| xsel -i -b -t 30000
}
+dl() {
+ local -r timestamp="$(date --iso-8601=ns)"
+ local -r dir="$HOME"/dl/adhoc/"$timestamp"
+ local -r url_file_path="${dir}/url"
+
+ mkdir -p "$dir"
+ touch "$url_file_path"
+ cd "$dir"
+}
+
## web search
## ws : string -> unit
ws() {