Two utility functions for editing and viewing the PATH variable

pathutil.sh

pathed(){
    tmpfile=$(mktemp)
    IFS=':'
    content=''
    for p in $PATH; do
        if [[ -z $content ]]; then
            content="$p"
        else
            content="$content\n$p"
        fi
    done
    echo -e $content > "$tmpfile"

    "${EDITOR:-vi}" "$tmpfile"

    export PATH=''
    while read p; do
        if [[ -z $PATH ]]; then
            export PATH=$p;
        else
            export PATH=$PATH:$p;
        fi
    done < "$tmpfile"
    rm "$tmpfile"
}

path(){
    IFS=':'
    for p in $PATH; do
        echo $p;
    done
}