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

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5answers
334 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
votes
1answer
183 views

Apply parameter expansion flags to string or array literal in zsh

Sometimes I'd like to apply parameter expansion flags to a string or array literal in zsh. As an example use case, say that I want to split some comma-delimited string $arglist on commas, but prepend ...
3
votes
2answers
514 views

zmv command to rename file after matching pattern

I was trying to figure out a solution for this question using zmv. I am unable to find an exact solution using zmv. This is what I could come up with so far. From here, I could rename all files like ...
3
votes
4answers
989 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
1answer
2k views

FPATH in zsh: functions and site-functions

I noticed I have the following line near the beginning of my .zshrc file: export FPATH=/usr/share/zsh/site-functions:/usr/share/zsh/4.2.6/functions:$FPATH I can't remember if I typed this myself ...
2
votes
1answer
103 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 ...
2
votes
1answer
91 views

Expanding {a..d} to a b c d in zsh

In bash, {a..d} expands to a b c d. Currently this is not happening for me in zsh, and my googling has returned conflicting results. Some results suggest that {a..d} should work ...
2
votes
2answers
332 views

Zsh completion on the second command or after an alias?

I have changed my OS X Yosemite shell to Zsh and configured with "oh my zsh" plugins, recently i installed proxychains-ng to proxy command line tools, but i found zsh completion does not work on the ...
2
votes
2answers
1k views

Update process name in shell, is it possible?

In C/C++ it is in general possible to do strcpy(argv[0], "new process name"). It's a hack used in malicous software to hide real process name. Is such operation possible via shell? What I want to do ...
2
votes
1answer
215 views

List directories with dot directories last, then dot files

I'm aware of the ls option --group-directories-first but that's not exactly what I want to achieve. The output should be: (sorted by name ASC) Directories Hidden Directories Hidden Files
2
votes
2answers
4k 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
1answer
403 views

zsh prompt not escaped properly

This is my current prompt definition: PROMPT='%(?..%F{red}%?%f:)%F{blue}%n%f:%F{green}%{${PWD/#$HOME/~}%} %(!.%F{red}.%f)%# %f' The cursor sometimes starts one character behind the actual prompt, ...
2
votes
1answer
222 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
45 views

Can I use Zsh's built-in wildcard matching to replace the use of `find` here?

This is a follow-up to another question I posted I use a script to automatically rename files according to a particular order: #!/usr/bin/env zsh pages=($(sed -n '/page_order/,/^$/ p' _config.yml | ...
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vote
2answers
1k views

Passing a command with arguments to a script

I am trying to write a shell script that receives as an input a command with arguments and runs it. As an example, I am hoping to use this in cron as follows: 0 11 * * * my_wrapper.sh "task_name" ...
1
vote
1answer
416 views

zsh syntax highlighting for files

I use zsh-syntax-highlighting package and it colorize all files with the same color as directories (path). I think one should have possibility to customize these colors or at least use $LS_COLORS as ...
1
vote
1answer
688 views

Functions defined in .zshrc not found when running script

I have a function in .zshrc that mostly updates the PATH: my_function() { PATH=... } and some scripts that depend on it, e.g. my_script.sh starts with the following lines: my_function # do ...
1
vote
1answer
191 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
3k views

tmux exits abruptly right after loading

I just compiled my own version of tmux with libevent. Whenever I run tmux from zsh, tmux starts, but exits quickly returning [exited]. I read here that the problem could be my configuration for ...
0
votes
2answers
1k views

Comparison of shells? [closed]

Do shells have any actual advantages or disadvantages? They can all run any binary, they all support pipes and > (output to file). Why would one choose bash over sh, or sh over ksh, etc? Why does ...
0
votes
1answer
1k views

rsync with absolute paths and excluding subpaths

Say I have the following structure on path origin_path origin_path/X=1/A/... origin_path/X=1/B/... origin_path/X=1/C/... ... origin_path/X=2/A/... origin_path/X=2/B/... origin_path/X=2/C/... ... ... ...