jak poznat zfailovane open "|..."

[Honza Pazdziora]

On Mon, Oct 15, 2001 at 11:19:20AM +0200, Jan ' Kozo ' Vajda wrote:
> :> nejak me honem nenapada, jak nejak hezky poznat, ze open "|neco"
> :> zfailovalo napriklad tim, ze 'neco' neexistuje. Muze nekdo poradit?
> 
> je nieco zleho na tom, co ponuka man perlfunc ?
> 
>   open(OUTPUT, '|sort >foo')  # pipe to sort
>     or die "Can't start sort: $!";

open(OUTPUT, '|nonexistent-sort >foo')  # pipe to sort
	or die "Can't start sort: $!";

Vam to nechytne.

Cili budto pres SIGPIPE, nebo se inspirovat v man perlipc(1) a vyrobit
si tam ten fork a dalsi trubky rucne.

-- 
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 Honza Pazdziora | adelton na fi.muni.cz | http://www.fi.muni.cz/~adelton/
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