Shell Script to Open Lua Documentation In A Browser

#!/bin/sh

LUADOC=/usr/local/share/doc/lua54/readme.html

open_docs() {
    for i in opera chromium firefox
    do
        if command -v $i >/dev/null 2>&1; then
            exec $i $LUADOC >/dev/null 2>&1 &
            FOUND=true
        fi
    done

    if [ -z "$FOUND" ]; then
        echo "No suitable browser was found"
    fi
}

open_docs