[SATLUG] Check if stdin is empty when using socat

rabie at rabie.net rabie at rabie.net
Thu Dec 4 10:05:26 CST 2014


 

correction : $rv should read $rtval 

On 2014-12-04 08:06, Rabie Khabouze wrote: 

> Hello,
> 
> I m using socat to transfer file from one server to another. I have the 
> following command running in the background on one of the servers
> 
> socat tcp-l:8989,reuseaddr,fork exec:/opt/scripts/printdoc.sh
> 
> and in printdoc.sh I have the following code :
> 
> #!/bin/bash
> now=$date +"%Y%m%d-%H-%s")
> 
> filename="spdoc.$now.txt"
> 
> rtval=0
> 
> while [ $rtval != 0 ]; then
> 
> cat - >> /opt/scripts/docs/$filename
> 
> $rv=$?
> 
> done
> 
> Do something else down here ..
> 
> Now when I cat a file from the other server, my script triggers but it 
> never goes outside the while loop, somehow it is not reading the exit 
> code $? it should be grater than 0
> 
> any thoughts ?
> 
> Thanks
> 
> Rabie

 


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