Questions tagged [zsh]
Zsh is a shell with many advanced command-line and scripting features.
2
votes
1answer
18 views
how to pipe to a sourced function in bashrc file?
we all know how to pipe to shell scripts and installed programs like grep,awk ... but what about a sourced function in .bashrc or .zshrc ?
this is a test function :
function fff(){
echo "$@"
}
...
5
votes
1answer
70 views
Why is the stdout of a `>()` subshell different if it's part of a redirection (e.g. `> >()`)?
This is a followup question to: Why does `... | sed 's/^/stdout: /'` print on empty stdin when `... > >(sed 's/^/stdout: /')` doesn't?
To be more concrete, why is this a ...
3
votes
4answers
60 views
Why does `… | sed 's/^/stdout: /'` print on empty stdin when `… > >(sed 's/^/stdout: /')` doesn't?
I'm trying to understand what causes the difference in these 2 constructs that I thought were functionally equivalent:
$ ( echo foo >&2 ) 2> >(sed 's/^/stderr: /') | sed 's/^/stdout: /' ...
-1
votes
2answers
95 views
Creating a temporary file from standard input
Say I have a standard input stream of file contents and a command that expects a file name as an argument and I want to run that command on a file made up of the standard input stream’s file contents.
...
0
votes
0answers
8 views
Powerline error “no such file or directory: /Users/myusername/Library/Python/2.7/lib/python/site-packages/scripts/powerline-config”
Tried to install powerline, now every time i relaunch terminal this error messager appears:
no such file or directory: /Users/myusername/Library/Python/2.7/lib/python/site-packages/scripts/powerline-...
0
votes
2answers
33 views
Why does zsh list my prompt incorrectly on OS X?
I'm trying to figure out why zsh's prompt looks like this:
(in text form):
\[\]\u\[\] at \[\]\h\[\] in \[\]\w\[\]$(__git_ps1) \[\]$(git_diff)\n\[\]($(date +'1:MikesMBP.local ')) \[\]$\[\]
I'd like ...
1
vote
0answers
12 views
How can I disable vcs_info for a specific repository?
I enabled vcs_info like so:
autoload -Uz vcs_info
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:*' formats '(%b)'
set_prompt() {
vcs_info
print -n "[%~]${vcs_info_msg_0_}%# " # ...
0
votes
0answers
18 views
Inconsistent Zsh Prompt Display [closed]
Below is the contents of my zshrc file. This configuration appears to cause extra spaces in the display prompt - some times up to 2 lines worth of spaces - in terminals run by Intellij or Emacs. Does ...
0
votes
0answers
25 views
Zsh: slow when run bash shell script [closed]
I have a script that written completely with bash compatible in mind, that used with dmenu to handle a task.
I use zsh as default shell, in that script I have shebang like #!/usr/bin/env bash, dmenu ...
0
votes
1answer
21 views
/.zshrc:export:97: not valid in this context -w: not sure what this means?
when I open up my terminal in Mac OS, the terminal prints at the top
/.zshrc:export:97: not valid in this context -w
I modified a line in my /.zshrc file by following strict instructions online ...
1
vote
1answer
23 views
Making zsh jobs -p behave as in bash
Is there a way to make jobs -p in zsh behave as in bash, ie. give
only a number, such that one can do kill $(jobs -p)?
7
votes
3answers
345 views
Portable check empty directory
With Bash and Dash, you can check for an empty directory using just the shell
(ignore dotfiles to keep things simple):
set *
if [ -e "$1" ]
then
echo 'not empty'
else
echo 'empty'
fi
However I ...
0
votes
1answer
33 views
Remove bold fonts from zsh
I just started using zsh and oh-my-zsh in the default macOS terminal. When using
$ ls
(or related commands like la or ll) names of directories are displayed in bold font. Is there a possibility to ...
8
votes
3answers
634 views
Flattening directory hierarchy preserving directory names in new directory name
I basically want to go from this:
.
├── Alan Walker
│ ├── Different World
│ │ ├── 01 Intro.mp3
│ │ ├── 02 Lost Control.mp3
│ │ └── cover.jpg
│ └── Same World
│ ├── 01 Intro.mp3
│...
4
votes
0answers
92 views
zsh keybinding: ignore given command in insert-last-word
In zsh, I have alt+. bound to insert-last-word.
When I press alt+., I can list through the last word of previous commands.
How can I exclude some words from being shown when I cycle through ?
ie, ...
1
vote
0answers
25 views
How can I recover a corrupted Zsh history file from memory?
For reasons that partially escape me (and are outside the scope of this question), my Zsh history file became corrupt. I have several sessions open that have the history in memory. Is there a way to ...
2
votes
2answers
85 views
Alt + . (dot) shows &, instead of a previous argument
I (ab)use Alt + . to recover the last argument in a previous command (I'm using ZSH): for example,
$ convert img.png img.pdf
$ llpp (alt + .) # which produces llpp img.pdf
but sometimes I review a ...
1
vote
1answer
27 views
Zsh: remove # - comment when pasting to terminal?
I use clipmenu to choose something to paste into terminal that running zsh as shell.
Problem is that zsh will echo error when for example I paste a shell function that contains some # for comments ...
0
votes
1answer
37 views
What is the best way for storing and versioning his aliases/functions/symlinks?
actually I have these lines (exemplary) in my .zshrc file:
. ${TOOLS_HOME}/cli/.cli_base
. ${TOOLS_HOME}/cli/.cli_functions
. ${TOOLS_HOME}/cli/.cli_symlinks
This works fine so far. My only problem ...
0
votes
2answers
45 views
Reduce space between numbers and paths in “dirs -v” output
I feel like the space between the numbers and the paths is too much and I believe that less space would make lines easier to follow.
Is there an easy way reduce that space?
0
votes
1answer
22 views
Zsh: =() substitution with executable permission
I need to give an executable file to this command:
aria2c “some-url” —on-download-complete =(echo “!#/usr/bin/env bash
touch success”)
Is this possible? If not, can I implement some helper ...
1
vote
1answer
38 views
Shell: Is it possible to give a string as a file to a command?
Suppose we have a command,
eval-some-language —-path=<filename>
And we want to do something like this:
eval-some-language —-path=“say hello world!
exit 3”
I think the following solution ...
0
votes
1answer
21 views
Can't load antigen in zsh - my source command always gets an extra “/bin” appended
I'm trying to load antigen - the zsh plugin manager. No matter how I try to source it - copying it to /usr/bin/zsh/plugins or just in my home dir, it always fails due to the terminal always adding an ...
2
votes
1answer
26 views
Prevent print -P from substituting environment variable
I am using prompt pure as my prompt in zsh. Internally it uses print -Pn ... to print out the current directory. For some reason, if I have an environment variable set that matches the beginning of ...
0
votes
0answers
56 views
What does zstyle :compinstall filename do?
The Zsh first-run config wizard usually adds
zstyle :compinstall filename '$HOME/.zshrc'
to the newly generated ~/.zshrc.
What is the purpose of this directive? I could find some documentation on ...
0
votes
1answer
28 views
How can I extract a function from bash/zsh with all its shell-related dependencies?
I write a lot of little useful functions, and sometimes I like to share them with friends or the world. The problem is that I use a lot of my helper functions and aliases in my functions, and I don't ...
1
vote
0answers
71 views
Some commands not persisting between terminal sessions [closed]
I am running Ubuntu with a zsh shell, and for some, primarily non apt-get installed cli utilities, I get a command not found error in the cli, when trying to open that application in a new terminal ...
1
vote
0answers
25 views
Zsh Performance: Should I create scripts or just add functions to a file I source in .zshrc?
I use a lot of little zsh functions. I have been adding them to a single functions.zsh file which I source in .zshrc.
If they are created as scripts, or autoloading is used, will that improve speed?
...
1
vote
0answers
52 views
zsh - Unwanted characters on pressing enter from previous commands [closed]
Here is what my z-shell looks like. It keeps repeating the input from the previous commands that I had entered before, and I have to keep pressing Ctrl-Q for removing the input from the terminal. Not ...
5
votes
7answers
1k views
Do math operation on the numbers typed into command line without call bc
Sometimes I need to run some math operations. I know I can use bc or echo $(( 6/2 )). I have created my own function for bc to read input. But sometimes it takes a long time to type: _bc "6/2". So I ...
3
votes
2answers
133 views
How to store (and load) a zsh String array to a file?
I want to store an array of some quotes (so basically real-world strings with new lines) in a file. How can I achieve it? I thought of setting the IFS to something like “xxxxxxxxx74765xxx” (which will ...
0
votes
3answers
59 views
Fix space in path from find command [duplicate]
I would like to copy many files with the below command.
cp `find /Volumes/DATA/ -name "*.app" -depth 1 2> /dev/null` /Volumes/VMWare/img/
But that doesn't work because if it finds a space then ...
0
votes
1answer
26 views
Dirstack: index starts with 0
Zsh: 5.6.2
I use dirstack from archwiki: https://wiki.archlinux.org/index.php/zsh#Dirstack
All setopts in script are on, script is sourced in ~/.zshrc,
It works before and somehow change index to 0,...
1
vote
1answer
52 views
“ls -l” doesn't show symlinks source paths
Before I reinstalled MacOS, ls -l showed symlinks with their source path. Now ls -l shows symlinks as regular files - without the source path.
How can I make it show the source path?
I'm on a clean ...
3
votes
1answer
26 views
Can zargs run aliases?
I have pip install -U aliased as pi. I want to run:
zargs ~/scripts/python/**/requirements.txt -- pi -r
Is there any way to do this?
I also tried this ugly alternative:
zargs ~/scripts/python/**/...
7
votes
1answer
129 views
zsh: complete hostnames and files in given directory
I have a script myscript which takes two arguments:
hostname
directory
How can I write my own zsh completion, so that whenever I do
mysript <TAB>
it completes from my hosts list (ie same as ...
2
votes
1answer
51 views
How to prevent Vim from translating C-j into C-m when started by the zle widget `edit-command-line`?
I have the following code in my ~/.zshrc:
autoload -Uz edit-command-line
zle -N edit-command-line
bindkey '^X^E' edit-command-line
It binds the edit-command-line zle widget to the keysequence C-x C-...
1
vote
1answer
23 views
Customize zsh prompt to separately show tail of current working dir
So my current prompt looks like this:
~/path/to/dir %
If possible, I'd like it to show the topmost dir separately, like this:
~/path/to (dir) %
I've gotten close! In my .zshrc, I currently have: ...
2
votes
1answer
30 views
zsh: populate search input with existing line contents when ^R is pressed?
Given .zshrc config:
bindkey -v
bindkey "^R" history-incremental-pattern-search-backward
When I type foo<^R>bar at an empty prompt, it searches for the most recent command matching bar.
How ...
1
vote
1answer
30 views
Zsh: check existing of file before expanding
In Zsh parameter expansion, I have:
"${test_var:-"${HOME}/test"}"
but here I want to check if ${HOME}/test is exist or not, if not exist then test_var expand to " " (one space string).
Is there an ...
1
vote
1answer
34 views
How to write a function that reliably exits (with a specified status) the current process?
The script below is a minimal (albeit artificial) illustration of the problem.
## demo.sh
exitfn () {
printf -- 'exitfn PID: %d\n' "$$" >&2
exit 1
}
printf -- 'script PID: %d\n' "$$" ...
1
vote
1answer
27 views
zsh: A prefix function that runs the rest of the line with no alias expansion
I am thinking of:
function noalias() {
setopt localoptions noexpandalias
"$@"
}
But I don't know what the last line should be. eval "${*:q}"? eval "$@"? eval "${@:q}"? "${@:q}"? ${@:q}? $@? (...
0
votes
2answers
47 views
How do I put an argument into the BROWSER variable?
I like to be able to do export BROWSER="lynx -cfg=~/.lynx.cfg". I tried this directly, and I also tried setting an alias alias lynx="lynx -cfg=~/.lynx.cfg", but these didn't work. (Meaning that tools ...
1
vote
1answer
19 views
What is happening in these MULTIOS redirections?
When I run 1>&2 echo hi |& grep hi, I get a non-colored hi followed by a red hi on a new line. This is the same output as 1>&2 echo hi | grep hi. Why aren’t both of the “hi”s red in ...
4
votes
1answer
283 views
Cannot change the environment variable
WHAT I AM USING
zsh
MacOS Mojave 14.10
WHAT I WANT TO DO
$ echo $USERNAME
myusername
$ export USERNAME=newvalue
$ echo $USERNAME
newvalue
WHAT IS HAPPENING
$ echo $USERNAME
myusername
$ export ...
0
votes
2answers
20 views
How to change relative symlinked path to “actual” one (in ranger or terminal)
What is actual path? Consider folder A in the file system and a symlinked B to it. Consider currently in ranger (or terminal) inside a sub-directory within B such as /home/B/sub1/sub2 which is in fact ...
3
votes
4answers
95 views
Zsh refer to last element of current argument list and expand it
Suppose I do something like:
ln a_file_with_a_long_filename.pdf ~/path/to/a/new/hardlink/a_file_with_a_long_filename_slightly_modified.pdf
Is there a way to refer to and expand ...
4
votes
1answer
60 views
GNU Parallel doesn't run the jobs until the program has exited
When I run (rss-notifier's code is included at the end),
rss-notifier.zsh https://www.wuxiaworld.com/feed/chapters ".*"|parallel --null -k --lb echo {}
I get,
Title: Sovereign of the Three Realms - ...
2
votes
1answer
48 views
Specifying the file extension produced by zsh process substitution
I want to use zsh's process substitution to create a temporary file that can then be read by another program. However, the file it generates has no file extension, so the program reading it refuses to ...
2
votes
1answer
42 views
Managing trailing characters using zsh autoloaded completion
I'm trying to create an autoloaded completion file for zsh. To do so, I've added a _myprog file in a folder that is in my fpath.
This file goes roughly like this:
#compdef myprog
_myprog () {
...
