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Re: redirecting output and input in mid job


From: Chet Ramey
Subject: Re: redirecting output and input in mid job
Date: Tue, 9 Jul 2002 08:40:20 -0400

> here's some ideas for your deluxe edition:
> $ (while sleep 3; do echo o; done)&
> $ fg -o file #exec job's 1> file
> $ fg -a file #appends
> $ bg -a file
> $ bg \< file #or -i, or -fd 1, 2 , 0 etc. or /dev/stderr ...
> etc. etc. i.e. redirecting output and input in mid job.
> or something like that.  in case you can't do this already.

This isn't possible with the Unix process model.  One process can't
change another's file descriptors.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )

Chet Ramey, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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