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How to use the SPAWN pipe? [message #36497]

Mon, 22 September 2003 18:49

Ricard Marxer
Messages: 2
Registered: September 2003

Junior Member

Hi,

I want to use the SPAWN command in IDL, to run a program under Unix that
takes a long time to finish, but while it runs it prints information in the
screen. I would like to print this information in a WIDGET_LIST, so I
thought I would have to use the SPAWN command with the UNIT keyword and then
run a loop that will read from the pipe and add the information to the VALUE
of the list. This is not a problem, the problem is how to know that the
program has finished??? Because the last line of the program might change
in every execution.

Thanks,
Ricard

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