02-03-2015
AFAIK: Bash doesnt allow double indexed arrays (matrix[$i,1] - or whatever the proper term is) -- that much regarding to 'here matrix[$i,1] means'...
Also, while a list of students of a class can be easy to handle, to manage students of classes, i'd recomend to go csv (tablesheet) or mysql (database)...
In both cases the script will have increased difficulty.
Other than that, awaiting answer to RudiC's question.
And still missing the 'logic' behind it, i cant follow the current description - to my understanding, you're just stating the obvious, but not the reason behind it.
9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I am trying to do the following using AWK program.
1. Read the input data file
2. Parse the record and see if it contains errors
3. If the record contains errors, then write it into Reject file, else, write into usual output file or display it on the screen
Here is what I have done -... (6 Replies)
Discussion started by: vidyak
6 Replies
2. Shell Programming and Scripting
Hi All,
Please help me writing the below script.
I have two sql queries.
1. Select count(1),Client_id from TABLE_A group by Client_id;
2. Select count(1),Client_id from TABLE_B group by Client_id;
I need the output of above two sql queries in a single file. The output 2nd query should be... (4 Replies)
Discussion started by: 46019
4 Replies
3. Shell Programming and Scripting
I'm running long integrations on a remote server, and I'm working in terminal in a tcsh shell.
I'm looking to write ONLY the timing statistics to a file.
For example:
$time ls >timer.out
writes both the files in my current directory & the timer statistics to the file timer.out.
I only... (2 Replies)
Discussion started by: elemonier
2 Replies
4. UNIX for Dummies Questions & Answers
Hi,
I have 1000 files names data1.txt through data1000.txt inside a folder. I want to write a script that will take each first line from the files and write them as output into a new file. How do I go about doing that? Thanks! (2 Replies)
Discussion started by: evelibertine
2 Replies
5. Shell Programming and Scripting
I have a file that contains records in the below format:
23857250998423948239482348239580923682396829682398094823049823948
23492780582305829852095820958293582093585823095892386293583203248
23482038509825098230958235234230502958205983958235820358205892095... (10 Replies)
Discussion started by: shellhelp
10 Replies
6. Shell Programming and Scripting
Hi All,
I have an input file containing data as below:
Input.DAT
XXXXXXX|YYYYYYY|ZZZZZZZZZZ|12334446456|B|YY|111111111|111111111|111111111|111111111|15|3|NNNNNN|Y|3|AAA|111111111... (11 Replies)
Discussion started by: sagar.cumar
11 Replies
7. Shell Programming and Scripting
I have a table with one column
File1.txt
1
2
3
4
5
6
7
8
9
10
Another table with two columns; This has got a subset of entries from File 1 but not unique because they have differing values in col 2.
File2.txt
1 a
2 d
2 f
6 r
6 e (3 Replies)
Discussion started by: cs_novice
3 Replies
8. Shell Programming and Scripting
HI
I am trying to grep 3 characters from hostname and append a character at the end.
I tried as in the following:
root@abag3:~# hostname | cut -c1-3
hyu
Now I am trying to append "g" at the end of this output as in the following.
root@abag3:~# hostname | cut -c1-3 | sed -s... (4 Replies)
Discussion started by: Priya Amaresh
4 Replies
9. Shell Programming and Scripting
Hello,
I am having problem while redirecting output to a file where as on console output is proper.
for dir in */; do printf "%s, " "$dir"; ls -m "$dir"; echo; done > output.txt
Output of above command is coming in single line but when i am redirecting output to a file, single line i... (10 Replies)
Discussion started by: Manoj Rajput
10 Replies
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)