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Shell Programming and Scripting
including spaces in awk output
Post 302110053 by reborg on Friday 9th of March 2007 04:39:29 PM
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1. UNIX for Dummies Questions & Answers
what's the proper syntax to redirect output, including all errors?
ls -la > direct.list makes out put file direct.list
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I am accessing two files. I am using read command to read from the files.
For the first file, I need read the fields delimited by spaces, and for the other file, I need to read the whole line as a single field including the spaces.
When I used read command for the second file, the spaces... (4 Replies)
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Hi All,
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Test.txt
1aaaaaaaaaaa .
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I am piping an "ls -l" to awk so that all it returns is the file size, date, and file name. The problem is that some files may have spaces in the name so awk is only printing the first word in the file name. I won't know how many space-delimited words are in the filename, so what I want to do is... (2 Replies)
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Im running the below commands in a script.
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#
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I have simple test.sh script, see below:
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Source 1
column1 column2 column 3 column4
1,ganesh,1,000,1
222,ram,2,000,5
222,ram,50,000,5
33,raju,5,000,7
33,raju,5,000,7
33,raju,5,000,8
33,raju,5,000,4
33,raju,5,000,1
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For the record, I already tried telling mgmt and the users to disallow spaces in filenames for this script, but it isn't happening for a number of ID10T-error-based reasons.
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LEARN ABOUT V7
ppmtosixel
ppmtosixel(1) General Commands Manual ppmtosixel(1) NAME
ppmtosixel - convert a portable pixmap into DEC sixel format SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC LJ250 color inkjet printer. If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file. OPTIONS
-raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com- pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni- tude larger than a compressed file and prints much slower. -margin If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci- fied, a 1.5 inch left margin will offset the image. PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?. BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation. SEE ALSO
ppm(5) AUTHOR
Copyright (C) 1991 by Rick Vinci. 26 April 1991 ppmtosixel(1)