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12-22-2009 05:10 AM
12-22-2009 05:10 AM
Re: Query on scripting
Hi (again):
One advantage to Jean-Philippe's use of a unique file descriptor would be seen if your read loop invoked an interactive command, like 'rm -i' to remove files. In that case, you need to keep one file descriptor for the file read (here, #3) and allow the standard file descriptor (STDIN or #0) to be used by 'rm -i ${i}'.
Regards!
...JRF...
One advantage to Jean-Philippe's use of a unique file descriptor would be seen if your read loop invoked an interactive command, like 'rm -i' to remove files. In that case, you need to keep one file descriptor for the file read (here, #3) and allow the standard file descriptor (STDIN or #0) to be used by 'rm -i ${i}'.
Regards!
...JRF...
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12-22-2009 06:23 AM
12-22-2009 06:23 AM
Re: Query on scripting
>JRF: One advantage to Jean-Philippe's use of a unique file descriptor would be seen if your read loop invoked an interactive command, like 'rm -i' to remove files. In that case, you need to keep one file descriptor for the file read and allow the standard file descriptor (STDIN) to be used by 'rm -i ${i}'.
It is possible that rm(1) isn't reading from stdin, most likely stderr? tusc will tell you.
I thought of that solution the last time we had that "while ssh/remsh ... with -n" eating up stdin.
It is possible that rm(1) isn't reading from stdin, most likely stderr? tusc will tell you.
I thought of that solution the last time we had that "while ssh/remsh ... with -n" eating up stdin.
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