md5sum is running on "./b" and not on "./a" like excepted :-(
>>
>> But that is the behavior expected running md5sum on "./b"!
>>
>> $ touch a
>> $ ln -s a b
>> $ ll
>> total 248
>> drwxr-xr-x. 2 worley worley 4096 Jul 22 14:37 .
>> drwxr-xr-x. 53 worley worley 245760 Jul 22 14:37 ..
>> -rw-r--r--. 1 worley worley 0 Jul 22 14:37 a
>> lrwxrwxrwx. 1 worley worley 1 Jul 22 14:37 b -> a
>> $ find -H . -type l -exec md5sum '{}' \;
>> d41d8cd98f00b204e9800998ecf8427e ./b
>> $ find -H . -type l -exec echo md5sum '{}' \;
>> md5sum ./b
>> $ md5sum ./b
>> d41d8cd98f00b204e9800998ecf8427e ./b
>> $
>>
>> Dale
>>
>
>
