Clean up defaults

karahti

@@ -10,7 +10,7 @@ has() {
 
 for prog in curl; do
   if ! has "$prog"; then
-    printf 'please install %s\n' "$prog" >&2
+    printf "please install %s\n" "$prog" >&2
     exit 1
   fi
 done
@@ -42,8 +42,12 @@ while (( $# )); do
   shift
 done
 
-tail -n +1 -- "$@" | curl -sSA karahti/1.0 -w "%{redirect_url}" \
-  -F "paste_content=<-" -F "language=${opts[lang]:-auto}" \
-  -F "expiry=${opts[expire]}" https://p.ahti.space/nanopaste-get.cgi
+lang=${opts[lang]:-auto}
+expiry=${opts[expire]}
+url=${opts[url]:-https://p.ahti.space/nanopaste-get.cgi}
+
+tail -n +1 -- "$@" | curl -sSA karahti/1.0 -w %{redirect_url} \
+  -F "paste_content=<-" -F "language=$lang" -F "expiry=$expiry" \
+  "$url"
 
 printf "\n"