add format mode only

files/fastdu

@@ -7,6 +7,7 @@ function helpexit() {
     echo "  -s       Summary mode, otherwise each argument folder calculated separate"
     echo "  -c       Count files instead of summarizing sizes"
     echo "  -a       Display animation while counting"
+    echo "  -f #     Format filesize to human readable. Command exits without scanning."
     echo "  --help   This help"
     exit
 }
@@ -83,14 +84,25 @@ function displaysize() {
 # Get options
 what=()
 for (( i=1; i<=$#; i++ )); do
+  [[ "${!i}" = "-a" ]] && { ANIMATE=1; continue; }
+  [[ "${!i}" = "-f" ]] && { FORMAT=1; ((i++)); FORMAT_VALUE=${!i}; continue; }
   [[ "${!i}" = "--help" ]] && helpexit
   [[ "${!i}" = "-h" ]] && { HUMAN=1; continue; }
   [[ "${!i}" = "-c" ]] && { COUNT=1; continue; }
   [[ "${!i}" = "-s" ]] && { SUMMARY=1; continue; }
-  [[ "${!i}" = "-a" ]] && { ANIMATE=1; continue; }
   what+=( "${!i}" )
 done
 [[ -z "${what[@]}" ]] && what="."
+# If formatting requested, do only that:
+if [[ "$FORMAT" -eq 1 ]]; then
+  if [[ -z "$FORMAT_VALUE" ]]; then
+    echo -e "\nBytes argument missing\n\n"
+    helpexit
+  fi
+  filesize $FORMAT_VALUE
+  exit $?
+fi
+
 # If only one entry, dont print the name
 [[ "${#what[@]}" -eq 1 ]] && SUMMARY=1