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Full Discussion: How to change color when doing echo in tcsh?
Top Forums UNIX for Dummies Questions & Answers How to change color when doing echo in tcsh? Post 302589249 by kristinu on Wednesday 11th of January 2012 05:46:40 AM
Old 01-11-2012
An example is

Code:
echo "\033[1;31m Hello \033[0m"


The '31' and the '1' are the things you change. The '31' is the color code, and the '1' is where you put whatever you want to color. The rest of it is the same for every color coding; the beginning starts coloring, and the stuff afterwards stops coloring ('0' switches it back to default text color). You can use the following color codes:

Code:
30 - black
31 - red
32 - green
33 - yellow
34 - blue
35 - magenta
36 - cyan
37 - white

You can make a pretty nice prompt with it. Also, you can modify it further by including another control char:

Code:
%{\033[1;31m%}%m%{\033[0m%}


In this case, the '1' will make the following color bold. You can use the following modifiers:

Code:
0 - normal
1 - bold
2 - normal again
3 - background color
4 - underline the text
5 - blinking

You can also specify both a foreground and a background color.

Code:
echo "\033[5;41;1;37m   *** ERROR ***   \033[0m"

This User Gave Thanks to kristinu For This Post:
Scott
 

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LEARN ABOUT DEBIAN

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)
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