Simple terminal help for easier use of commands. 16/09/2022

gistfile1.txt

.bashrc :

#	folder,export PATH : Private path where the "type -p" command will find your own files.
#	source : Short .bashrc entry to make the original .bashrc more transparent. Custom settings and files in a separate directory. Easily portable, i.e. modular architecture.

folder=~/Downloads/bash && export PATH="$folder:$PATH" && source bash_settings



~/Downloads/bash/bash_settings :
(or "$folder"/bash_settings :)

#	function m like menu
#
#	fake readline (up and delete line) source :
#	https://stackoverflow.com/questions/18362837/how-to-display-and-refresh-multiple-lines-in-bash 
#	https://stackoverflow.com/questions/22322879/how-to-print-current-bash-prompt
#
#	fzf insert = edit source :
#	https://github.com/junegunn/fzf/wiki/examples#opening-files
#
#	neccesary packages :
#	coreutils : head, tail
#	ncurses : tput

function m {

line=$(< $(type -p $1.txt) fzf --reverse --exact --no-color --no-info --expect=insert)

#	fzf escape or ctrl-c

if [ "$line" = "" ]
then 

#	fake readline (up and delete line)
tput cuu1 && tput el
return

fi

key=$(head -1 <<< "$line")
cmd=$(head -2 <<< "$line" | tail -1)

#	fzf insert = edit

if [ "$key" = insert ] 
then

#	fake readline (up and delete line)
tput cuu1 && tput el
read -p "${PS1@P}" -eri "$cmd" cmd

fi

history -s "m "$1
history -s $cmd

#	fake readline (up and delete line)
tput cuu1 && tput el
echo "${PS1@P}"$cmd

eval $cmd

}

# 	example : alias h='m help' : "$folder"/help.txt : list of commands

alias h='m help'