import commands status, output = commands.getstatusoutput("cat /etc/services")
例
>>> import commands >>> status, output = commands.getstatusoutput("lpstat -s") >>> print output system default destination: OKI_MC860_3BB60A device for _133_11_88_31: lpd://133.11.88.31:58147/ device for _192_168_1_80: lpd://192.168.1.80/ device for Brother_MFC_9460CDN: usb://Brother/MFC-9460CDN?serial=E68940H1J211148 device for EPSON_PX_7000: usb://EPSON/PX-7000?serial=NE0020206061041020 device for EPSON_PX_9500S: usb://EPSON/PX-9500S?serial=NE055070109102011- device for HP_Officejet_100_Mobile_L411: usb://HP/Officejet%20100%20Mobile%20L411?serial=MY16S511G7 device for OKI_MC860_3BB60A: dnssd://OKI-MC860-3BB60A._pdl-datastream._tcp.local./?bidi device for Roland_iM-01: usb://Roland/iM-01?serial=A >>> printers = output.split("\n") >>> printers ['system default destination: OKI_MC860_3BB60A', 'device for _133_11_88_31: lpd://133.11.88.31:58147/', 'device for _192_168_1_80: lpd://192.168.1.80/', 'device for Brother_MFC_9460CDN: usb://Brother/MFC-9460CDN?serial=E68940H1J211148', 'device for EPSON_PX_7000: usb://EPSON/PX-7000?serial=NE0020206061041020', 'device for EPSON_PX_9500S: usb://EPSON/PX-9500S?serial=NE055070109102011-', 'device for HP_Officejet_100_Mobile_L411: usb://HP/Officejet%20100%20Mobile%20L411?serial=MY16S511G7', 'device for OKI_MC860_3BB60A: dnssd://OKI-MC860-3BB60A._pdl-datastream._tcp.local./?bidi', 'device for Roland_iM-01: usb://Roland/iM-01?serial=A'] >>> [printer.split("device for")[1].split(":")[0].strip() for printer in printers if "device for" in printer] ['_133_11_88_31', '_192_168_1_80', 'Brother_MFC_9460CDN', 'EPSON_PX_7000', 'EPSON_PX_9500S', 'HP_Officejet_100_Mobile_L411', 'OKI_MC860_3BB60A', 'Roland_iM-01']
