Merge pull request #86 from brontitall/temp_file_cleanup

Clean up temp files when metrics_tidy exits cleanly

Author: MartyEwings

files/metrics_tidy

@@ -9,6 +9,10 @@ fail() {
   exit 1
 }
 
+cleanup() {
+  rm "$tmp"
+}
+
 # Clone, i.e. preserve, original stdout using fd 3.
 exec 3>&1
 # Send stderr and stdout to a temp file
@@ -18,6 +22,9 @@ exec &>"$tmp"
 # Run the fail() method on error
 trap fail ERR
 
+# Otherwise cleanup
+trap cleanup EXIT
+
 while [[ $1 ]]; do
   case "$1" in
     '-d'|'--directory')