spawned:
Found rtlamr.
loop#:0
Can't exec "rtlamr": No such file or directory at /home/jj/eclipse-workspace/ReadGas/ReadFromRadio.pl line 50.
print() on closed filehandle $handle at /usr/lib/x86_64-linux-gnu/perl/5.30/IO/Handle.pm line 431.
loop#:1 ......