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

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3
votes
1answer
292 views

First characters of the command repeated in the display when completing

The first two chars were repeated while I use Tab to do completion. In the screenshot below, cd is repeated. I have tried rxvt-unicdoe, xterm, terminator. All these terminal emulators have this ...
3
votes
4answers
372 views

Round/truncate digit in string in zsh (or with external tool)

I'm trying to do an interface to bc so it can be used intuitively and without the annoyance of getting "stuck" in it. I haven't got around to test it that much, because I got stuck on another detail, ...
3
votes
3answers
3k 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 ...
3
votes
1answer
917 views

Set variables in ZSH precmd and reference them in the prompt

Is there a way to set variables in the precmd function of zsh and then echo them in the prompt? Something like function precmd { GREETING='Hi Kevin!'; } PROMPT="$GREETING";
2
votes
1answer
35 views

/etc/paths in OS X and other Unices

Is /etc/paths read by every shell that I run in OS X? For example, if I use zsh, will it parse /etc/path to populate $PATH? What exactly is the sequence that OS X follows to populate $PATH? Does it ...
2
votes
2answers
1k views

/usr/bin/env: zsh -: No such file or directory

I get the error /usr/bin/env: zsh -: No such file or directory ...when I run an executable zsh script that starts with the following shebang line: #!/usr/bin/env zsh - Also, FWIW, replacing - ...
2
votes
3answers
141 views

${!FOO} and zsh

${!FOO} performs a double substitution in bash, meaning it takes the (string) value of FOO and uses it as a variable name. zsh doesn’t support this feature. Is there a way to make this work the same ...
2
votes
1answer
179 views

Distributing thousands of files over subfolders

I have a folder A with hundreds of thousands of files. I would like to move these files to new subfolders S_i, with, say, 100 files in each (the last folder may have less than 100 files) In other ...
2
votes
1answer
156 views

Stop tab completion suggesting 'messagebus'

I've got a directory called build, which I cd into quite a bit. If there isn't any directory bu* in the current directory, zsh tab completion: cd buTAB suggests messagebus/, which isn't in .. If I ...
1
vote
1answer
40 views

Restricting grep's --color option to the interactive shell

I have the following variable I want to set to make grep behave a certain way: GREP_OPTIONS=--color=always The problem is, I only want this environment variable to be set on the command line. I ...
1
vote
2answers
137 views

How to cd automatically after git clone?

I want to automatically cd to the directory created by the clone command after I git cloned something. Shell: ZSH if that matters.