12-15-2011
What Operating System and version you you have?
What Shell or Programming Language do you use?
Do you actually want the characters ">=" in the output?
How many records? Unix Shell has trouble counting above 2^23 .
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Could anybody help me.
I need to create a script that reads a text file from STDIN and prints out the file to STDOUT with line numbers at the beginning of each line.
Thanks. (5 Replies)
Discussion started by: mascorro
5 Replies
2. Linux
How would I do that?
/Rutger (6 Replies)
Discussion started by: rutgerblom
6 Replies
3. Shell Programming and Scripting
Well here goes:
I tried to write a batch file that adds a specific fixed text to each line of an already existing text file.
for the adding text infront of each line I tried this:
for /F "delims=" %%j in (list.txt) do echo.STARTTEXT\%%j >> list.txt
for adding text after each line I... (0 Replies)
Discussion started by: pasc
0 Replies
4. Windows & DOS: Issues & Discussions
Well here goes:
I tried to write a batch file that adds a specific fixed text to each line of an already existing text file.
for the adding text infront of each line I tried this:
for /F "delims=" %%j in (list.txt) do echo.STARTTEXT\%%j >> list.txt
for adding text after each line I... (6 Replies)
Discussion started by: pasc
6 Replies
5. UNIX for Dummies Questions & Answers
how to add value/word at the beginning of each line in a file ?
i have file number.txt and the output is below
1000
1001
1002
1003
1004
i want to add 000 at the beginning of each line, desire output is below
0001000
0001001
0001002
0001003
0001004
and so on
please advise how... (5 Replies)
Discussion started by: jason6247
5 Replies
6. UNIX for Dummies Questions & Answers
Hi,
Need some help with sed.
I have a file that has sections :
e.g.
a=blah
b=blah
d=blah
e=blah
There's many sections in the file. (1 Reply)
Discussion started by: andyatit
1 Replies
7. Shell Programming and Scripting
Hi,
I have a specific requirement to add text at the beginning and end of a plain text file. I tried to use "sed" with '1i' and '$a' flags but these required two separate "sed" commands separated with "|".
I am looking for some command/option to join these two in single command parameter.
... (6 Replies)
Discussion started by: bhupinder08
6 Replies
8. Shell Programming and Scripting
Hi gurus,
I need add one new line in the begining of current file.
current file
abc
cde
add
xyz
output file
newline
abc
cde
add
xyz (6 Replies)
Discussion started by: ken6503
6 Replies
9. Shell Programming and Scripting
i am trying to
insert text at the beginning of every even number line
with awk
i can do it with odd number lines
with this command
awk 'NR%2{$0="some text "$0}1' filehow can i edit this command
thanks (5 Replies)
Discussion started by: bob123
5 Replies
10. Shell Programming and Scripting
SUSE linux
bash shell
this works
test -d /tmpp && echo "directory exists" || echo "directory doesn't exists" |sed -e "s/^/prefix /"
prefix directory doesn't exists
but why doesn't this work?
test -d /tmp && echo "directory exists" || echo "directory doesn't exists" |sed -e... (3 Replies)
Discussion started by: snoman1
3 Replies
LEARN ABOUT REDHAT
ppmdither
ppmdither(1) General Commands Manual ppmdither(1)
NAME
ppmdither - ordered dither for color images
SYNOPSIS
ppmdither [-dim power] [-red shades] [-green shades] [-blue shades] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input, and applies dithering to it to reduce the number of colors used down to the specified number of shades
for each primary. The default number of shades is red=5, green=9, blue=5, for a total of 225 colors. To convert the image to a binary rgb
format suitable for color printers, use -red 2 -green 2 -blue 2.
OPTIONS
-dim power The size of the dithering matrix. The dithering matrix is a square whose dimension is a power of 2. power is that power of
2. The default is 4, for a 16 by 16 matrix.
-red shades The number of red shades to be used, including black; minimum of 2.
-green shades The number of green shades to be used, including black; minimum of 2.
-blue shades The number of blue shades to be used, including black; minimum of 2.
SEE ALSO
pnmdepth(1), ppmquant(1), ppm(5)
AUTHOR
Copyright (C) 1991 by Christos Zoulas.
14 July 1991 ppmdither(1)