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

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186 views

How to colorize `gcal`

I'm using gcal. http://www.gnu.org/software/gcal/manual/gcal.html Is there easy way to make Saturday blue and Sunday red? If there is another CLI program that provides the same functionality in OSX, ...
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1answer
2k views

tmux, Vim and Solarized

Premises Browsing around tmux, Vim and Solarized I can find lots of complains about 256 colours and "user experience". Well, I'm having the opposite "problem", i.e. Vim works well with a full ...
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3answers
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tmux, TERM and 256 colours support

Introduction My question arises from the necessity of understanding why I have now (after multiple trials) Terminal and tmux supporting 256 colours and tput colors telling me there are only 8 of ...
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1answer
36 views

Why dircolors don't return enything for bash called from php

I have this code in php: header("Content-Type: text/plain"); exec("/bin/bash -c 'dircolors -b'", $result); echo implode("\n", $result); but it return LS_COLORS=''; export LS_COLORS Why I'm not ...
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3answers
309 views

Bash in php exec in webpage don't colors for png and mp3 files on Linux

I have code like this in php: header("Content-Type: text/plain"); exec("/bin/bash -c 'ls --color=always'", $result); echo implode("\n", $result); and I've got result (escape is not visible) ...
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Bash in php exec don't color png and mp3 files on Linux [duplicate]

I have code like this: header("Content-Type: text/plain"); exec("/bin/bash -c 'ls --color=always'", $result); echo implode("\n", $result); and I've got result: Makefile README Yann Tiersen - ...
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1answer
1k views

How to change a font/background color in transparent windows?

When you select something, the color of the selection usually changes to the font color, and the font color is being set to backgroud color. So, if you have a black background in a terminal, and the ...
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26 views

How to add color to my command prompt? [duplicate]

On my system: echo $PS1 prints: \[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\u@\h:\w\$ I followed this tutorial here to modify it: PS1="\e[0;38m \u@\h: ...
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1answer
139 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 ...
3
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1answer
112 views

Customizing less colors

When using less in OS X, how can I customize the colors with with things are displayed? When I run less within an ansi-term in Emacs the colors don't come out nicely. $ less --version less 418 ...
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1answer
275 views

set tab color in a tabbed terminal emulator

I would like to set in my terminal emulator (i.e. gnome-terminal) the color of the tabs like in the osx's terminal emulator. Is there this feature in any of the linux terminal emulator plethora? ...
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2answers
695 views

Using empty line as context “group-separator” for grep

I need grep output with context, in color, and blank lines as group separator. In this question, I learned how to define custom group-separator, and I have constructed my grep command like this: grep ...
9
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1answer
173 views

colorize bash_completion

When I type grep and then press TAB twice, bash_completion will list files and directories in current directory. It will also complete filenames when I type initial letter. That is all very nice, the ...
3
votes
2answers
114 views

Why does the Linux virtual terminal support only 16 colors, by default?

Why does the Linux virtual terminal support only 16 colors, by default? Is there a particular reason for this?
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1answer
502 views

Linux TTY Colours

I've had this issue for a little while now on a few machines, but never thought to ask anyone. Upon installing a new laptop the other day, and using the virtual terminal for a bit, I noticed that ...
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3answers
386 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 ...
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1answer
1k views

Non-printable-ASCII characters in sshd banner

It's possible to configure a banner for sshd that is to be displayed as a connection is opened, via Banner /etc/motd.ssh in sshd_config. Note that this is displayed before the authentication occurs, ...
6
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1answer
413 views

How to highlight logs with bash coloring on vim?

I have some nicely colored logs from some tools with bash color codes. When I view them through less or similar tools it get color rendered by bash (obviously). However it is pain to watch and edit ...
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1answer
1k views

Documentation on LESS_TERMCAP_* variables?

I see these pretty colors in manpages viewed with less when setting a bunch of these variables. What do they mean, where is the documentation? Is this interpreted by less or termcap? screenshot
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2answers
708 views

How to change background and text colors in Yakuake?

I like Yakuake, but I don't like the grey background color. I want to change the background and text colors of the Yakuake terminal. I checked the options, but the background color option is only ...
9
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2answers
2k views

tmux copy mode search highlight

Is there any way to highlight the searched term in tmux copy mode? Below is my tmux config: # remap prefix to Control + a set -g prefix C-a unbind C-b bind C-a send-prefix bind a send-prefix # ...
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0answers
703 views

Unable to change xterm colors from .Xresources

I'm configuring the look of xterm modifying the .Xresources but I'm having some trouble changing the colors. I tried with XTerm*vt100.background: #000000 XTerm*vt100.foreground: ...
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4answers
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How to turn off color with `ls`?

It is normally nice to have color output from ls, grep, etc. But when you don't want it, is there a switch that can turn it off? ls -G turns it on (with BSD-derived versions of ls) if it's not the ...
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1answer
104 views

Use a custom colourscheme in Vim

I have customized a color profile for Vim (toto.vim) in the colors folder at : /usr/share/vim/vim74/colors Now, to use it, I am obliged to call it each time I start vim, using the command : ...
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1answer
3k views

How can I list the available color names?

I'm trying to add some color to my git configuration and I want to know what color names are available on the terminal. I only want to use colors by name so it's easier for others to understand I ...
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2answers
927 views

Can the empty spaces/background in a terminal be replaced with a random(but pretty) pattern of ASCII characters?

Context and Question There are many ways to colorize the terminal and shell environment. The output of individual commands, such as ls and grep, can also be colorized. Not directly related but ...
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1answer
125 views

How to show console color in Emacs shell

When I run a command by smart-compile, I get string like this. [32mYour bundle is complete![0m [32mIt was installed into ./vendor/bundle[0m I think [32m and [0m represent color in console. Is ...
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2answers
107 views

Command working from CLI but not from script

I have a command that I use from the CLI to properly color files, folders, executables, etc. The command that I'm executing looks like this: test -r ~/.dircolors && eval "$(dircolors -b ...
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1answer
885 views

Echo/Printing text in the color of a given hex code (regardless of Xresources/Xdefaults)

is there any way to echo/print text in the color of a given hex code (#000000, #FFFFFF, etc.) regardless of one's own Xresources/Xdefaults color definitions? Like, if Bob had in his ...
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0answers
126 views

Screen caption custom colors

I am having trouble customizing the color of my caption in screen. I can use the 8 standard colors supported (as well as their brighter versions), but I am unable to define a custom color. The docs ...
2
votes
1answer
170 views

Capture colors with tmux buffer copy (hardcopy)

I am using the following line in tmux for getting a "hardcopy" feature like in GNU Screen: bind H capture-pane \; save-buffer -b 0 ~/tmux.hardcopy \; delete-buffer -b 0 However, the ANSI colors are ...
4
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2answers
343 views

bold text when using 256 colors

I am configuring colors in Mutt, but I think my problem is general to linux terminal. For the 16 predefined colors (such as red) I can make it bold, by specifying brightred However, when using 256 ...
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3answers
420 views

How can I tell echo/printf in Bash to swallow escape codes, based on a condition?

I have a Bash script that is being run interactively and as a cron job. When run interactively it outputs colored text on the terminal. However, when run in cron it doesn't have a terminal and ...
4
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1answer
210 views

How can I colorize head, tail and less, same as I've done with cat?

I've got 'color cat' working nicely, thanks to others (see How can i colorize cat output including unknown filetypes in b&w?). In my .bashrc: cdc() { for fn in "$@"; do source-highlight ...
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1answer
393 views

How can i colorize cat output including unknown filetypes in b&w?

I like the colors I have in vim. Can I get my output similarly colorized when I do a cat? I like that I can use the colorize tool as in Colorized `cat` for source and script files?. I would like that ...
3
votes
1answer
112 views

How to set light colors instead of bold in PS (shell prompt)

I have an Archlinux installed on headless RaspberryPi. I'm using SSH to connect to it. I've added some colors to bash with editing sudo nano /home/pi/.bashrc and adding: ...
3
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2answers
112 views

dircolors: rules for _ext (rather than .ext)

In UNIX, many file extensions do not contain the dot in front, as in bashrc rather than bash.rc or ssh_config rather than ssh.config I would like to add dircolor rules for _config as well. However, ...
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3answers
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What causes this green background in ls output?

There are two directories shown by 'ls'. Normally directories anywhere are blue on black background. But the first one is blue on green and impossible to read. Why is this? How to make it blue ...
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3answers
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dircolors: modify color settings globaly

I understand ls uses dircolors to display colored output. dircolors has default database of colors associated with file extensions, which can be printed wiht the command dircolors --print-database ...
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1answer
172 views

mc: customizig colors with skins

I am editing the default skin for midnight commander and I would like to add some more rules for file highlighting. In the filehighlight section, there are several categories, for example archive=red; ...
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2answers
292 views

mc: edit skin color

I am trying to edit color skins for midnight commander. When using 256 color palette, the colors are called color1 to color255. I am looking for particular tone of blue. Is there a palette of all 256 ...
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2answers
2k views

bash PS1 256 colors with bold

I want to list all colors that I can use in bash console. And after it I want to set my prompt to be bold and orange like color. I'm using this to do listing color codes for me: for code in {0..255}; ...
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“Friendly” terminal color names in shell scripts?

I'm aware of libraries in languages such as Ruby and Javascript to make colorizing your terminal scripts easier by using color names like "red". But is there something like this for shell scripts in ...
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0answers
41 views

How to get 256 color support in a login shell TTY? [duplicate]

I want to experiment with a fully text-based environment, however, the only thing that is stopping me - is getting 256 colors so my Vim color schemes could work perfectly. When I enter a TTY by ...
6
votes
1answer
810 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 ...
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4answers
385 views

How to change color of a character while tailing and tr

I regularly use this command line but I would like to change the color of the "|" to green in the output. Does anyone know how I can accomplish this? tail -f file.log | tr '\001' '|' | grep TEST
36
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5answers
25k views

vim - better colors so comments aren't dark blue?

Mostly I edit ruby files, although shell script file comments are also # Currently my comments show as dark blue on black which is really hard to read. See screenshot. How can I change their color? ...
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2answers
1k views

Color scheme is lost on shell change

My default login shell is ksh which shows my default color scheme which i set via putty. But when i change my shell to bash my color scheme is lost. Is there a way to retain the color scheme? EDIT: ...
2
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1answer
203 views

Emacs Key-binding and the TERM variable

I changed the value of TERM to screen-256color from xterm and it effects the key-bindings in Emacs. Mainly the bindings that use the arrow keys now inserts A,B,C,D instead of running backward-word and ...
7
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3answers
182 views

Getting unexpected colorized output on several commands

I just added this to my .bashrc to get colorized output with less: # Colorize less man pages. export LESS_TERMCAP_md=$'\e[01;34m' export LESS_TERMCAP_us=$'\e[01;33m' export ...