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Old 07-08-2009, 10:06 PM   #1
aryek
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Registered: Jul 2009
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how can a program tell if it has stdin "waiting" to be read?

program p2:

if [[ .. we have stdin .. ]]; then
while read x; do
echo $x
done
else
echo "$@"
fi
 
Old 07-09-2009, 03:14 PM   #2
Uncle_Theodore
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Registered: Dec 2007
Location: Charleston WV, USA
Distribution: Slackware 12.2, Arch Linux Amd64
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I would try something like this
Code:
#!/bin/bash

while read -t 1 x 
do echo $x
done
If nothing is discovered at the stdin in one second, the script exits. Probably not what you want though...
 
  


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