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bug#10819: [BUG][RM]
From: |
Jim Meyering |
Subject: |
bug#10819: [BUG][RM] |
Date: |
Thu, 16 Feb 2012 11:59:05 +0100 |
Voelker, Bernhard wrote:
> Jim Meyering wrote:
>> Davide Brini wrote:
>> ...
>> > At least in bash, but I suppose in other shells too,
>> >
>> > rm -rf #*
>> >
>> > treats the "#*" part as a comment, and (if you remove the "-f") complains
>> > about missing operand to rm.
>>
>> That is the default, but for an interactive shell,
>> that behavior can be changed:
>>
>> $ echo a b # c
>> a b
>> $ shopt -u interactive_comments
>> $ echo a b # c
>> a b # c
>
> I think Davide's point is not about the # comment ... rm won't see
> that on argv anyway. The point is that 'rm -f' does not complain about
> missing operands while 'rm' does:
>
> $ rm
> rm: missing operand
> Try `rm --help' for more information.
> $ rm -f
> $
>
> According to the info, '-f' just silences error messages for files
> which do not exist (and never to prompt for confirmation), but why
> should it also affect the "missing operand" message?
Two reasons:
- that's what rm -f has always done
- because that's more useful. Otherwise, "rm -rf $file_list" would
have to be wrapped in code to handle specially the case in which
$file_list is empty.
- bug#10819: [BUG][RM], address@hidden, 2012/02/15
- bug#10819: [BUG][RM], Eric Blake, 2012/02/15
- bug#10819: [BUG][RM], Davide Brini, 2012/02/16
- bug#10819: [BUG][RM], Jim Meyering, 2012/02/16
- bug#10819: [BUG][RM], Voelker, Bernhard, 2012/02/16
- bug#10819: [BUG][RM],
Jim Meyering <=
- bug#10819: [BUG][RM], Voelker, Bernhard, 2012/02/16
- bug#10819: [BUG][RM], Jim Meyering, 2012/02/16
- bug#10819: [BUG][RM], Voelker, Bernhard, 2012/02/16
- bug#10819: [BUG][RM], Eric Blake, 2012/02/16
- bug#10819: [BUG][RM], Jim Meyering, 2012/02/16
- bug#10819: [BUG][RM], Stefano Lattarini, 2012/02/16
- bug#10819: [BUG][RM], Eric Blake, 2012/02/16
- bug#10819: [BUG][RM], Philip Rowlands, 2012/02/16
- bug#10819: POSIX will say running "rm -f" with no argument is OK, Stefano Lattarini, 2012/02/16