一个例子展示这三者区别
qd_cpu_str=os.popen(r" ps -ef|grep QD|grep -v grep|grep -v cpu|awk ‘{print $10‘,‘$2‘,‘$14}‘") print qd_cpu_str.read() 结果: 1 7291 QWorld 1 7297 QDBProxy 1 7310 QGameServer 1 7315 QGateway 1 7325 QCommunity 2 7390 QWorld 2 7397 QDBProxy 2 7403 QGameServer 2 7408 QGateway 2 7412 QCommunity 3 7447 QWorld 3 7454 QDBProxy 3 7475 QGameServer 3 7482 QGateway 3 7486 QCommunity
qd_cpu_str=os.popen(r" ps -ef|grep QD|grep -v grep|grep -v cpu|awk ‘{print $10‘,‘$2‘,‘$14}‘") for line in qd_cpu_str.read(): print "line read is: %s" %line 结果: /usr/bin/python2.6 /data/script/python/pycharm/pycharm_test1/cpu_QD.py line read is: 1 line read is: line read is: 7 line read is: 2 line read is: 9 line read is: 1 line read is: line read is: Q line read is: W line read is: o line read is: r line read is: l line read is: d line read is: line read is: 1 line read is: line read is: 7 line read is: 2 line read is: 9 line read is: 7 line read is: line read is: Q line read is: D line read is: B line read is: P line read is: r line read is: o line read is: x line read is: y line read is: line read is: 1 line read is: line read is: 7 line read is: 3 line read is: 1 line read is: 0 line read is: line read is: Q line read is: G line read is: a line read is: m line read is: e line read is: S line read is: e line read is: r line read is: v line read is: e line read is: r line read is: line read is: 1 line read is: line read is: 7 line read is: 3 line read is: 1 line read is: 5 line read is: line read is: Q line read is: G line read is: a line read is: t line read is: e line read is: w line read is: a line read is: y line read is: line read is: 1 line read is: line read is: 7 line read is: 3 line read is: 2 line read is: 5 line read is: line read is: Q line read is: C line read is: o line read is: m line read is: m line read is: u line read is: n line read is: i line read is: t line read is: y line read is: line read is: 2 line read is: line read is: 7 line read is: 3 line read is: 9 line read is: 0 line read is: line read is: Q line read is: W line read is: o line read is: r line read is: l line read is: d line read is: line read is: 2 line read is: line read is: 7 line read is: 3 line read is: 9 line read is: 7 line read is: line read is: Q line read is: D line read is: B line read is: P line read is: r line read is: o line read is: x line read is: y line read is: line read is: 2 line read is: line read is: 7 line read is: 4 line read is: 0 line read is: 3 line read is: line read is: Q line read is: G line read is: a line read is: m line read is: e line read is: S line read is: e line read is: r line read is: v line read is: e line read is: r line read is: line read is: 2 line read is: line read is: 7 line read is: 4 line read is: 0 line read is: 8 line read is: line read is: Q line read is: G line read is: a line read is: t line read is: e line read is: w line read is: a line read is: y line read is: line read is: 2 line read is: line read is: 7 line read is: 4 line read is: 1 line read is: 2 line read is: line read is: Q line read is: C line read is: o line read is: m line read is: m line read is: u line read is: n line read is: i line read is: t line read is: y line read is: line read is: 3 line read is: line read is: 7 line read is: 4 line read is: 4 line read is: 7 line read is: line read is: Q line read is: W line read is: o line read is: r line read is: l line read is: d line read is: line read is: 3 line read is: line read is: 7 line read is: 4 line read is: 5 line read is: 4 line read is: line read is: Q line read is: D line read is: B line read is: P line read is: r line read is: o line read is: x line read is: y line read is: line read is: 3 line read is: line read is: 7 line read is: 4 line read is: 7 line read is: 5 line read is: line read is: Q line read is: G line read is: a line read is: m line read is: e line read is: S line read is: e line read is: r line read is: v line read is: e line read is: r line read is: line read is: 3 line read is: line read is: 7 line read is: 4 line read is: 8 line read is: 2 line read is: line read is: Q line read is: G line read is: a line read is: t line read is: e line read is: w line read is: a line read is: y line read is: line read is: 3 line read is: line read is: 7 line read is: 4 line read is: 8 line read is: 6 line read is: line read is: Q line read is: C line read is: o line read is: m line read is: m line read is: u line read is: n line read is: i line read is: t line read is: y line read is: Process finished with exit code 0
qd_cpu_str=os.popen(r" ps -ef|grep QD|grep -v grep|grep -v cpu|awk ‘{print $10‘,‘$2‘,‘$14}‘") for line in qd_cpu_str.readline(): print "line readline is: %s" %line 结果: /usr/bin/python2.6 /data/script/python/pycharm/pycharm_test1/cpu_QD.py line readline is: 1 line readline is: line readline is: 7 line readline is: 2 line readline is: 9 line readline is: 1 line readline is: line readline is: Q line readline is: W line readline is: o line readline is: r line readline is: l line readline is: d line readline is: Process finished with exit code 0
qd_cpu_str=os.popen(r" ps -ef|grep QD|grep -v grep|grep -v cpu|awk ‘{print $10‘,‘$2‘,‘$14}‘") for line in qd_cpu_str.readlines(): print "line readlines is: %s" %line /usr/bin/python2.6 /data/script/python/pycharm/pycharm_test1/cpu_QD.py line readlines is: 1 7291 QWorld line readlines is: 1 7297 QDBProxy line readlines is: 1 7310 QGameServer line readlines is: 1 7315 QGateway line readlines is: 1 7325 QCommunity line readlines is: 2 7390 QWorld line readlines is: 2 7397 QDBProxy line readlines is: 2 7403 QGameServer line readlines is: 2 7408 QGateway line readlines is: 2 7412 QCommunity line readlines is: 3 7447 QWorld line readlines is: 3 7454 QDBProxy line readlines is: 3 7475 QGameServer line readlines is: 3 7482 QGateway line readlines is: 3 7486 QCommunity Process finished with exit code 0
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