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1. Shell Programming and Scripting
I tried to run a command which simply generates SSH key with out prompting password.
After several trails , got the below command to run the script :
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Hi guys,
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5. Shell Programming and Scripting
HI all,
I am attempting to use the scp statemet in a shell script that I am writing
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6. UNIX for Dummies Questions & Answers
Hi,
I am assaigning the output to the variable outp and when i try to loop thru the variable i see the original content $OUTPUT also in the array outp.
I dont want to have the original content in the array outp.
Please reply.
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7. Shell Programming and Scripting
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8. Shell Programming and Scripting
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9. Shell Programming and Scripting
To anyone who can help greetings,
I am a beginner at Unix shell scripting.
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10. Shell Programming and Scripting
To anyone who can help greetings,
I am a beginner at Unix shell scripting and am taking a class.
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use a command-line tool named "itstat" which will display the resolution of an image file and some other lines of information. It accepts a list of image... (1 Reply)
Discussion started by: tech2040
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setpix(1) General Commands Manual setpix(1)
Name
setpix - Set FITS or IRAF image values
Synopsis
setpix [-vn] file.fts [x_range y_range value] [@valuefile]
Description
Set a specified pixel or range of pixels in a FITS or IRAF image to a specified value. More than one range of pixels and values may be
specified on one command line. A file of xrange yrange value triplets may be used to set multiple regions at once. The image may be over-
written or a new image created.
Options
filename
Name of IRAF image header file or FITS file. This must be present.
@coordfile
Name of file containing lines of the format
xrange yrange value where xrange and yrange are of the format n or n-n or n,n,n or n-n,n-n and value my be integer or
floating point. value will be converted to the type of the image. If a range is 0, the entire row or column specified by the other
non-zero range will be set to the indicated value. If both ranges are zero, the entire image will be set to the specified value.
New in version 2.6.4.
xrange yrange value
Image coordinate x and y ranges and the value to which that region will be set. Either one of these triplets or a file of triplets,
specified by @filename, must be present. xrange and yrange are of the format n or n-n or n,n,n or n-n,n-n and value my be integer or
floating point. value will be converted to the type of the image. If a range is 0, the entire row or column specified by the other
non-zero range will be set to the indicated value. If both ranges are zero, the entire image will be set to the specified value.
Ranges new in version 2.6.4.
-a <number>
Add constant to pixels
-d <number>
Divide pixels by constant
-i List each line which is dropped
-m <number>
Multiply pixels by constant
-n Write the output to a new file which is named by inserting an e before the file extension. The new file is always written to the
current working directory.
-s <number>
Subtract constant from pixels
-v Print more information about the process
Author
Doug Mink, SAO (dmink@cfa.harvard.edu)
6 July 2001 WCSTools setpix(1)