08-15-2014
Join the club. Which four letter word is it - kids or work?
Robin
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1. Shell Programming and Scripting
Hi,
I have 5 files in a directory.
emp1_usage.txt
emp2_usage.txt
emp3_usage.txt
emp4_usage.txt
emp5_usage.txt
I am using sqlldr to get the contents of the above 5 files and store it in a temp table and update my original table using temp table.
for f in *emp*.txt
do
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2. UNIX for Advanced & Expert Users
Suppose there are multiple files containing certain text "abc". How to print the name of all such files with a single command from unix prompt?
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3. Shell Programming and Scripting
Hi all,
Am creating files and doing copy,compare and deletion.
As i do not want to mention the filepath everywhere, i store the filepaths in variables.
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4. Shell Programming and Scripting
Howdy experts,
We have some ranges of number which belongs to particual group as below.
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5. UNIX for Dummies Questions & Answers
Hi
I would like to know how to search through a directory and pull out files that has a specific pattern in the filename. For example if the filename has "bsc" in it, then that file must be moved to another directory where I will perform some operations on it. I know grep can be used, but I'm... (17 Replies)
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6. Shell Programming and Scripting
Dear All,
Please advice me, I have a text file with one field date and time like below given. I need to find out the lines whchi content the time stamp between
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7. UNIX for Dummies Questions & Answers
Hello all,
i have tons of files in folder named like this (yyyymmdd):
bookcollection20100729
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8. UNIX for Dummies Questions & Answers
hi,
i need to search a file by range, the file (f3.txt) contains:
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x2=0120123456
x3=0120453576
x4=0110445654
x5=0120432343
x6=0129423
x7=0104323433
x8=01232132134
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9. UNIX for Dummies Questions & Answers
Hi,
I have got some 10 filenames stored in a file or displayed in the console as a result of some query i made.. Now I need to open each of these files and search for a pattern in these 10 files.. Can someone help me with this?
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10. Shell Programming and Scripting
Hi,
We are doing some migration work. The same files may exist in different partition/mountpoints. We may place it in a single place, hence we don't want any duplicates...we will rename the file names if we know the files which has duplicates(by file name)).
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LEARN ABOUT REDHAT
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)