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Syntax highlighting and autosuggestions
blesh-gitAUR is a command line editor written in pure Bash which replaces Readline. It has many enhanced features like syntax highlighting, autosuggestions, menu-completion, abbreviations, Vim editing mode, hook functions, and more.
After installing it, source it in an interactive session. Configurations are explained in depth in the ~/.blerc file and at the wiki. The stable bleshAUR package is also available.
https://wiki.archlinux.org/title/Bash