add iterm2 shell integration

.iterm2/it2dl

@@ -0,0 +1,18 @@
+#!/bin/bash
+if [ $# -lt 1 ]; then
+  echo "Usage: $(basename $0) file ..."
+  exit 1
+fi
+for fn in "$@"
+do
+  if [ -r "$fn" ] ; then
+    [ -d "$fn" ] && { echo "$fn is a directory"; continue; }
+    printf '\033]1337;File=name='`echo -n "$fn" | base64`";"
+    wc -c "$fn" | awk '{printf "size=%d",$1}'
+    printf ":"
+    base64 < "$fn"
+    printf '\a'
+  else
+    echo File $fn does not exist or is not readable.
+  fi
+done