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Homework and Emergencies
Homework & Coursework Questions
Unix Homework Help needed
Post 302631697 by vaidastf on Friday 27th of April 2012 05:27:58 PM
04-27-2012
Unix Homework Help needed
Code:
1 Petras Pavardenis 1980 5 08 Linas Bajoriunas 1970 10 3 Saulius Matikaitis 1982 2 5 Mindaugas Stulgis 1990 7 6 Rimas Nasickis 1964 10 7 Simas Saulenis 1966 12 8 Justas Skukauskas 1995 9 9 Petras Petronkus 1988 3 10 Zanas Baltraitis 1990 5 11 Mantas Caraitis 1974 1 12 Edmundas Butkus 1970 9 13 Mindaugas Sinkevicius 1945 11 14 Edgaras Zvironas 1930 8 15 Vaidas Gaubas 1985 12 16 Gintaras Gintaitis 1980 5 17 Raigardas Tautkus 1975 1 18 Darvydas Tautkevicius 1925 12 19 Tomas Cereska 1989 4 20 Saulius Sidlauskas 1984 6 21 Jonas Jonaitis 1966 8 22 Jonas Petraitis 1940 12 23 Jonas Ringys 1970 1 13 Julius Jonaitis 1974 11
I need GREP command to find the words which start with capital letters A,B,C,D,E,F,G,H,I,J,K in the column 3 (the first word of this column is "Pavardenis") . Not in all columns but just in the third column (as I said earlier the first word of this column is "Pavardenis"). And i must use only GREP command (I cannot use awk or other commands due to my school restrictions).
2. Relevant commands, code, scripts, algorithms:
3. The attempts at a solution (include all code and scripts):
I tried for hours but nof succesfully
4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
I cannot write all important information about my University because I live in Latvia and maybe you will not understand what i said
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LEARN ABOUT OPENSOLARIS
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)