update numbers less frequent

files/rm-progress

@@ -33,11 +33,36 @@ function listfiles() {
 }
 function deletefiles() {
     i=0
+    done_update=-10
+    left_update=0
+    filespad=${#files}
+    timeleft="  :  :  "
+    printf "\r%8s %8s %${filespad}s%${filespad}s %3s %s\n" \
+        Time Left " " Files " " Name
     while IFS= read -r -d $'\0' line; do
+        # Print progress
         i=$((i+1))
+        if [[ $(( $SECONDS - $done_update )) -ge 1 ]]; then
+          done_update=$SECONDS
+          done=$SECONDS
           [[ $files -ne 0 ]] && percent=$((200*$i/$files % 2 + 100*$i/$files))
-        printf "\r%02d:%02d:%02d %6d/%d %3d%% %s\033[0K" \
-           $(($SECONDS/3600)) $(($SECONDS%3600/60)) $(($SECONDS%60)) $i $files "$percent" "$line"
+          printf -v timedone "%02d:%02d:%02d" \
+            $(($done/3600)) $(($done%3600/60)) $(($done%60))
+        fi
+        if [[ $(( $SECONDS - $left_update )) -ge 10 ]]; then
+          left_update=$SECONDS
+          left=$(( ($files - $i) * $SECONDS / $i ))
+          left_live=$left
+        else
+          left_live=$(( $left - $SECONDS + $left_update ))
+        fi
+        if [[ -n "$left" ]]; then
+            printf -v timeleft "%02d:%02d:%02d" $(($left_live/3600)) $(($left_live%3600/60)) $(($left_live%60))
+        fi
+        printf "\r%s %s %${filespad}d/%${filespad}d %2d%% %s\033[0K" \
+           "$timedone" "$timeleft" "$i" "$files" "$percent" "$line"
+
+        # Delete file
         if [ -L "$line" ]; then
             rm $RMFORCE "$line"
         else