prog.sh: line 1: iwconfig: command not found
prog.sh: line 2: eth0: command not found
prog.sh: line 4: lo: command not found
prog.sh: line 6: wlan0: command not found
prog.sh: line 7: Mode:Managed: command not found
prog.sh: line 8: Bit: command not found
prog.sh: line 9: Retry: command not found
prog.sh: line 10: Power: command not found
prog.sh: line 11: Link: command not found
prog.sh: line 12: Rx: command not found
prog.sh: line 13: Tx: command not found