List X random files from a directory
Is there a way to list a set of say, 30 random files from a directory using standard Linux commands? (in zsh)
zsh
Escaping quotes in zsh alias
Following on from this question about stripping newlines out of text, I want to turn this into a zsh alias as follows:
What should/shouldn’t go in .zshenv, .zshrc, .zlogin, .zprofile, .zlogout?
I’m looking for guidelines on what one should and should not include in the various startup files for zsh.
How to edit command line in full screen editor in ZSH?
In bash, using vi mode, if I hit Esc,v, my current command line is opened in the editor specified by $EDITOR and I am able to edit it in full screen before ‘saving’ the command to be returned to the shell and executed.
Dynamic zsh autocomplete for custom commands
I’m trying to write completion functions for some custom functions I wrote, but seem to be really struggling with even the most basic ones.
Avoiding “BASH-isms” in shell scripts
Does there exist a tool similar to Perl::Critic that will inspect your shell scripts and point out flaws, portability issues, uses of non-standard programs without fallbacks, depreciated program uses, etc?
${!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.
mv * folder (avoiding ‘cannot move’ error)
Anytime I want to move thousands of files to a new folder, I always encounter the same problem. > mkdir my_folder > mv * my_folder mv: cannot move 'my_folder to a subdirectory of itself 'my_folder' While I think that the error above is harmless (is it?) I am wondering if there is a way of … Read more
autocomplete weirdness as a result of ugly hack for zsh prompt
I currently have the following line in my .zshrc:
Are there problems with hyphens in functions, aliases, and executables?
In my testing (in Bash and Z Shell), I saw no problems with defining functions or aliases or executable shell scripts which have hyphens in the name, but I’m not confident that this will be okay in all shells and in all use cases.