Create temporary file safely using mktemp

fix cknadler#81

bin/run

@@ -36,8 +36,7 @@ done
 ###
 
 AW_PATH=$HOME/.vim-anywhere
-TMPFILE_DIR=/tmp/vim-anywhere
-TMPFILE=$TMPFILE_DIR/doc-$(date +"%y%m%d%H%M%S")
+TMPFILE=$(mktemp)
 VIM_OPTS="--nofork +star"
 
 # Use ~/.gvimrc.min or ~/.vimrc.min if one exists
@@ -50,9 +49,6 @@ for vimrc_path in "${VIMRC_PATH[@]}"; do
     fi
 done
 
-mkdir -p $TMPFILE_DIR
-touch $TMPFILE
-
 # Linux
 if [[ $OSTYPE == "linux-gnu" ]]; then
   chmod o-r $TMPFILE # Make file only readable by you
@@ -82,3 +78,5 @@ elif [[ $OSTYPE == "darwin"* ]]; then
   LANG=en_US.UTF-8 tr -d '\n' < $TMPFILE | pbcopy 
   osascript -e "activate application \"$app\""
 fi
+
+rm $TMPFILE