rupert wrote:
> On Tue, Mar 4, 2008 at 10:05 AM, Alessandro Vesely <[EMAIL PROTECTED]> wrote:
>> > /etc/maildroprc(12): ISDIR="0"
>> > maildrop: Filtering through `if [ -d "$VHOME/$USERDOMAIN/$ACCOUNT"
>> > ];then ISDIR="1"; fi`
>>
>> In order to get results from a subprocess one can
>> * check its return code,
>> * retrieve its output,
>> * [...]
>>
> but then should this work in the first place
>
> `test -d "$VHOME/$USERDOMAIN/$ACCOUNT"`
> if(!$RETURNCODE)
> {
> "only gets executed if the folder does "not" exist"
+ "only gets executed if the folder exists"
> }
`test` exits with status 0 if successful. Check RETURNCODE in
http://www.courier-mta.org/maildropfilter.html#id326037
Notice that conditional constructs in the shell (i.e. if [...]; then)
treat a 0 exit status as "true" because the exit status of 0 usually
means success. That is the opposite of what most programming languages
do (AFAIK all except Java, which doesn't automatically promote integer
to boolean.)
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