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popen i read/write mode

Hejsa

Jeg sidder og leger med at lægge en grafisk brugerflade på nogle
eksisterende programmer, som kræver input fra brugeren. Til det bruger jeg
'popen()' funktionen, som kan åbne strømmen til programmet i enten read
ELLER write mode. Det er bare ikke godt nok, da jeg gerne ville læse output.
Er der et alternativ til 'popen()', så jeg både kan læse fra og skrive til
komandoen ?

VH

Robert

 
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