It is possible to use colors on the Unix command-line interface.

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1answer
910 views

What are the origins of rgb.txt?

Where did the list of X11 color names come from? Every resource I've found online claims the origin is unknown, but it must be recorded somewhere. The best information I've found was in an archived ...
6
votes
1answer
5k views

Color calibration on Linux Mint

I'm running Linux Mint 9. I installed Argyll and gnome-color-manager but neither of those have a GUI. I need to configure my monitor colors. Right now the white looks a little yellow etc. and I want ...
6
votes
2answers
1k views

emacs colors based on $TERM environment variable

I want to know if it is possible to make emacs, when running in a gnu screen or tmux session, use the same colors as when TERM=xterm. In a gnu screen or tmux session, TERM=screen and emacs uses a ...
6
votes
2answers
2k views

Invert colors in whole PDF (convertion)

How to create pdf with inverted colours of original one? (Just like inverting whole screen with xcalib -i -a) Preferably : not loosing hyperlinks. But it's not requirement. It would be nice if ...
6
votes
1answer
1k views

Is it possible to use named colors in Zsh beyond ANSI names?

I know there are ways to use ANSI color names in Zsh (such as red), but Zsh supports 256 colors by number. I'm curious if there's any way to refer to the non-ANSI colors by a name? (Without just ...
6
votes
1answer
998 views

How to change background color of a pane in tmux?

I would like to change the background color of the inactive panes in tmux to better distinguish between the active pane and inactive panes. Something just a few shades different than the default. How ...
6
votes
1answer
1k views

Program similar to xcalib to invert desktop colors

I'm using xcalib to invert colors on my computer at home. I have two monitors at work, and unfortunately the xcalib -i -a inverts only one of them (the one I don't want to invert). I haven't found any ...
6
votes
2answers
334 views

How to colourise hidden files in `ls` file listings?

LS_COLORS environmental variable lets you decide on colours for different file types for ls command, such as, directories, regular files, links etc. I suppose that dot files are considered a variation ...
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votes
2answers
5k views

Change colors in console/virtual terminal

Is there a way to alter all the available colors in console / virtual terminal? By console, I mean what you get after pressing CTRL + ALT + F1 and not anything like xterm or urxvt. So, I guess that ...
5
votes
3answers
1k views

Colored text set up with PS1 and colored output from commands mess each other up

I have PS1 that ends with an opening color sequence (like \[\e[0;32m\]) to have all text in the terminal colored (green in this case). However, when I use a command such as ls (which is aliased to ls ...
5
votes
2answers
498 views

Man page highlight color

To colorize my man pages, I put this code from archlinux.org into .bashrc: man() { env LESS_TERMCAP_mb=$'\E[01;31m' \ LESS_TERMCAP_md=$'\E[01;38;5;74m' \ LESS_TERMCAP_me=$'\E[0m' \ ...
5
votes
2answers
342 views

How do I preserve coloured output when piping to `less -R`?

$ ffmpeg -v debug ... Coloured output. $ ffmpeg -v debug ... |& less -R Dull output. How do I make the output coloured while piping it to something?
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votes
2answers
150 views

Background color whitespace when end of the terminal reached

I am working with control sequences for text formatting and have stumbled upon some unexpected behavior. I have some text to output, in the middle of this text there is some smaller text block ...
5
votes
1answer
322 views

How do I store colored text in a variable and print it with color later?

If I do git status --short, git lists files that are not tracked with two red question marks in front: I'm trying to store this in a variable and print it with color later. Here's my bash script: ...
5
votes
2answers
199 views

How would I add a prefix to input I receive from a pipe via awk and color the prefix conditionally?

Is there a way to add a prefix to lines received (and filtered) via awk - yes I know that's possible so far - and then conditionally (e.g. based on the existence of the $PS1 variable of the ...
5
votes
1answer
2k views

How can I keep color codes with grep input?

It I grep something twice: ... | grep foo | grep bar It seems foo is not highlighted. Infact, it seems grep removes colorcodes from its input; Any way to prevent this?
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votes
2answers
1k views

How do I extract the colours from a PDF?

I have a PDF and I want to verify the colours being used (check that they match our corporate colour scheme for instance). Specifically, I want to check that the correct CMYK colours are being used. ...
5
votes
5answers
10k views

In bash how can I change the color of my command prompt? [duplicate]

Possible Duplicate: How to customize .bashrc to configure command prompt? When I run a command, I often times have trouble finding the beginning of the command output. An easy fix to this ...
5
votes
4answers
306 views

Coloring output of forked processes

I have a runscript that starts some processes and sends them to the background mongod & pid_mongo=$! redis-server & pid_redis=$! # etc. All these processes then output concurrently to ...
5
votes
1answer
1k views

GNU screen color and pine

I use GNU screen to run pine mail reader. I use external aspell to do spellchecking for the e-mails I sent. The problem is that when aspell finishes, pine restores the old content of the terminal, but ...
5
votes
1answer
159 views

rlwrap -z pipeto: piping output through pagers

I am using rlwrap to colorize prompt in asterisk CLI: rlwrap -s 99999 -a -pRED /usr/sbin/asterisk -r I read in man rlwrap that I can also use rlwrap -z pipeto to pipe output through a ...
5
votes
1answer
249 views

Strip color on OS X with BSD sed (or any other tool)

I'm on OS X, which has a BSD version of sed (which I'm guessing is inferior to a GNU version on Linux), and all the techniques for removing color on commandlinefu.com did not work. I tried replacing ...
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votes
2answers
3k views

Set urxvt to work with 256 colors

I had spent so much time to try to get urxvt to work with 256 colors. I am using Ubuntu. I have followed a part of this post cd ~ infocmp -L rxvt-unicode > rxvt-unicode.terminfo vi ...
5
votes
1answer
755 views

Set tmux status line color based on hostname

I'd like tmux to pick a color dynamically based on the hostname of the machine. Since I share my tmux.conf across several machines, assigning an unique color for each of those hosts would be handy ...
5
votes
2answers
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how to make XTerm never use bold characters?

I am trying to make XTerm to never use a bold font, and nothing seems to work. I put settings in ~/.Xresources and then run xrdb ~/.Xresources and then start a new XTerm. This is what I try: ...
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votes
2answers
590 views

how to edit and color bash's tab completion list

Following is what i would like to have. When the tab completion is ambiguous, and bash prints the list of possibilities. I would like it to colour the next character I should press inside every word ...
5
votes
1answer
438 views

Linux VT Emacs in tmux, breaks color and cursor

TERM is set to screen. I tried with screen-256color, but then the colors went really nuts. I also tried xterm, linux, and some others (that I could think of, not really thinking) but screen is the ...
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votes
3answers
1k views

Prevent watch breaking colors

I'm altering scripts at work that monitor log files to single out certain items and colorize them. The final output is a list of 6-digit numbers in several columns. I've been able to add a ~ to the ...
4
votes
3answers
753 views

cascaded grep matches color code as pattern

I am piping output of one grep comand into another grep. The first grep is using --color=always, so that the first match is colored. In practice, that means that the match is enclosed between two ...
4
votes
4answers
5k views

How do you colorize only some keywords for a bash script?

I am running some unit test code. The unit test code outputs regular text. There is a lot of the text so I want to highlight for the user important keywords. In this case the keywords are "PASS" and ...
4
votes
2answers
3k views

256 color in Linux console

I have in my .bashrc export TERM=xterm-256color but this cause blinking all colored text (ls --color, in vim etc.) in a Linux console (Ctrl+Alt+F1). So is there any possibility to recognize in ...
4
votes
2answers
924 views

How to prevent a Qt/GTK app (Calibre) from using colors defined in .Xresources?

I have colors defined in .Xresources. They look lovely on urxvt, and utterly ghastly on Calibre. Calibre does not appear to have any way to disable or override those colors, so is there any way I can ...
4
votes
1answer
974 views

How can I get less or cat to use color in the output from .cat of my .bashrc, similar to vi 'ing it?

When I vi my .bashrc file it is colorized, i.e. but when I cat or less the file I get all white, i.e. How can I get cat (and less) to have color? cat does have color for my ruby .rb files but ...
4
votes
1answer
41 views

Turn off color in bash for logs

I am running Ansible on multiple machines and redirecting the output to a file, say log-$(date), which is mailed to me every day. The output file has multiple text colors, how to turn them off? ...
4
votes
1answer
2k views

Visualizing ansi color escape codes in log files correctly in Emacs [duplicate]

I have some log files that have ansi-color codes in them. When I open them in Emacs I see garbage:           As an example, I run the following: ls --color=yes -ald -- * ...
4
votes
1answer
1k views

Is there a way to temporarily change the terminal colour?

I use the gnome-terminal and most of my editors with a white on black theme as I find its easier on the eyes. One of my labs requires screenshots of the terminal (with the process) to be submitted ...
4
votes
2answers
138 views

Sorting strings with ANSI escape codes

I am trying to print a sorted list of all zsh options, with set options colored green and unset options colored red. I cannot get sort to work properly with on the colored lines though.The below ...
4
votes
1answer
124 views

Fine-tune LS_COLORS for directory suffixes?

I’m fine customizing most settings in LS_COLORS. I don’t need help customizing the colors for different file suffixes. What I would like to do is configure special colors for certain directories, ...
4
votes
3answers
535 views

Preserving color output with cut

Using bash interactively I am trying to use cut to prevent the lines from going longer than my terminal width. But when using a command with colorized output all the color gets removed by cut. For ...
4
votes
1answer
1k views

Pass colors from ls through pipe to awk 'print' statement

This is a follow-up to my question from yesterday, Show sum of file sizes in directory listing. Thanks to Zero Piraeus and a point in the right direction by Mauritz Hansen, I now have function ...
4
votes
2answers
13k views

How to change font colors in terminal?

I know how to change the font color via preferences, but it changes the color of ALL text, as in below:     What I'm going for is something more like this:     Any ...
4
votes
1answer
167 views

What's the problem with terminals vs colors?

I'm a long time linux/unix user, as almost anyone working with this kind of OSs I use the terminal or a terminal emulator a lot, but I never understood why it's so hard for any GNU/Linux distribution ...
4
votes
1answer
1k views

watch command not showing colors for 'git status'

I'm trying to get watch to display colors from 'git status'. I've tried running watch with the --color option, as suggested elsewhere here, but, still, watch --color 'git status' doesn't display ...
4
votes
1answer
2k views

How do I change my monitor's gamma settings?

How do I change my laptop monitor's gamma settings on Linux Mint 9 (preferably using a GUI interface)?
4
votes
1answer
348 views

Set ls color listings based on regex instead of globbing

Is it possible to set regex patterns for color matching in the LS_COLORS variable? So instead of just *.jpg=38;5;220 Can I do \.(jpg|gif)=38;5;220 That's just an example, I'd like to get more ...
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votes
2answers
2k views

Convert PDF from sRGB color space to CMYK

Does anyone know how I can convert a PDF (or EPS) file from sRGB color space to CMYK color space? My workflow is currently the following: Draw an image with Powerpoint Print via postscript printer ...
4
votes
2answers
2k views

Xresources color settings

I'm using Gentoo with XMonad and set all the colors in .Xresources file. The problem is that for some apps setting *.background and *.foreground is not enough since they override the settings for some ...
4
votes
1answer
812 views

Is there a Vim syntax file for ANSI-colored output of CLI apps?

I have quite a lot of Perl scripts which print colored output to the terminal, using Term::ANSIColor. This is the same as when a shell script does e.g. echo -e '\e[1;31mError:\e[0m Your fault.' ...
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votes
3answers
1k views

Overriding the shade of color displayed

I have to work on systems which display some colors that are hard to read. I ssh into these systems, but don't have management permission to change the colors they display. Is there any way I can ...
4
votes
3answers
3k views

Make terminal text color different when in ssh session

Is there a way to make my terminal (konsole) display different text colors when I'm in an ssh session WITHOUT modifying the remote host's color configuration? Like, maybe automatically switching to a ...