small bash alias to open program from CLI and send to background

openback.sh

#!/bin/bash
alias open='xdg-open' # opening files with xdg-open on linux, on mac you don't need this.

# open 1 file and send the proces in background
function openback() { 
    if [ "$#" -lt 1 ]
        then echo "openback : No input given"
    else open $1  > /dev/null & disown
        fi
    }

# open multiple files and send the proces in background
# shameless copy of [18.04 - xdg-open: Open various tab at the same time - Ask Ubuntu](https://askubuntu.com/a/1248314)
function openn() {
    if [ "$#" -lt 1 ]
    then
        echo "You must enter 1 or more command line arguments";
    elif [ "$#" -eq 1 ]; then
        open "$1" > /dev/null & disown;
    else
        for file in "$@"; do
            open "$file" > /dev/null & disown;
        done
    fi
}