Why does a brace command group need spaces after the opening brace in POSIX Shell Grammar?
TL;DR: Why does POSIX brace group need spaces after { reserved word but subshell doesn’t after reserved word (?
shell
What are commands to find shell keywords, built in functions and user defined functions?
I was discussing with my friend on how the commands are parsed in the shell, and he told me that bash searches the command in following order
How to apply recursively chmod directories without affecting files?
After I apply chmod -R to a directory, permissions are changed for everything within (files and directories). How can I add execute/search (x) permissions to directories without modifying the files?
Extract date from a variable in a different format
Let me explain you the problem
Shell programming, avoiding tempfiles
I often write KSH shell scripts that follow the same pattern:
How do I temporarily bypass an alias in tcsh?
I am using tcsh. bash and zsh and other suggestions won’t help here.
How does ssh run a command?
I’m using Bash on both client and server. When running a command over SSH:
Test for array support by shell
Is there a concise way of testing for array support by the local Bourne-like shell at command line ?
Changing the default shell without chsh or administrator privileges
I saw the following snippet in this thread: How to change from csh to bash as default shell
Remove empty directory trees (removing as many directories as possible but no files)
Suppose I have a dir tree like this: