Robust solutions for bash, ksh, zsh, including a cross-shell one, plus a reasonably robust POSIX-compliant solution: . If you are using zsh specific syntax, you can indicate that it is zsh script by adding #! – Gilles 'SO- stop being evil' 24 mins ago. Using POSIX features only (such as in dash, which acts as /bin/sh on Ubuntu), there is no … Zsh doesn't have this misfeature. Works perfectly after adding the full path instead of the tilde. This will be especially helpful while you transfer scripts from bash to zsh (or sh). This plugin is intended to use the bash completions when a zsh completion is not available. Bash works with ~, but that isn't really helpful because programs started by bash don't recognize the ~. Bash Vs Zsh. If you want to distinguish your zsh script files, the you can also change the script’s file extension from .sh to .zsh. But I am running in ZSH (which is roughly equivalent to BASH). Update (2020-03-29) When I originally wrote this blog post, my intent was to describe how things worked on a typical system at the time. It has a tilde. Note that $_ must be accessed in the first statement in the file, otherwise it will contain the last argument of the previous command. /bin/zsh as the first line of the script. To be honest I should rather say that I find Bash's behaviour insane, with an absurd process (bashrc for interactive, non-login shells…) that needs to be worked around, and an inconsistent naming and search convention (~/.bashrc vs. /etc/bash.bashrc, no system-wide version of bash_logout). Version numbers given are the ones on which functionality was verified - likely, these solutions work on much earlier versions, too - feedback welcome.. Current script directory (works in bash and zsh). https://computingforgeeks.com/best-terminal-shell-prompts-for- /bin/bash indicates that the script is bash shell script and should be run with bash as interpreter irrespective of the shell which is being used on the system. Unfortunately, the operation of bash startup scripts is dependent on patches added by OS distributions, compile-time options and if bash thinks it was invoked by sshd or rshd. GitHub Gist: instantly share code, notes, and snippets. It needs to have the full path. zsh-bash-completions-fallback. the majority of shell programs run in bash and running them in zsh could break them in unexpected ways due to the differences in command output in zsh. Creating simple yet effective Linux shell scripts for tackling day-to-day jobs is quite easy. I personally find the Zsh process much saner. These scripts set up environmental variables (setenv, set, and alias commands). @clacke: I find that in all the versions of Bash that I tested from 2.05b to 4.2.37, including 4.1.9, that . Zsh just brings unnecessary complications that we could really do without. Is there a good way to either (a) Source this script from bash/zsh so that the bash/zsh shell will inherit all the variables that the CSH script set, or and source worked identically in this regard. To switch your script from using bash to zsh, you have to change the shebang in the first line from #!/bin/bash to #!/bin/zsh. While this could be supported natively via bashcompinit, this doesn't actually work most of the times, as completion scripts may use syntax not supported by zsh, and so it's just better to implement this querying the bash itself, using a bash script … One of the most amazing features of these shells is their programmability. Linux offers a variety of powerful shells with robust functionality, including Bash, Zsh, Tcsh, and Ksh. Using #! e.g.
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