10-16-2014
Also, it will assign the value of $u right then, and not get any "new" value when you use it later.
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi all..
I got a problem..
Its easy to redirect o/p to a file.. But Is it possible to redirect the O/P to a variable?
For example:
I've a command in my script:
string1=cut -d ':' -f2 file.txt
When I do:
echo $string1
The value is empty... Pls suggest me how to store the value... (7 Replies)
Discussion started by: smartbuddy
7 Replies
2. Shell Programming and Scripting
I have a variable A
echo $A
5060
I am exporting the value X,Y,Z and it id fetching right thing and When I run
C=`${X} -l ${Y} ${Z} "trap '' INT;. ~/.profile >/dev/null 2>/dev/null; netstat -na | grep \$A`"
here it is going to same directory and also running netstat -na | grep 5060
... (4 Replies)
Discussion started by: madhusmita
4 Replies
3. Shell Programming and Scripting
Hi Jim,
The following script is in working state. But i m having one more problem with awk cmd. Could you tell me how to use any variable inside awk or how to take any variable value outside awk.
My problem is i want to maintain one property file in which i am declaring variable value into that... (12 Replies)
Discussion started by: Ganesh Khandare
12 Replies
4. Shell Programming and Scripting
I am sure it has been answered in some form or the other in this forum but trust me I have spent last couple of hours looking for an answer but can't find it.
I want to do a very simple operation within my script.
Let's say I have 4 files with the names file1.log, file2.log, file3.log and... (6 Replies)
Discussion started by: sssccc
6 Replies
5. Shell Programming and Scripting
Hi,
I am trying to do the following thing
var='date'
$var
Above command substitutes date for and in turn runs the date command and i am getting the todays date value.
I am trying to do the same thing as following, but facing some problems,
unique_host_pro="sed -e ' /#/d'... (3 Replies)
Discussion started by: gvinayagam
3 Replies
6. Shell Programming and Scripting
Hello Experts
I am newbie to unix and writing one script to make archive files
Problme i am facing is : I have used find command to find the type of files and I am storing find command results in a variable.
When I echo the variable I can see that path is printed properly but when i am... (5 Replies)
Discussion started by: mitsyjohn
5 Replies
7. Shell Programming and Scripting
Hi
How to use a variable to store the filename of a file which was found by the 'find' command.
can this be practical-->var = find . -name "filename.dat"
Please help.. (1 Reply)
Discussion started by: ayyappaas
1 Replies
8. Shell Programming and Scripting
Hello All
My req is to store the exit status of a command in shell variable
I want to check whether the file has header or not
The header will contain the string
DATA_ACQ_CYC_CNTL_ID
So I am running the command
head -1 $i | grep DATA_ACQ_CYC_CNTL_ID
Now I have to check if... (6 Replies)
Discussion started by: Pratik4891
6 Replies
9. Shell Programming and Scripting
I want to store the return value of
grep -c string filename
into a variable, say count. How do I do that?
For example if grep -c "string" "filename" shows 0 on executing it in the sh shell then I want to store this 0 in a variable. Is it possible? :D (5 Replies)
Discussion started by: navienavnav
5 Replies
10. Programming
I am trying to store output of python command in variable. Could you please help how I can do that ?
For example I am executing the following command - "CentOS" in server_desc
The output would be True or False
I would like to store the output in a variable say outPut and use condition... (4 Replies)
Discussion started by: atanubanerji
4 Replies
LEARN ABOUT MOJAVE
mpsimagedescriptor
MPSImageDescriptor(3) MetalPerformanceShaders.framework MPSImageDescriptor(3)
NAME
MPSImageDescriptor
SYNOPSIS
#import <MPSImage.h>
Inherits NSObject.
Class Methods
(__nonnull instancetype) + imageDescriptorWithChannelFormat:width:height:featureChannels:
(__nonnull instancetype) + imageDescriptorWithChannelFormat:width:height:featureChannels:numberOfImages:usage:
Properties
NSUInteger width
NSUInteger height
NSUInteger featureChannels
NSUInteger numberOfImages
MTLPixelFormat pixelFormat
MPSImageFeatureChannelFormat channelFormat
MTLCPUCacheMode cpuCacheMode
MTLStorageMode storageMode
MTLTextureUsage usage
Detailed Description
MPSImage.h MPSCore.framework
Copyright:
Copyright (c) 2015-2017 Apple Inc. All rights reserved. A MPSImage is a MTLTexture abstraction that allows for more than 4 channels,
and for temporary images.
This depends on Metal.framework A MPSImageDescriptor object describes a attributes of MPSImage and is used to create one (see MPSImage
discussion below)
Method Documentation
+ (__nonnull instancetype) imageDescriptorWithChannelFormat: (MPSImageFeatureChannelFormat) channelFormat(NSUInteger) width(NSUInteger)
height(NSUInteger) featureChannels
Create a MPSImageDescriptor for a single read/write cnn image.
+ (__nonnull instancetype) imageDescriptorWithChannelFormat: (MPSImageFeatureChannelFormat) channelFormat(NSUInteger) width(NSUInteger)
height(NSUInteger) featureChannels(NSUInteger) numberOfImages(MTLTextureUsage) usage
Create a MPSImageDescriptor for a read/write cnn image with option to set usage and batch size (numberOfImages).
Property Documentation
- channelFormat [read], [write], [nonatomic], [assign]
The storage format to use for each channel in the image.
- cpuCacheMode [read], [write], [nonatomic], [assign]
Options to specify CPU cache mode of texture resource. Default = MTLCPUCacheModeDefaultCache
- featureChannels [read], [write], [nonatomic], [assign]
The number of feature channels per pixel. Default = 1.
- height [read], [write], [nonatomic], [assign]
The height of the CNN image. The formal height of the CNN image in pixels. Default = 1.
- numberOfImages [read], [write], [nonatomic], [assign]
The number of images for batch processing. Default = 1.
- pixelFormat [read], [nonatomic], [assign]
The MTLPixelFormat expected for the underlying texture.
- storageMode [read], [write], [nonatomic], [assign]
To specify storage mode of texture resource. Storage mode options:
Default = MTLStorageModeShared on iOS
MTLStorageModeManaged on Mac OSX
MTLStorageModeShared not supported on Mac OSX.
See Metal headers for synchronization requirements when using StorageModeManaged
- usage [read], [write], [nonatomic], [assign]
Description of texture usage. Default = MTLTextureUsageShaderRead/Write
- width [read], [write], [nonatomic], [assign]
The width of the CNN image. The formal width of the CNN image in pixels. Default = 1.
Author
Generated automatically by Doxygen for MetalPerformanceShaders.framework from the source code.
Version MetalPerformanceShaders-100 Thu Feb 8 2018 MPSImageDescriptor(3)