All Questions
65 questions
2
votes
0
answers
47
views
Can't unalias then redefine as a function in the same conditional [duplicate]
Here is a simplified implementation of an issue in my bash/zsh aliases file:
alias foobar='echo bar' # this is out of my control
if true; then
unalias foobar
echo we got inside the conditional
...
- 4,132
1
vote
2
answers
119
views
Start interactive function definition from shell-script
Using zsh or bash, I want to run a script that may prompt the user for multiple commands and store them as a function, however I'm finding that eval "function $FNCNAME() {" or echo "...
- 31
1
vote
1
answer
245
views
Run `git commit -m` with single quotes in zsh
I sometimes use characters such as ! and $ in commit messages, they need to be manually escaped, but not if you use single quotes like this git commit -m 'My $message here!'. I tried to write a ...
- 13
1
vote
2
answers
135
views
String Length Always Returns 2 in ZSH Function
I'm trying to bowdlerize email addresses in a fixed length text file by generating a random string the same length as the input. I'm passing the string as a backreference in sed.
To simplify, this ...
- 11
0
votes
1
answer
258
views
How to store command with option on variable of a function in zsh?
I'm trying to learn bash scripting using freeCodeCamp tutorial for beginners on YouTube.
I'm stuck at the point where he shows how to create a function.
He saved on a variable a command with an option
...
2
votes
1
answer
360
views
printf "%.3f" ${variable with newlines} - error with \n
Like HERE I have a file.csv with numbers in quotes:
"0.2"
"0.3339"
"0.111111"
To round the number (3 decimals) this solutions works great:
printf "%.03f\n" $(...
- 167
1
vote
1
answer
315
views
How to write a function that takes an argument string that does not need to be quoted?
I'm writing a function, adding it to ~/.zshrc on my Mac. It's in order to more quickly handle commands to youtube-dl.
I have this:
function dlv()
{
cd /Users/admin/Downloads
youtube-dl ...
4
votes
1
answer
183
views
Why do backgrounded commands in Zsh functions not show correctly in jobs?
In Bash 5.2, the output of jobs after either of the following is identical modulo job numbers:
sleep 3
# press C-z
s() { sleep 3; }
s
# press C-z
In both, jobs produces something like
[1]+ Stopped ...
- 552
1
vote
2
answers
1k
views
How can I/Should I default flags when running a command?
For context, I'm using zsh. Every time I use locate, I want to pass the -i and -A flags.
Usually, if I can get away with it, I create an alias with the same name as the existing command to do this. ...
- 1,060
1
vote
2
answers
487
views
zsh: alias or shell function to only echo its command line, including shell control characters
Using zsh, I'd like to create an alias or a shell function that operates as follows:
I want this alias or shell function to echo its command line without honoring any shell control characters such as &...
- 687
5
votes
1
answer
2k
views
zsh: pass variable by reference, and modify its value (like bash's local -n namerefs)?
Is it possible to pass a variable to a zsh function, and modify its value without using eval? I came across a bash way to do that: local -n: https://stackoverflow.com/a/50281697
- 626
1
vote
1
answer
181
views
zsh parameter substitution
This page has a demo function as follows:
~inews> namedir () { $1=$PWD ; : ~$1 }
But when I try it on my machine, it produces the following error:
namedir: no such file or directory: test=/home/...
- 11
1
vote
2
answers
899
views
How to pass zsh alias function to pipe
I have a zsh alias:
gitbs() {
git branch | grep -- $1
}
And I would like to pass the result into git checkout, for example:
git checkout | gitbs state
How can I make this work?
- 13
2
votes
0
answers
97
views
zsh: Make getting the value of a variable invoke a function
I like to use a "getter" function for some variable foo, such that using "$foo" is equivalent to "$(foo-getter)".
It think this should be possible, as $EPOCHREALTIME ...
- 1,684
1
vote
1
answer
581
views
execute command on all visible shells
I'm currently running a tiling window manager and I want to be able to use a custom function that is equivalent to one I had when I was using tmux that allowed me to run a command in all visible ...
- 361