Add interactive mode.

mbin.sh

@@ -3,7 +3,16 @@
 # Set MKR_BIN if not set. Export it in your shell rc to use a self hosted
 # instance. Include the trailing slash with custom urls.
 MKR_BIN=${MKR_BIN:-https://bin.mkr.pw/}
+EDITOR=${EDITOR:-vim}
+
+if [ -t 0 ]; then
+  tmp_file=$(mktemp)
+  $EDITOR $tmp_file
+  op=$(curl -s -d "@${tmp_file}" -H "Content-Type:text/plain" $MKR_BIN)
+  rm $tmp_file
+else
+  op=$(curl -s -d "@-" -H "Content-Type:text/plain" $MKR_BIN)
+fi
 
-op=$(curl -s -d "@-" -H "Content-Type:text/plain" $MKR_BIN)
 link=$(echo $op | cut -f2 -d'/')
 echo ${MKR_BIN}${link} | tee /dev/tty | xclip -selection clipboard