Questions tagged [zsh]
Zsh is a shell with many advanced command-line and scripting features.
3,149 questions
7
votes
3
answers
636
views
Difference between these 2 different ways of extracting files from a zip archive
I am trying to unzip a set of files (3 files). These files contain a lot of random files, duplicate files etc. To do this, I am first unziping the list of the names of files into a text file, then ...
- 233
0
votes
0
answers
38
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How to change zsh prompt just before the command runs?
del-prompt-accept-line() {
OLD_PROMPT="$PROMPT"
PROMPT="> "
zle reset-prompt
PROMPT="$OLD_PROMPT"
zle accept-line
}
zle -N del-prompt-accept-line
...
- 265
0
votes
0
answers
16
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Exclude files from zsh tab completion based on exit code of external tool
I'd like to use my current zsh autocompletion setup but filter out some of the results. I've set up an autocompletion file and put it in my fpath so that it gets autoloaded. But there's one critical ...
- 135
9
votes
1
answer
193
views
zsh: Preserve trailing comma inside brace completion
Why does zsh delete a trailing comma when I type a closing brace?
For example, trying to compare two files foo.txt.bak and foo.txt:
diff foo.txt{.bak,}
When I type that closing brace, the comma is ...
- 469
5
votes
1
answer
349
views
zsh - if condition comparison: '-ne' and '!=' have different result
Why these commands lead to opposite comparison results between -ne and !=? Seems != works but -ne does not? I thought they are the same while comparing strings.
% set -o | grep pipe
pipefail ...
- 632
2
votes
1
answer
116
views
How to use zmv to add left padding to a number in a filename?
% zmv -n 'Folder One/Image \((*)\).png' folder_two/img_${(l:2::0:)1}.png
zmv: error(s) in substitution:
Folder One/Image (10).png and Folder One/Image (1).png both map to folder_two/img_00.png
Folder ...
- 265
0
votes
0
answers
53
views
Sending SIGSTOP to background sleep process does not stop it; it keeps running
I am trying to implement a shell(zsh) based Pomodoro clock and I encountered a problem: sending -STOP signal to background sleep process does not stop it.
WesternGun@MyMacBook-Pro:~ [12:13:49] 0
% ...
- 632
1
vote
1
answer
81
views
zsh - Param expansion to join all elements of an assoc array, with separator in between?
If I have the following Zsh assoc array:
declare -Ar assoc_arr=(
[a]="x"
[b]="y"
[c]="z with space"
)
I’m trying to come up with a param expansion to output the ...
- 235
0
votes
0
answers
66
views
zsh associative array value data types
In ZSH, how do you set the value of an associative array parameter to an array?
e.g.,
% declare -A a=()
% a[first]=(1 2)
zsh: a: attempt to set slice of associative array
And when I try and append ...
7
votes
1
answer
281
views
Allow unicode characters in zsh shell variable names on MacOS
There seems to be limited/inconsistent support for unusual but legal characters in zsh (and sh, bash) shell variable names on mac. Is there any way to fix this for full or better support?
Perhaps this ...
- 173
1
vote
1
answer
71
views
Case-insensitive pattern replacement in Zsh parameter expansion
Please look at this pattern replacement in parameter expansion:
% zsh -c 'echo ${0/%.jpg/.jpeg}' toto.jpg
toto.jpeg
Replacement does not occur here:
% zsh -c 'echo ${0/%.jpg/.jpeg}' toto.JPG
toto.JPG
...
- 209
0
votes
2
answers
88
views
What explains the measured overhead when timing a command in zsh?
When timing a command with time, there is inevitably some overhead (from the CPU, operating system, shell and so on).
Running the following code, from a tty text mode virtual console with all ...
- 239
2
votes
1
answer
201
views
`printf` and `time` formatting issues in a `zsh` shell script
I have the following (excerpt from a) zsh shell script (the FOLDER environment variable is exported earlier in the code):
# Create temporary directory
export TMPDIR=$(mktemp -d)
# Set TIMEFMT to ...
- 239
1
vote
1
answer
94
views
Why doesn’t zsh autocomplete .java source files when using java MyFile.java?
Since Java 10 as I recall, we can run Java source files directly from the command line:
bash
$ java Math.java
The JVM compiles and executes the file automatically.
However, in zsh, tab autocompletion ...
- 292
0
votes
1
answer
89
views
nix command not found in tmux panes and windows
I use nix and home manager, zsh and tmux. My problem is that in tmux splits the nix command does not exist. I tried setting default shell in tmux to /bin/zsh -l sourcing files etc, I notice the PATH ...
- 541