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23
votes
10answers
5k views
Get exit status of process that's piped to another
I have two processes foo and bar, connected with a pipe:
$ foo | bar
bar always exits 0; I'm interested in the exit code of foo. Is there any way to get at it?
1
vote
2answers
648 views
How to pass data outside process for zenity progress?
Usually this would be a question about how to pass data from a subprocess to a main process, but maybe zenity has some extra quirks so please focus on zenity.
Example:
#!/bin/sh
(
echo "10" ; sleep ...
