从一个多行输出Bash灰显多行
我有一个命令从一个多行输出Bash灰显多行,bash,awk,output,dumpsys,Bash,Awk,Output,Dumpsys,我有一个命令dumpsys power,输出如下: POWER MANAGER (dumpsys power) Power Manager State: mDirty=0x0 mWakefulness=Awake # mWakefulnessChanging=false mIsPowered=false mPlugType=0 mBatteryLevel=67 # mBatteryLevelWhenDreamStarted=0
dumpsys power
,输出如下:
POWER MANAGER (dumpsys power)
Power Manager State: mDirty=0x0
mWakefulness=Awake #
mWakefulnessChanging=false
mIsPowered=false
mPlugType=0
mBatteryLevel=67 #
mBatteryLevelWhenDreamStarted=0
mDockState=0
mStayOn=false #
mProximityPositive=false
mBootCompleted=true #
mSystemReady=true #
mHalAutoSuspendModeEnabled=false
mHalInteractiveModeEnabled=true
mWakeLockSummary=0x0
mUserActivitySummary=0x1
mRequestWaitForNegativeProximity=false
mSandmanScheduled=false
mSandmanSummoned=false
mLowPowerModeEnabled=false #
mBatteryLevelLow=false #
mLastWakeTime=134887327 (59454 ms ago) #
mLastSleepTime=134881809 (64972 ms ago) #
mLastUserActivityTime=134946670 (111 ms ago)
mLastUserActivityTimeNoChangeLights=134794061 (152720 ms ago)
mLastInteractivePowerHintTime=134946670 (111 ms ago)
mLastScreenBrightnessBoostTime=0 (134946781 ms ago)
mScreenBrightnessBoostInProgress=false
mDisplayReady=true #
mHoldingWakeLockSuspendBlocker=false
mHoldingDisplaySuspendBlocker=true
Settings and Configuration:
mDecoupleHalAutoSuspendModeFromDisplayConfig=false
mDecoupleHalInteractiveModeFromDisplayConfig=true
mWakeUpWhenPluggedOrUnpluggedConfig=true
mWakeUpWhenPluggedOrUnpluggedInTheaterModeConfig=false
mTheaterModeEnabled=false
mSuspendWhenScreenOffDueToProximityConfig=false
mDreamsSupportedConfig=true
mDreamsEnabledByDefaultConfig=true
mDreamsActivatedOnSleepByDefaultConfig=false
mDreamsActivatedOnDockByDefaultConfig=true
mDreamsEnabledOnBatteryConfig=false
mDreamsBatteryLevelMinimumWhenPoweredConfig=-1
mDreamsBatteryLevelMinimumWhenNotPoweredConfig=15
mDreamsBatteryLevelDrainCutoffConfig=5
mDreamsEnabledSetting=false
mDreamsActivateOnSleepSetting=false
mDreamsActivateOnDockSetting=true
mDozeAfterScreenOffConfig=true
mLowPowerModeSetting=false
mAutoLowPowerModeConfigured=false
mAutoLowPowerModeSnoozing=false
mMinimumScreenOffTimeoutConfig=10000
mMaximumScreenDimDurationConfig=7000
mMaximumScreenDimRatioConfig=0.20000005
mScreenOffTimeoutSetting=60000 #
mSleepTimeoutSetting=-1
mMaximumScreenOffTimeoutFromDeviceAdmin=2147483647 (enforced=false)
mStayOnWhilePluggedInSetting=0
mScreenBrightnessSetting=102
mScreenAutoBrightnessAdjustmentSetting=-1.0
mScreenBrightnessModeSetting=1
mScreenBrightnessOverrideFromWindowManager=-1
mUserActivityTimeoutOverrideFromWindowManager=-1
mTemporaryScreenBrightnessSettingOverride=-1
mTemporaryScreenAutoBrightnessAdjustmentSettingOverride=NaN
mDozeScreenStateOverrideFromDreamManager=0
mDozeScreenBrightnessOverrideFromDreamManager=-1
mScreenBrightnessSettingMinimum=10
mScreenBrightnessSettingMaximum=255
mScreenBrightnessSettingDefault=102
Sleep timeout: -1 ms
Screen off timeout: 60000 ms
Screen dim duration: 7000 ms
Wake Locks: size=0 Suspend Blockers: size=4
PowerManagerService.WakeLocks: ref count=0
PowerManagerService.Display: ref count=1
PowerManagerService.Broadcasts: ref count=0
PowerManagerService.WirelessChargerDetector: ref count=0
Display Power: state=ON #
我希望以以下格式获得标有#的行:
mScreenOffTimeoutSetting=60000
mDisplayReady=true
***
ScreenOfftimeoutSetting = 60000
DisplayReady = true
命令输出可能因设备而异,某些行可能不存在或位于不同的位置。因此,如果搜索的行不存在,则不应生成错误。不清楚您想要什么。Aou可以使用sed从文件中提取变量,并对它们执行任何操作。下面是一个例子:
sed -n -e 's/^mSomeName=\(.*\)/newVariable=\1/p' -e 's/^mOtherName=.*+\(.*\)/newVariable2=\1/p' myFile
说明:
根据默认值不输出任何内容-n
下面是一个表达式。这是必需的,因为我们有多个表达式-e
如果文件以s/^mSomeName=\(.*)/newVariable=\1/p
开始(mSomeName=
捕获接下来的内容(mSomeName=
),将行替换为\(.*)
,其中捕获的是newVariable=\1
,然后打印出来(\1
)p
- 's/^mOtherName=.+()/newVariable2=\1/p'与前面的表达式类似,但将捕获
签名后的内容,并在+
后面打印出来newVariable2
$ sed -n -e 's/^mSomeName=\(.*\)/newVariable=\1/p' -e 's/^mOtherName=.*+\(.*\)/newVariable2=\1/p' <<<$'mSomeName=SomeValue\nmOtherName=OtherValue+Somethingelse'
newVariable=SomeValue
newVariable2=Somethingelse
eval将执行字符串,该字符串在本例中设置变量值:
$ eval a=1
$ echo $a
1
如果只想使用Grep命令,可以使用-A(After)和-B(Before)选项和管道 这是一个有两行的示例 文件test.txt:
test
aieauieaui
test
caieaieaipe
mSomeName=SomeValue
mOtherName=OtherValue+Somethingelse
nothing
blabla
mSomeName=SomeValue2
mOtherName=OtherValue+Somethingelse2
要使用的命令:
grep -A 1 'mSomeName' test.txt |grep -B 1 'mOtherName'
输出:
mSomeName=SomeValue
mOtherName=OtherValue+Somethingelse
--
mSomeName=SomeValue2
mOtherName=OtherValue+Somethingelse2
发布输入和预期输出如果输出长度为50-100行,最好制作一个较小的示例(例如10行,提取2)。无需使用
for
循环awk-F='$1~/^(mSomeValue | someOther | orhirdetc)$/{print$2}'
将从正则表达式中的键中提取值,以标准输出。我用命令的完整输出更新了问题。我已经尝试了您的awk命令,但由于某种原因,它返回blank for me:/Works for me,意思是我得到了预期的输出:。。。那个输出是否真的有用是另一个问题,但你们的问题陈述只会让我们猜测。(如果要忽略前导空格,请在正则表达式中的第一个^
之后添加类似[]*
的内容。)这不起作用,因为输出可能因设备而异,但无论如何,感谢您的回答:D
mSomeName=SomeValue
mOtherName=OtherValue+Somethingelse
--
mSomeName=SomeValue2
mOtherName=OtherValue+Somethingelse2