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Full Discussion: Assign value to variable
Top Forums UNIX for Beginners Questions & Answers Assign value to variable Post 303037545 by bakunin on Monday 5th of August 2019 09:30:15 AM
Old 08-05-2019
Quote:
Originally Posted by MadeInGermany
Code:
sed -n 's/Rows: //p'

If you want to make sure there is only one value printed (like a implicit |uniq) you need to quit after the first match:

Code:
sed -n '/^Rows:/ {;s/^Rows:[^0-9]*\([0-9][0-9]*\).*/\1/p;q;}'

This will print the first line starting with "Rows:" and leave sed after printing it. I have tried to improve the regexp so that (variable numbers of) blanks before and behind the number eventually get deleted too.

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
 

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MPSCNNLocalContrastNormalizationGradientNode(3) 	 MetalPerformanceShaders.framework	   MPSCNNLocalContrastNormalizationGradientNode(3)

NAME
MPSCNNLocalContrastNormalizationGradientNode SYNOPSIS
#import <MPSNNGraphNodes.h> Inherits MPSNNGradientFilterNode. Instance Methods (nonnull instancetype) - initWithSourceGradient:sourceImage:gradientState:kernelWidth:kernelHeight: Class Methods (nonnull instancetype) + nodeWithSourceGradient:sourceImage:gradientState:kernelWidth:kernelHeight: Properties float alpha float beta float delta float p0 float pm float ps NSUInteger kernelWidth NSUInteger kernelHeight Method Documentation - (nonnull instancetype) initWithSourceGradient: (MPSNNImageNode *__nonnull) sourceGradient(MPSNNImageNode *__nonnull) sourceImage(MPSNNGradientStateNode *__nonnull) gradientState(NSUInteger) kernelWidth(NSUInteger) kernelHeight + (nonnull instancetype) nodeWithSourceGradient: (MPSNNImageNode *__nonnull) sourceGradient(MPSNNImageNode *__nonnull) sourceImage(MPSNNGradientStateNode *__nonnull) gradientState(NSUInteger) kernelWidth(NSUInteger) kernelHeight Property Documentation - alpha [read], [write], [nonatomic], [assign] The value of alpha. Default is 0.0 The default value 0.0 is not recommended and is preserved for backwards compatibility. With alpha 0, it performs a local mean subtraction. The MPSCNNLocalContrastNormalizationNode used with the MPSNNGraph uses 1.0 as a default. - beta [read], [write], [nonatomic], [assign] The value of beta. Default is 0.5 - delta [read], [write], [nonatomic], [assign] The value of delta. Default is 1/1024 - (NSUInteger) kernelHeight [read], [nonatomic], [assign] - (NSUInteger) kernelWidth [read], [nonatomic], [assign] - p0 [read], [write], [nonatomic], [assign] The value of p0. Default is 1.0 - pm [read], [write], [nonatomic], [assign] The value of pm. Default is 0.0 - ps [read], [write], [nonatomic], [assign] The value of ps. Default is 1.0 Author Generated automatically by Doxygen for MetalPerformanceShaders.framework from the source code. Version MetalPerformanceShaders-100 Thu Feb 8 2018 MPSCNNLocalContrastNormalizationGradientNode(3)
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