A string of characters displayed by interactive shells to signal the shell is waiting a user input. The prompt can be used to display variables and data about the enviornment.

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4
votes
1answer
105 views

Backspace deletes Bash prompt

I recently modified my Bash prompt via the $PS1 variable so that I could have color. It is in my .bashrc file: PS1="\\[\e[0;32m[\h::\W] >>\e[m " Now if I type something and then have to ...
1
vote
3answers
508 views

How to set the command(s) that get run before every single prompt?

I used to know this but I forgot: I want to execute a command or a couple of commands before every single prompt. When I am in our PROD box, I want a big fat reminder above every prompt that says * ...
-2
votes
2answers
58 views

Getting a propmt when deleteing a non-directory

I want to get a prompt when attempting to delete a non-empty directory with rmdir. Is this possible?
1
vote
1answer
36 views

why is EXPORT PS1 in my .profile getting clobbered?

In this question How can I get KornShell to display the date and time in the prompt? all the variables are visible in ksh except PS1 which appears to be getting replaced somehow. How can I determine ...
2
votes
1answer
40 views

How can I get KornShell to display the date and time in the prompt?

On my AIX box, which is using ksh as the default shell, I'd like the prompt to show both the date and time followed by a newline \n, along with the name of the machine, and the working directory. ...
1
vote
0answers
70 views

bash - complex prompt

I want to have really complex prompt. It should contains login, computer name, date, time, working directory, result of last command and new line symbol. I want to color each item as well. So I ...
0
votes
1answer
795 views

Changing title without changing prompt on Cygwin

I have the following shell script function from this site that allows me to change the title in both Putty and Cygwin. In Putty connected to a Linux host it changes the title and leaves the prompt as ...
3
votes
1answer
46 views

How do I stop a bash shell PS1 color to stop at the end of the command?

So simple question really, I have a custom PS1 colour where I have the actual shell commands in a distinct colour, just so I can quickly see what commands I typed and separate it from the command ...
13
votes
5answers
493 views

Stateful bash function

I’d like to implement a function in Bash which increases (and returns) a count with every call. Unfortunately this seems non-trivial since I’m invoking the function inside a subshell and it ...
1
vote
3answers
187 views

Is it possible to know when you're at the first bash prompt of a terminal?

This is sort of a contiunation of my last question: printing saving the last bash input command Now I want to know if it's possible to know when you're at the first bash prompt of a terminal. So I'm ...
1
vote
3answers
83 views

Problem when splitting command with backslash in unix prompt

I often use the space-backslash combination ( ) to split a command and its parameters into various lines and make it more readable: /home/user> ls -ltra \ > file1.txt \ > file2.txt ...
1
vote
1answer
1k views

busybox ash PS1 not expanding

I am trying to setup busybox's ash on an embedded system to support expanding the PS1 prompt statement. I have it currently set as PS1='\u@\h:\w\$ ' However, all that is displayed is literally ...
12
votes
3answers
309 views

Using variables to store terminal color codes for PS1?

In my .bashrc, I use ANSI terminal color codes to colorize various bits. It looks like this: PS1='\u@\h:\w\[\033[33m\]$(virtual_env)\[\033[32m\]$(git_branch)\[\033[0m\]$ ' where virtual_env and ...
0
votes
0answers
67 views

zsh/Prezto: difficulties with right prompt alignment

This may be stupidly simple, but... I am trying to make my own prompt for Prezto. I have been using numerous prompts for reference (I can post a list if necessary). My RPROMPT and cursor are refusing ...
1
vote
1answer
31 views

Identify python script is waiting for a manual input

I'm writing a shell script which executes a Python script. The Python script halts for a manual enter to be provided. However, I don't wan't to have to press enter each time to the script. Instead, I ...
6
votes
6answers
4k views

Bash: Display exit status in prompt:

GREEN="\e[1;32m" RED="\e[1;31m" NONE="\e[m" get_exit_status(){ es=$? if [ $es -eq 0 ] then echo -e "${GREEN}${es}${NONE}" else echo -e "${RED}${es}${NONE}" fi } ...
1
vote
1answer
34 views

csh: Is there a prompt outside of $prompt?

Consider this c-shell grab: [<my-user>@<my-host> ~]>echo $SHELL /bin/csh \033]30;<my-host-name>\007\c [<my-user>@<my-host> ~]>set | grep prompt prompt [%n@%m ...
1
vote
1answer
21 views

Display Present working directory in Terminal

I am complete newbie to Mac/*nix. This is what I presently see in Mac Terminal as always EN-AAABBBB:~ username$ Probably, my understanding is EN-AAABBBB is my Mac name and followed by username. ...
1
vote
2answers
59 views

Temporarily freeze a process upon shell interaction

Let's say on a single console I have tail -F running, showing the output of many log files in realtime. Sometimes I need to run commands there too, however, and examine their output briefly, without ...
2
votes
2answers
328 views

How can avoid these spurious characters in my bash prompt?

I have Fedora 20, and I would like to adapt the bash prompt to make it even more useful to me. At present my PS1 prompt is set by these lines in my ~/.bash_profile file: LP=" Last prompt at: " ...
71
votes
8answers
71k views

Colorizing your terminal and shell environment?

I spend most of my time working in Unix environments and using terminal emulators. I try to use color on the command-lin, because color makes the output more useful and intuitive. What are some good ...
0
votes
1answer
24 views

Is it possible to save in a log everything the system outputs when I turn it on?

I am using a BeagleBone Black without any screen. It works fine, but sometimes when I turn it on it hangs and have to reset. I do not know why this is happening and since I cannot see whatever it is ...
5
votes
3answers
370 views

What are the color codes that I can use in my PS1 prompt?

I used several colors in my PS1 prompt such as \033]01;31\] # pink \033]00m\] # white \033]01;36\] # bold green \033]02;36\] # green \033]01;34\] # blue \033]01;33\] # bold yellow Where can I ...
0
votes
2answers
84 views

How can I get my PS1 prompt to show time, user, host, directories and git branch

I've seen others add all this information to their PS1 prompt. I like the approaches that colorize the elements and also do a carriage return at the end
3
votes
1answer
117 views

Screwed up my bash prompt, what happened?

I just thought I might get version information about the current bash by entering bash -v That brought many lines of code to stdout and left me with a line that appears right above my usual promt ...
-1
votes
2answers
87 views

Update .profile in /etc in UNIX

How can i append the following text in .profile in folder /etc/security of UNIX OS? PS1='hostname -s':$LOGNAME'[$PWD]' i tried: print 'export PS1='hostname -s':$LOGNAME'[$PWD]' ' >> profile ...
2
votes
1answer
77 views

Get bash DEBUG trap to execute only once for and/or lists?

Suppose I set a trap on DEBUG like so: unset PROMPT_COMMAND # don't want $PROMPT_COMMAND triggering DEBUG trap trap 'printf %s\\n "most recent history line: $(history 1)" >&2' DEBUG If I do ...
16
votes
3answers
5k views

make my zsh prompt show mode in vi mode

I use bindkey -v (for bash-ers set -o vi I think that works in zsh too) or vi(m) mode. but it bugs me that I don't have any visual cue to tell me whether I'm in insert mode or command mode. Does ...
2
votes
2answers
52 views

How can I select a beginning…ending portion of a '/' delimited string (PS1 prompt in my case)

I am customizing my PS1 prompt, specifically the $PWD part which is delimited by /'s among several things I like having the current directory. However if the directory is too long I'd like to have ...
1
vote
2answers
352 views

Adding to PS1 in bash_profile

In my .bash_profile currently, I have PS1='\[\e[1;91m\][\u@\h \w]\$\[\e[0m\] '. I am trying to follow these commands to show branch name on iTerm terminal. I changed my PS1='\[\e[1;91m\][\u@\h ...
0
votes
3answers
511 views

Proper place to put shell prompt(PS1) when use sh/bash/zsh together

I'm using dash(sh) or bash or zsh. If possible, I would prefer to put in common place. I want to put proper PS1 settings when I interactive with shell, so these situation should be considered login ...
1
vote
1answer
92 views

Show path from project root in ZSH Prompt

If my pwd is ~/repos/blog/app/views/, I'd like to show only blog/app/views in the prompt i.e. I want to show only the project root. Project root is the parent directory of .git directory. Is there a ...
1
vote
1answer
36 views

Expansion in zsh prompt

I'm struggling with zsh prompt, trying to convert my bash prompt to zsh hooks. This code should display the current kerberos ticket and update accordingly, but colors don't work, neither does the ...
5
votes
2answers
4k views

Colored Prompt in KornShell

According to this StackOverflow post, it is possible have a colored prompt in KornShell. I have not been able to figure out how to do this. I am able to use color: echo -e "\033[34mLinux\033[00m" ...
3
votes
4answers
139 views

How do I output a suggestion for a user to accept and use as input?

What can I do to leave the cursor on the same line of the suggestion in a Bash script? Bash version = 3.2.51 It's purpose is to suggest a string so that the user should only press Enter. #!/bin/sh ...
3
votes
2answers
2k views

Is there a way to push shell config information when SSHing to a host?

I know how to set the GNOME-terminals (or xterms!) prompt to green/red regarding the last exit code: vi .bashrc export PROMPT_COMMAND='PS1="` if [[ \$? = "0" ]]; then echo "\\[\\033[0;32m\\]"; else ...
5
votes
3answers
250 views

change prompt formatting based on cwd

I use tcsh. I'd like to have my prompt formatting (coloring/highlighting) change based on the directory I'm in, or other critical aspects of my environment. I'm not enough of a shell hacker to know ...
10
votes
1answer
406 views

Clear old prompt lines in bash to save scroll space

My terminal theme used to be like this, But I thought the prompt wasted so much space. And later I got an idea that I could clean the prompt every time I ran a command. I was using bash, one of ...
0
votes
2answers
115 views

How can I shorten my customized PS1 prompt?

I currently have my prompt as durrantm@Castle2012-Ubuntu-laptop01:~/Dropnot/webs/rails_apps/linker (master) $ which I really like as it shows my username, machine, directory and git branch! How ...
1
vote
1answer
447 views

Changing text color in c-shell

I can change the text color in the terminal permanently by adding this: export PS1="\e[0;31m[\u@\h \W]\$ \e[m" to the .bashrc file. Now I have to go into cshell, what is the corresponding way?
1
vote
1answer
63 views

Bash: show prompts if arguments weren't provided

What is the best way of supporting in the script prompts and arguments at the same time? I want to show prompts if arguments weren't provided. Is there something better/shorter than this? ⇩ ...
2
votes
1answer
122 views

Android bash prompt corrupt with long pwd

I'm using bash inside Jack Palevich's Android Terminal Emulator, run on an Android phone. The bash version is 4.2.20(1)-release, obtained from samveen on the XDA forum. My prompt is: export ...
2
votes
2answers
1k views

How to change the prompt in Linux?

The default prompt will be root@monu dev]# Can we change the "root@monu" part and give it a desired name?
-2
votes
1answer
49 views

How to modify the shell prompt? [duplicate]

I would like to learn how to make my shell look like this: [user@host ~/Folder] $ instead of (the default): [user@host ~/Folder]$. Also, I'd like to have color on user@host and Folder. How can ...
1
vote
1answer
62 views

Problem with command promp cycling when using colors and trying to put git branches on the command prompt

tl;dr: I want my command prompt to be customizable with any color I want and also display the current git branch that I am on. I am aware that there are at least six different post asking an ...
6
votes
2answers
307 views

issue with terminal/prompt

I have an issue where if I type in very long commands in bash the terminal will not render what I'm typing correctly. I'd expect that if I had a command like the following: username@someserver ...
7
votes
3answers
336 views

How to include commands in Bash's PS1 without breaking line length calculation?

Tonin pointed out a bug in my default prompt. Minimal example: Set PS1: PS1='$(exit_code=$?; [[ $exit_code -eq 0 ]] || printf %s $(tput setaf 1) $exit_code $(tput sgr0) " ")$ ' At this point, the ...
5
votes
3answers
184 views

How to customize PS1 properly?

I customized my bash with this in my bashrc export PS1="\e[0;36m\h\e[m \e[0;33m\w/\e[m \e[0;31m\n\$ →\e[m " So I get something like this (with colors) : Ahuri ~/Public/ $ → But I am having ...
0
votes
1answer
280 views

Changing hostname doesn't change the terminal name

I had set my hostname while installing linux as "ankit". i want to change it to "ankit.centos". I tried changing hostname in /etc/hosts, /etc/sysconfig/network and sysctl kernel.hostname=ankit.centos. ...
-1
votes
2answers
395 views

Make my own basic shell [closed]

I know there are a hundred ways of doing this, but I'm just asking what is the most common way: How do I make my own terminal prompt? In other words, I want something like the shell where I type a ...