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Re: scheme system stdout and markup predicates

From: David Kastrup
Subject: Re: scheme system stdout and markup predicates
Date: Tue, 23 Aug 2011 13:40:04 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Jan-Peter Voigt <address@hidden> writes:

> Hello List,
> I am using the scheme system command (on linux) to generate barcodes
> to include in the PDF:

> I have two questions:
> To (system "...")
> 1: There are several commands, wich can write the generated EPS to
> stdout. Is there a possibility to catch that and integrate it without
> creating a temporary file?

See the guile documentation, node "Pipes".

> 2: Is there a way to get the result code and see if the command succeded?

Uh, have you even looked up "system" in the guile documentation?

David Kastrup

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