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Revision 9127

Added by Aaron Marcuse-Kubitza over 11 years ago

lib/sh/util.sh: streams: allow commands to access global stdin/stdout/stderr using fd 20/21/22. this works even when /dev/tty isn't available.

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util.sh
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# convention: use fd 10/11/12 for command-specific alternate stdin/stdout/stderr


  		




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# allow commands to access global stdin/stdout/stderr using fd 20/21/22


  		




  
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# this works even when /dev/tty isn't available


  		




  
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# ignore errors if a source fd isn't open


  		




  
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prefix=2


  		




  
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src=0 dir='<' shadow_fd || true


  		




  
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src=1 dir='>' shadow_fd || true


  		




  
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src=2 dir='>' shadow_fd || true


  		




  
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unset prefix


  		




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#### vars


  		




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set_var() { eval "$1"'="$2"'; }


  		












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