Plan 9 from Bell Labs’s /usr/web/sources/plan9/rc/bin/service/tcp565
#!/bin/rc #whoami service net dir loc=`{cat $3/local|sed 's/!.*//'} rem=`{cat $3/remote} port=`{echo $rem|sed 's/^[^!]*!//'} rem=`{echo $rem|sed 's/!.*//'} echo i am $loc sysname $sysname you are $rem port $port