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

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1answer
66 views

Filtering the colored output of grep

I'm on OSX, but I suspect this doesn't make a big difference for this question. In my .bash_profile, I aliased grep to get color outputs by default: alias grep='grep --color=always' I commonly run ...
3
votes
1answer
85 views

Clear to end of line uses the wrong background color in tmux

In ZSH prompt expansion, the command %E is supposed to "Clear to end of line." This works: However, it does not work in tmux: The issue seems to be with BCE (Background Color Erase). In screen, I ...
3
votes
1answer
48 views

Can I/how to specify colors in hex or RGB in nano syntax highlight config?

I enabled syntax highlight in nano (PHP), but not happy with the default, I would like for example to have the comments displayed in very light grey. However, the documentation I found seems to ...
3
votes
2answers
849 views

Change color of input text, not output [duplicate]

I need to capture screenshots of the terminal where the typed commands visually "stand out" from the rest. Right now I'm using this to make my typed commands "red": PS1='\[\e[0;31m\]\u\[\e[m\] \[\e[1;...
3
votes
1answer
2k views

dircolors on zsh: Unrecognized keywords: MULTIHARDLINK, RESET & CAPABILITY

I am trying to get the solarized color theme to work in my terminal. I read the instructions here but I get the following dircolors error: dircolors: `/home/avazquez/.dircolors_zsh':90: unrecognized ...
3
votes
2answers
7k views

How to colorize “root” in red in CentOS?

This is the content of /etc/bashrc, I would like to modify it for show "root" as red but don't know where to add the color code. # /etc/bashrc # System wide functions and aliases # Environment stuff ...
3
votes
3answers
2k views

Solarized colors in st (simple terminal)

I want to use st with solarized colors like I can with urxvt (of course this is done via .Xresources, in st the colors are defined in a header file). I've tried to put the colors in st's config file (...
3
votes
1answer
155 views

OS X: Can `ls` show broken symlinks?

When in Linux, I enjoy having \ls -l --color=auto show broken symlinks with red text for the name of the symlink and blinking text for the missing linkee. But in OS X, \ls -lG (the closest thing I ...
3
votes
2answers
333 views

Yellow appears as brown in konsole

For some reason, the yellow color color (ANSI Esc. code 33), appears for normal fonts as orange/brownish in my terminal (yakuake, konsole). For example, the command echo -e "\\033[33mhello world\\033[...
3
votes
2answers
148 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 ...
3
votes
1answer
172 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: PS1='[\[\e[1;34m\]\u\[\...
3
votes
1answer
2k views

Why doesn't terminal show color schema once logged as root?

I'm currently using Debian 7 Wheezy, and I've noticed that the colors palette on terminal (which might be useful to identify among a large set of files and folders) are not enabled once I log as root. ...
3
votes
2answers
147 views

customise ls color for directories contain specified file/s

How can I colorize directories contain files with word INCORRECT inside? Example: I have 3 directories which contain log file. dir_a/log dir_b/log dir_c/log The file log in dir_c contain word ...
3
votes
1answer
848 views

Color script output only when invoked from interactive shell

I made a bash script producing colored output. The colors are fine when the script is called from an interactive shell. However, if the output is processed in another script, or passed through a pipe, ...
3
votes
0answers
90 views

Small script for updating GNOME Terminal 3.14.2 colours

Background With previous GNOME Terminal releases updating the colour scheme was a breeze. Just 5 lines of code were enough to do the trick. gconftool-2 -s -t bool /apps/gnome-terminal/profiles/...
3
votes
2answers
505 views

Defining color codes in rxvt-unicode

Using some of node.js tools like mocha in my urxvt terminal, I have some problems with coloured output. Some of the text that are using colour code 90 as you can see here will be disappeared in ...
3
votes
0answers
893 views

How to change colors of all running urxvt instances?

I'm used to black background and light green text when working on my urxvt terminals. But sometimes, when I take my laptop outside, it becomes hard to read and I'd like to change the colors of all my ...
3
votes
1answer
500 views

How can I reproduce solarized theme colors with xcalib for reading pdf's

How can I reproduce solarized theme colors with xcalib for reading pdf's? I want to use xcalib such that I can read (black and white) pdf's with evince such that the background is like that one I am ...
2
votes
5answers
586 views

ls | grep works doesn't work with ls --color

I'm trying to list all hidden dirs with the following command ls -lhAF1 | grep -E '^d.*[0-9]{2}:[0-9]{2} \.' which works perfectly fine Explanation for Regex: I'm trying to get all rows that ...
2
votes
4answers
670 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
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votes
2answers
2k views

How to change the background color of curses applications?

I hate that blue background which is everywhere in ncurses applications like: irssi, mc, tig, … I want to change that color, how can I do it? I know that midnight commander has themes, but what about ...
2
votes
3answers
591 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 ...
2
votes
1answer
4k views

A more readable ps

Are there any tools that improve the readability of ps in the same spirit as ack for grep? This would be especially on OS X where ps does not even have options such as --sort user. So far the nicest ...
2
votes
2answers
56 views

Bash colors defined in .bashrc behaving oddly. I can't figure it out

When I type ls -l my command color defined in .bashrc is only used on the first item up until the directory or file name which has its own color defined. The proceeding lines seem to get a default ...
2
votes
2answers
115 views

sed - find correct color sequence for ANSI extended 256 colors

I am currently using the following command to use the standard ANSI colors with the tail command: tail -f syslogfile | sed -e 's/\(.*MAJOR.*\)/\o033[93m\1\o033[39m/' This is bright yellow however I ...
2
votes
1answer
155 views

Set default color for top

How do you set the default color for top? Right now there is a red that I can barely read. You can toggle from mono to color with z or set it up more thoroughly with Z. But none of those settings ...
2
votes
2answers
1k views

256 Colors in xterm and tmux [in FreeBSD 10]

So these past few days I am working to make Xterm and tmux show all the 256 colors available in them by default. I reach these conclusions: for tmux to show 256 colors you have to make xterm to ...
2
votes
3answers
3k views

How to force lp from CUPS to print in grayscale?

I want to print an image from a command line: lp -o scaling=//100// image.jpg How can I force it to be printed in grayscale?
2
votes
2answers
7k views

Why the differences in color between SSH terminal sessions in OSX?

I'm trying to get the colors in an SSH terminal session with a CentOS machine to look the same as it does when I'm SSH'd into my Ubuntu server. If I run echo $TERM in both I get xterm-color as output....
2
votes
3answers
15k views

How do you display xterm colors with putty/bash?

Putty has this "allow terminal use xterm 256 colour mode" that I'd like to use, but I don't know how. I've been using a color.sh script to output echo statements and commands with colors, and I want ...
2
votes
1answer
33 views

In the SGR number 38 and 48, where do the 2 and 5 numbers come from?

In multi-color-compatible terminals, one can set a color from a 256-color palette by using ESC[38;5;Nm, and any RGB color using ESC[38;2;R;G;Bm. I've been wondering though, where do the "2" and "5" ...
2
votes
1answer
62 views

Clear to end of line uses the wrong background color in screen

In ZSH prompt expansion, the command %E is supposed to "Clear to end of line." This works. We see it in the grey bar going all the way across. However, if I call "screen", the %E stops working: ...
2
votes
2answers
570 views

Urxvt: change background color on the fly

Is there away to change the background color of a rxvt-unicode session on the fly? Like with Ctrl key? I have a bunch of Urxvt windows and I would like to color some dynamically to help me ...
2
votes
1answer
269 views

No colour in MOTD

I recently bought a Raspberry Pi, and have started playing around with it. After changing my MOTD, (to include colours), the colour codes are coming up as raw-text instead of executing. I am ...
2
votes
1answer
216 views

Printing filled shapes in terminal

I'd like to print some shapes filled with the current color or a selected one (e.g. \e[31m) My aim is to print a filled circle (letter o) on the screen but the background will stay as it is. finally ...
2
votes
2answers
2k views

How to change variable color in vim solarized theme?

I have just installed solarized theme for vim from https://github.com/altercation/vim-colors-solarized But the problem for me is that the background stays black and I have the variable names in ...
2
votes
1answer
646 views

Is there a way of color-highlighting paired brackets in shell (bash)?

Does anyone know if there is a way reproducing the same behaviour many text editors provide for colour-highlighting the syntax operators such as brackets or curly brackets. It would be very useful for ...
2
votes
1answer
564 views

How to capture text formatting in bash?

The following shell script works but removes colored formatting generated by rspec: #!/bin/bash OUTPUT=`rspec` echo "$OUTPUT" How to preserve the colors?
2
votes
1answer
4k views

Terminal does not source .zshrc with custom colors for ls and cd command

I customized the directory and file colors for ls and cd + TAB. Here is my configuration. My configuration My system environment. Ubuntu 10.10 zsh 4.3.10 (x86_64-unknown-linux-gnu) oh-my-zsh // ...
2
votes
1answer
41 views

tools for coloring command line output of “dict”?

is there an existing solution somewhere to color the output of dict to improve its readability? I know i could manually color the output using tput, but i hope for a better solution. (i don't want ...
2
votes
3answers
38 views

Is there a way to colourize the output of a command without using bashrc/bash_profile?

I have made a program where I can read several logs from different programs, I want to colourize certain terms in the output , so I can find the more interesting parts. (I will not use grep or ...
2
votes
1answer
417 views

How to reset Kate default color schemes?

I accidentally changed some of Kate's default color schemes. How do I set them back to default? I tried reinstalling (including with the option to remove config files) but it kept my changes.
2
votes
1answer
233 views

change terminal appearance according to server

I have 2 different serves (all running Linux) to which I connect via ssh . After login all terminal background looks same. I want to have different color theme or background for different servers. For ...
2
votes
2answers
686 views

Format terminal output to show apt-get upgrade errors in RED

I have a very simple bash script written for my Kali Linux distro so I don't have to run apt-get update, apt-get upgrade, apt-get dist-upgrade, apt-get autoclean, and apt-get autoremove every time I ...
2
votes
1answer
1k views

vim: Use different colorscheme when connected over SSH

On my desktop I use the hbrid color scheme in vim, with the preferred colors set for my consoles 16-color palette (as described in the README). However, on my laptop, I use the solarized color scheme,...
2
votes
1answer
283 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 ...
2
votes
1answer
99 views

How do I change the colour of all lines to red begining with a % symbol?

When I use sed -i "s,.*%.*,$(tput setaf 1)&$(tput sgr0),g" A.log the whole line vanishes and when I use sed -i "s,^%.*,$(tput setaf 1)&$(tput sgr0),g" A.log only the first character(%) ...
2
votes
2answers
900 views

How can I list LS_COLORS in colour?

I recall that eval "dircolors -b" used to display the colours that LS_COLORS was using, based on the file types or extensions. It was not simply the colour values that were displayed but the colours ...
2
votes
2answers
3k views

Setting up LS colors with a human-readable script in tcsh

I have a shell script (set_up_my_ls_colors.sh) that, if I call from my shell, it configures my color scheme for ls. The nice thing about the script is that it allows me to configure colors in a human-...
2
votes
1answer
384 views

Coloring line numbers in less?

Please consider the following example: $ grep --color=always -n 'Format\|Files' /usr/share/doc-base/doc-base | less -R Here, grep will color also the line numbers of the matches, and less will ...