dmenu-like bash script

dmenu.bash

list=""
for p in $(echo $PATH | sed 's,:, ,g')
do
    list="$list $(find $p -type f -o -type l -executable 2>/dev/null)"
done

currlist=$list

x=".*"
while read -n 1 y;
do
    if [[ -z "$(echo "$y" | sed 's: \n::')" ]]
    then
        break
    fi

    x="$x$y"
    if (( ${#x} > 3 ))
    then
        currlist=$(echo $currlist | xargs -n1 | grep -E "$x" | xargs)
        for l in $currlist
        do
            echo $l
        done
    fi
    printf "\n%s\n" $x
done

echo $currlist