Zsh is a shell with many advanced command-line and scripting features.

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3
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1answer
69 views

Zsh gpg2 autocompletion

I am using zsh with oh-my-zsh on OSX. I installed gnupg2 from homebrew giving me the executable gpg2. Unfortunately zsh auto completion appears to only support gpg (even though that executable is not ...
1
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0answers
20 views

Is there a better to find out the script location which is part of a zprezto module?

I am writing a custom module to extend the zprezto framework for myself. The goal is to be able to start a tmux with proper configuration by name. Here is the code of the init.zsh of my custom module: ...
9
votes
3answers
2k views

Is there a way to add a directory to my PATH in zsh only if it's not already present?

Is there an easy way in zsh to add a directory to my PATH only if it's not already present? (or, more generally, any environment variable). I've tried: PATH+=/my/directory ... but if that's ...
5
votes
3answers
4k views

How do you “disable” oh-my-zsh (and zsh) without uninstalling it?

I was trying new dev environments including zsh and oh-my-zsh. Now that I have installed oh-my-zsh, it starts by default on my terminals (iTerm2 and terminal) always start with zsh and with the ...
1
vote
1answer
99 views

Ctrl-Arrow does not work anymore after installing Prezto

I have this in my .inputrc: "\e[A": history-search-backward "\e[B": history-search-forward set show-all-if-ambiguous on set completion-ignore-case on # mappings for Ctrl-left-arrow and ...
3
votes
1answer
200 views

Combining zsh’s tab completion with case insensitivity

I have zsh 5.0.7 configured to use case-insensitive tab completion with zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' The problem I’m having is that this case insensitivity often leads ...
4
votes
1answer
163 views

Tab autocompletion of accented characters with oh-my-zsh doesn't work

I am not able to properly display autocompleted filenames that contain accented characters like ã in my shell configuration of zsh and oh-my-zsh. I've created a filename cão.txt to demonstrate this ...
1
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1answer
132 views

How to turn on tab completion in zsh/prezto?

I have installed prezto and trying out zsh. However tab completion is not on by default. What is the best way to enable tab completion in prezto?
2
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0answers
44 views

Why does select-word-style stop me from using backward-kill-word for leading whitespace?

If I have just some whitespace at be beginning of my zsh prompt, I can usually ^W (backward-kill-word) it away. However, as soon as I load select-word-style - even if I don't select any special style ...
4
votes
1answer
189 views

Why is `setopt nohup` required to make `nohup watch` work in zsh?

In zsh, setopt nohup seems to be required to make nohup work, as follows: # nohup does not work without setopt nohup ➜ /tmp zsh ➜ /tmp nohup watch ls & [1] 31556 nohup: ignoring input and ...
0
votes
1answer
29 views

Is there a valid way of exporting a variable across different shells?

For some reasons, Im using ksh and zsh in my scripts and returning to -bash, I need to use already set variable values in the spawned shells, writing it to some temp file and using that didn't look ...
1
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0answers
45 views

How can I complete a -N numeric parameter?

I'm writing an autocomplete script for supervisorctl. Is it possible to complete a numeric parameter such as -6, -999 etc? Currently my call to _arguments looks like, which doesn't work: _arguments ...
2
votes
1answer
105 views

terminal converts first letter to uppercase

After a $ vagrant ssh into a Centos 7 VM, - If I type a command in the VM terminal that uses zsh shell, the first letter gets uppercased. How can I stop this behaviour? I briefly looked at $ stty ...
3
votes
1answer
91 views

Filename expansion from date ranges

Consider dates in the ISO 8601 format i.e. ‘YYYY-MM-DD’, e.g. 2015-01-28, and say we have a folder with files of the form: AAAA_<date>_BBBB I am looking for a glob pattern in zsh (or Bash) ...
1
vote
1answer
430 views

Redirection differences between &> >& and 2>&1

On this SO thread and a few other threads I have seen the following commands for redirecting stdout and stderr to a file. Are they all equivalent? Is there any difference between them? command1 ...
4
votes
2answers
941 views

oh-my-zsh completion on home directory names

I recently switched to zsh from bash, and I'm using oh-my-zsh. There's a completion behaviour I don't want: in any directory, the list of autocompletion candidates seems to include the names of all ...
2
votes
2answers
156 views

Export Command History into a Shell Script

Often I have complicated installation procedures to follow, like having to build dependencies for buildtools, to build dependencies for the application I wish to install from source. Once I have done ...
5
votes
4answers
6k views

Bash Auto-Completion feature for SSHing into Different Hosts

I have big list of servers which I normally ssh to all the time. Is there any way using bash or zsh so that I can keep the list of hostname and bash auto-completion goes through the file and gives me ...
16
votes
1answer
9k views

Command history in Zsh

How does Zsh keep track of command history? I see two files in my home directory: .zhistory and .zsh_history. What is the difference between them? The files seem to contain all of my history. Does ...
1
vote
2answers
137 views

Zsh completion on the second command or after an alias?

I have changed my OS X Yosemite shell to Zsh and configured with "oh my zsh" plugins, recently i installed proxychains-ng to proxy command line tools, but i found zsh completion does not work on the ...
1
vote
1answer
79 views

When using zsh tab-completion, Ignore CDPATH if a local file or directory matches

I love Z shell's tab completion with CDPATH, but sometimes it's overkill. I'd like it to only kick in as a fall-back if nothing in the local directory matches. For instance, I was just in ...
1
vote
2answers
69 views

Why does zsh allow name to be null in ${name:-word}?

From zsh documentation: ${name-word} ${name:-word} If name is set, or in the second form is non-null, then substitute its value; otherwise substitute word. In the second form name may ...
19
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6answers
2k views

Do we have more history for cd?

cd - can move to the last visited directory. Can we visit more history other than the last one?
1
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2answers
73 views

ls .. doesn't work properly with symlinks

I have directories set up a bit like this ~/code ~/code/src ~/code/build -> /path/to/somewhere/else That last one's a symlink. If I do this cd ~/code/build ls .. then I get the listing for ...
3
votes
2answers
115 views

Compatibility scripting: Save $? for use later

I would like to write a small part of a script that saves the error status, executes some other code, and sets the error status to the original error status. In Bash it looks like this: << some ...
1
vote
1answer
108 views

Every time I run tmux, new ssh-agent child process is started (zshell)

Every time I start tmux or split tmux, new instance of ssh-agent is started ("Agent pid XXXX" appears on the top), which is quite annoying because I have to type the key password every time I want to ...
2
votes
2answers
635 views

Building zsh without admin priv: No terminal handling library found

I am trying to install Zsh without root privileges on a Linux machine. I downloaded the source tarball and run: ./configure --prefix=<my_installation_path> but then I got: configure: ...
30
votes
6answers
3k views

When do you use brace expansion?

I understand what brace expansion is, but I don't know how best to use it. When do you use it? Please teach me some convenient and remarkable examples if you have your own tip.
2
votes
3answers
2k views

Home key not working in terminal

I am using GNOME Terminal 2.7.3 and zsh 4.3.9 (x86_64-unknown-linux-gnu) Home and End are not working. Nothing happens and nothing gets displayed when I press them. but they work when I press shift + ...
21
votes
1answer
4k views

When is double-quoting necessary?

The old advice used to be to double-quote any expression involving a $VARIABLE, at least if one wanted it to be interpreted by the shell as one single item, otherwise, any spaces in the content of ...
1
vote
3answers
752 views

How could I reach root after switching from bash to zsh?

It's very weird that after switching to zsh from bash, I can't access root. I normally use 'su' to login as root after I login as a normal user (username is normalusername) with less privileges. And ...
4
votes
2answers
357 views

Running commands stored in shell variables

The following works in my shell (zsh): > FOO='ls' > $FOO file1 file2 but the following doesn't: > FOO='emacs -nw' > $FOO zsh: command not found: emacs -nw even though invoking emacs ...
14
votes
1answer
3k views

How to enable reverse search in zsh?

I recently switched to zsh (finally) and am loving it! So far one thing that I am missing is Ctrl+R to do incremental history search. I have the history set up properly HISTSIZE=10000 SAVEHIST=10000 ...
8
votes
3answers
452 views

How can I list all shell variables?

Reading about this question: In zsh how can I list all the environment variables?, I wondered, how can I list all the shell variables? Also, does the distinction between shell variables and ...
0
votes
1answer
29 views

Why urxvtc doesn't accetp zsh functions when called with a “-c” argument?

In order to launch a new terminal and run a zsh function on it, I am trying to run the following command from within an urxvtc terminal (the urxvtd is running as a systemd service) urxvtc -e zsh ...
1
vote
2answers
297 views

Passing a command with arguments to a script

I am trying to write a shell script that receives as an input a command with arguments and runs it. As an example, I am hoping to use this in cron as follows: 0 11 * * * my_wrapper.sh "task_name" ...
0
votes
1answer
221 views

how to find file defining an alias

I am having a problem I'm not sure how to get around. Somehwhere on my system, I have an alias defined as such: alias subl=\''/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl'\' I ...
1
vote
1answer
34 views

Switching shells for one cron job

Say I have the following in my crontab: * * * * * command1 -option A; command2; command3; etc. I would like cron to run the commands I have in that line with a specific shell. How can I do that? ...
4
votes
0answers
246 views

Change Zsh theme in Android Studio

I've recently jumped ship to zsh and I'm using the Oh my Zsh! theme blinks. It looks very nice in the OSX Terminal, but it looks very bad in Android Studio's terminal. So my question is is there a ...
2
votes
1answer
44 views

Pipelines, Jobs and Processes in Zsh

I went through the Jobs & Signals documentation in Zsh, but some things aren't still clear to me. It says: If the MONITOR option is set, an interactive shell associates a job with each ...
1
vote
1answer
133 views

Cygwin: CD to Windows paths easily

In Windows paths are (unreasonably) long, so it is common to drag and drop from some links to the terminal or copy and paste paths from file managers. It is possible to put in the shell init file a ...
1
vote
1answer
163 views

zsh colored prompt

this is my PROMPT PROMPT='%{$fg[green]%}%n%{$reset_color%}@%{$fg[white]%}%m%{$reset_color%}:%{$fg[yellow]%}%~%{$reset_color%} $(git_super_status) %{$fg[white]%}\$%{$reset_color%}' Yes, the new line ...
1
vote
2answers
101 views

gnome-terminal : small gap at right side of screen (Ubuntu)

I use gnome-terminal on Ubuntu, and when the window is small (not maximized or fullscreen), my tmux statusline and the ZSH right prompt both stretch to the extreme right of the window, which is ...
3
votes
1answer
148 views

Problem with passing parameters containing spaces and wild card characters

I have a problem passing parameters if the parameters may contain wildcards and/or spaces, if those parameters are optional. Since this sounds pretty abstract, let's have a small example: The ...
5
votes
1answer
72 views

Keep the space after completion for some characters in zsh

Zsh has a bit of completion-related automation that's nice most of the time: after pressing Tab, a space is inserted automatically (or some other appropriate character such as , inside braces). I ...
2
votes
2answers
232 views

Use Netrw or Nerdtree in Zsh/Bash to select a file BY BROWSING?

Often I find myself in the shell, wanting to insert a filename into a lengthy command. I'd like to hit a shortcut, and use Netrw or Nerdtree to browse for a file or directory, and have it pasted in ...
1
vote
2answers
39 views

Why is $COLUMNS not listed by either env or set? (on zsh)

I can $ echo $COLUMNS 95 and get a result, but if I env | grep COLUMNS or set | grep COLUMNS I get nothing. (Update: I just discovered that the behavior is different on bash. I'm using ...
1
vote
1answer
61 views

Why does oh-my-zsh pick .zhistory instead of .zsh_history for the value of HISTFILE?

I tried googling about this but couldn't find any clue: Why does oh-my-zsh pick .zhistory instead of .zsh_history for the value of HISTFILE? Seems like .zsh_history is what more people would expect.
1
vote
2answers
1k views

Is it possible to source again .bashrc and .zshrc AND remove functions once inside them without restarting?

I had a function inside .zshrc that I removed. Now, when I try to source it, it indeed sources it, but doesn't remove the function that once was inside .zshrc from memory. Is there a way to remove ...
7
votes
2answers
5k views

zsh: set TERM=screen-256color in tmux, but xterm-256color without tmux

I need my $TERM to be xterm-256color outside of tmux (in "plain" terminal with zsh), but screen-256color inside tmux. First I tried: add export TERM='xterm-256color' to my ~/.zshrc. add set -g ...