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

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Is there a built-in (or at least simple) way to check for the existence of a function accessible through $FPATH?

I want to define a function foo in a script (intended to be sourced), but only on the condition that some executable, shell built-in, function, or alias of that name doesn't already "exist". The ...
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3answers
1k views

How to fix tab completion so it doesn't hide entries?

I'm using oh-my-zsh on Mac OS X with homebrew'ed zsh 4.3.12. I stumbled recently on a weird problem. In scripts/not-used I have several .R files: breakdowns.R eventloop.R ...
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1answer
45 views

How to trace parameter parsing and expansion?

The example below illustrates the sort of "Daily WTF" that I take zsh scripting to be. I've pretty much given up hope of ever understanding zsh's voluminous rules well enough to be able to figure out ...
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1answer
40 views

Backward and forward search are reversed with vi mode in zsh

When I enter in vi mode with set -o vi, I enter in command mode, and I touch the key ? it produces a / and the reverse. Is it normal? How can I change this behavior?
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2answers
84 views

How to create hyphen alias for zsh?

I am using zsh and oh-my-zsh on Ubuntu. To change into the recent directory in the past there was an alias set to - which is the same as cd -. Somehow the alias disappeared at my machine. This might ...
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4answers
226 views

How to remove the last command (or current command for bonus) from zsh history

Sure there's a super simple smart way to do this, but since history in zshell seems to be aliased to fc, there's no way to use the tricks mentioned in How to remove a single line from history?. Any ...
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1answer
219 views

How to pass environment variables to a new ssh-initiated login session?

Suppose that some variable FOO is defined (and export-ed) in the current environment. Let me call this environment E0. Now, I log into some other Unix system using ssh. % ssh ...
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2answers
52 views

Command behaving differently when saved in a *.sh file

I was not able to find an answer to this question, so maybe one of you guys can help me out :) I wrote some shell scripts to help me automate things, and they work. However, what doesn't work is ...
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256 colour prompt in Zsh

How can I set my prompt to be colourized in 256 colours? I am looking for an equivalent to the bash prompt: local DEFAULT="\[\033[0;39m\]" local ROOK="\[\033[38;5;24m\]" ...
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2answers
98 views

Passing variable definitions to specific shells in ssh

I would like to ssh to a machine with a pre-defined setting, specifically in zsh. To do so, I have tried doing the following from the client (inspired by this answer): $ ssh -t machine@domain ...
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2answers
96 views

How do you manage your bash/zsh Aliases?

How do you manage your bash/zsh Aliases? Is there a tool to do this more easily and less "think of an alias -> open .zshrc-sourced-file -> edit -> close, reload .zshrc -> use alias"?
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55 views

What does the `set — $args` line do here, and why does it behave differently between Zsh and Bash?

In the manpage for the version of getopt that comes with Mac OSX, an example is given that uses the construction args=$(getopt optstring $*); set -- $args. What does set -- $args do here? ...
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3answers
2k views

ZSH: `ls *(.)` lists regular files only but `ls *(/)` does not list directories only

I'm not sure I am using ZSH's globbing correctly, but I thought ls *(/) would just list the dirctories under pwd, but it doesn't, it recursively lists all files under every directory under pwd (I got ...
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3answers
635 views

Clear or disable aliases in zsh

I installed oh-my-zsh to make terminal use a bit easier. One thing that bugs me though is the prolific aliases added by it, like "ga", "gap", "gcmsg", "_", which are harder to remember than the ...
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1answer
341 views

Automatically colorize the output of tree

In plain zsh, tree is set similar to --color=auto by default. However, when I use Oh-My-Zsh, tree doesn't show colors. Since tree does not have a --color=auto option, how can I override the setting ...
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4answers
7k views

Is there any way to keep a command from being added to your history?

Is there any way to keep a command from being added to your history? I have a command that I want to keep out of my history file, and I really don't care to have it there when I search the history ...
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2answers
1k views

Completing avfs fake directories in zsh

How can I tweak zsh's completion system to complete “fake” files in some circumstances? More precisely, the AVFS filesystem exposes archives as directories by creating a “fake directory” next to ...
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128 views

Strange Highlighting Color In ZSH Menu

I am using Arch Linux and zsh. When selecting options from a menu in zsh the color appears to be off when moving down in the list. For example after pressing the tab key twice after typing cd results ...
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1answer
450 views

Exiting terminal running “nohup ./my_script &” => “You have running jobs”. OK to exit?

Say I run the following on a remote box with the idea of preventing killing the job when I disconnect the terminal. nohup ./my_script.sh & When I try to exit my terminal, I got the following ...
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2answers
80 views

how do I call git commands without 'git ' in front?

How do I tell my zsh to automatically try a command with git in front, if the command is not found? E.g. I want to run $ status and if there is no status in $PATH, my zsh should try git status.
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1answer
131 views

Bash/zsh tab autocomplete: Given initial command, ignore certain files in directory with autocomplete

What I'm asking is a little bit specific, and might be a different than other autocomplete questions on Unix Stackexchange. Suppose I have a directory that looks like this -rw-r--r-- 1 hlin117 staff ...
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1answer
53 views

How to manage configurations across multiple computers and shells?

I am a traveling technologist who does not always have a reliable connection to a home server. I tend to jump between zsh and bash on a few of my own machines. What advice or recommendation would you ...
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1answer
80 views

Where is zsh storing my history?

I have two terminals open, both running zsh. The history options which I currently have set are these: export HISTFILE=~/.histfile export HISTSIZE=10000 export SAVEHIST=10000 setopt ...
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140 views

How to setup zkbd (zsh keyboard bindings) in a server?

I have zsh shell in a Linux server, and connect to the server from screen sessions in different computers. I'm trying to get control keys, such as home and end, to function correctly. Because zsh ...
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70 views

Expand parameter in quotes in zsh

(Not sure the title is adequate, at least I tried my best…) I want to pass function arguments to zsh’s emulate to evaluate a command in bash emulation: $ .bash() { emulate bash -c "$*" } $ .bash ...
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81 views

Can up arrow command history for oh-my-zsh narrow down history by options/parameters given to the command

Not sure I'm wording the question very well, but an example is worth a thousand words of mine. eg., using oh-my-zsh : git <up arrow> Will cycle up all the git commands I have used... git ...
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1answer
16 views

Is it possible to use two characters (e.g. ^tm) in insert mode in zsh for a command binding?

in my current .zshrc file I have bindkey -M viins -s '^tm' '^[Iman ^[Ela ^[d$' and this doesn't work, however when I remove m from the shortcut and it is now only ^t the shortcut is working. I'd ...
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85 views

zsh capture and pipe output to another command

I had the zsh script printf '%s\0' www/scripts6/lib/* | xargs -0 -I{} -P 50 babel {} > {} and it worked (i think.). But I needed to actually copy the files to the scripts directory instead of ...
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1answer
121 views

zsh wait for jobs to complete

When I type the following in my terminal running zsh (each line is a command) babel www/scripts6/lib/data.js > www/scripts/lib/data.js & babel www/scripts6/lib/user.js > ...
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5answers
494 views

How do I *reliably* and *simply* get the current shell interpreter name?

I'm looking for a simple and reliable way to get the name of the current shell from inside a script or a sourced file (not from the command line). I would have expected to just do $(basename ...
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1answer
92 views

tmux/zsh messes up pasted text

When I paste text into a tmux shell running zsh by select it with a mouse and then hitting 3rd mouse button, it prefixes the text with "200~" and adds a "~" at the end. For example, if I have the ...
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1answer
63 views

What files were sourced, zsh

I use oh-my-zsh with zpretzo, and I keep forgetting the zsh files it sources that I want to edit. How can I ask the shell what source files it sourced?
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1answer
142 views

ssh/mosh to a remote interactive shell and run specific function

I have the following alias on my local machine: alias gom='mosh -- user@host "/path/to/specific/zsh"' I use it to connect to a remote machine with an interactive shell. I would like to modify this ...
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14k views

Running chsh does not change shell

I want to change my shell from bash to zsh. I have tried running the following while logged in as user zol: $ chsh -s /bin/zsh $ sudo chsh -s /bin/zsh zol $ su -c 'chsh -s /bin/zsh zol' # The above ...
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2answers
534 views

How can I use bindkey to run a script?

In the Z shell, how can I use bindkey to bind a key sequence to a script?
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10 views

Global [multiple sessions] directory stack

For the current zsh session I use dirs -v command to print the directory stack. I'd like to have an analogous tool that shows me the directory stack of all sessions, also the closed ones. Or if not a ...
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1answer
157 views

Silently timeout command in zsh

This is an oft-asked question: Superuser/loop-start-program-and-kill-after-time-out SO/bash-script-that-kills-a-child-process-after-a-given-timeout SO/bash-run-a-process-for-limited-time-period ...
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1answer
45 views

Is there any plugin for zsh or bash that does heuristic filename completion?

Such as if $ ls program_v1.21.rb program_v2.01.rb program_v2.01_final.rb so when I $ echo progv2fin[TAB] it completes to $ echo program_v2.01_final.rb Sure there must be something, but I ...
2
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1answer
353 views

alias -g '${1+“$@”}'='“$@”', what does it do?

Most makefile have this strange set of symbols '${1+"$@"}'. $@ is the makefile target filename. But why does, people try to use the complex symbol like '${1+"$@"}'?
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4answers
3k 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 + ...
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1answer
940 views

How do I test if a file exists using ZSH? [duplicate]

This question is about ZSH, not bash. I have the following lines in my .zshrc file. Whenever I open a terminal I get a no matches found error referencing the line with the if statement. if [[!( -a ...
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4answers
123 views

zsh: map command to array

suppose you have an array a=(foo 'bar baz') is there a more obvious way to apply a command/function to every array element and save the resulting strings into another array than this: b=() for e in ...
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2answers
14k views

How to reset a shell environment?

This issue has been bugging me for a while, and although I've thought I've found my answer through EnvWatcher, unfortunately it only works on Bash. And I use zsh. I would like to replicate the things ...
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191 views

Byobu - New window with same ssh session?

Is there a way to configure Byobu to use same ssh session in a new window. For e.g. Open Byobu window ssh into a remote host Press 'F2' to open a new window. This opens the terminal with ...
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3answers
130 views

Preventing terminal disconnection from killing a running job in zsh [duplicate]

I went through the top answer to this question: Difference between nohup, disown and &, and I read specfically the following: With disown the job is still connected to the terminal, so if the ...
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0answers
20 views

How to quickly search and navigate to the particular sub directory? [duplicate]

I often find myself in the situation where the directory structure is like: a/b/c/d/f/g/... and I am at a as pwd and wish to quickly navigate to f or g. Is it possible to search and move to the ...
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5answers
491 views

Efficient data extraction from multiple files to a single CSV file

I have a large collection of XML files with the same exact structure: $ cat file_<ID>.xml ... ... ... <double>1.2342</double> <double>2.3456</double> ...
3
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3answers
2k views

ZSH: Stripping path, filename and extension from a list of files for piping a command

The syntax for the command convert in ImageMagick is convert source_filename.ext1 destination_filename.ext2 I would like to use zsh to feed it with files in a folder path_to_source and output the ...
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2answers
51 views

zsh - complex filename matching [closed]

I have trouble passing a list of file names to a program when utilizing globbing operators. Essentially the problem is that I have files with multi-stage suffixes and I want to match only the master ...
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7 views

How do I edit my directory colors in zsh so directories in a network share aren't so ugly? [duplicate]

The display colors of directories located on mounted network shares are horrid: Local directories look much nicer: As I understand it, these settings are set in these lines in .zshrc: eval ...