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How to expand a variable in zsh command line?
In zsh syntax, use: (an alternative is to simulate standard shell behavior globably with the option -o shwordsplit …) One commonly encountered difference [in zsh] is that variables substituted onto the command line are not split into words.
Is there a way to make zsh the default shell?
Depending on your shell setup you may get a message saying /etc/shells: Permission denied. You can find information about this issue here. To work around it, use the following instead: Click the lock to make changes. Change the login shell to /bin/zsh in the dropdown.
How to make zsh script portable to bash?
To complete Stéphane Gimenez answer (I cannot comment yet), one solution is to make your script portable to bash by checking if you are using zsh and then transform $OPTS into an array like this Then your rsync command will work. Thanks for contributing an answer to Unix & Linux Stack Exchange!
How can I make my terminal switch to zsh?
To work around it, use the following instead: Click the lock to make changes. Change the login shell to /bin/zsh in the dropdown. Then I had to create a .bash_profile file to make my terminal switch to z-shell every time I open it: The last idea was borrowed from here.
How to reset a shell environment using zsh?
You could just exec zsh, which will give you a fresh zsh and re-run the init functions. Note that you’d need to exec zsh -l for a login zsh to keep its “login shell” status.
Is there a way to undo exported variables in zsh?
To undo exported environment variables, you can use the env command env -i zsh . env runs the command given as an argument, and -i gives it a clean environment.
How to make shell script work with zsh?
If you want the script to work in every shell, you need to use the positional parameters. They are the only array available. If you have a shell script that you want to be able to run conveniently with zsh, put this line at the beginning — it tells zsh to act like ksh, and it’s a no-op on other shells.
Which is the default keymap in the zsh shell?
If one of the VISUAL or EDITOR environment variables contain the string ‘ vi ’ when the shell starts up then it will be ‘ viins ’, otherwise it will be ‘ emacs ’. bindkey ’s -e and -v options provide a convenient way to override this default choice. When the editor starts up, it will select the ‘ main ’ keymap.
When to do globbing in sh file expansion?
If the SH_FILE_EXPANSION option is set, the order of expansion is modified for compatibility with sh and ksh. In that case filename expansion is performed immediately after alias expansion , preceding the set of five expansions mentioned above. This expansion, commonly referred to as globbing, is always done last.
How to expand a special variable in Bash?
Basically the current bash instance we’re running takes our place as the user of another bash instance and types in the command “echo ~…” for us.
What’s the best way to expand a variable?
Expanding (no pun intended) on birryree’s and halloleo’s answers: The general approach is to use eval, but it comes with some important caveats, namely spaces and output redirection ( >) in the variable. The following seems to work for me: The $ {mypath//>} strips out > characters which could clobber a file during the eval.