update readme.md

README.md

@@ -3,11 +3,18 @@ Simple script to help a friend to set the image date to the file date for all th
 
 #### Usage
 - Get the binary from https://github.com/arnaucube/exif-dates/releases
-- Execute the binary
+- Execute the binary `> ./exif-dates`
+
 ```
-> ./exif-dates
+> ./exif-dates -h
+version: v0.0.2_2024-01-26
+Usage of ./exif-dates:
+  -input, -i string
+        input directory (default "./")
+  -output, -o string
+        output directory (default "output")
+  -version, -v
+        print current version
 ```
 
-Alternatively can specify the input directory: `> ./exif-dates inputDir`
-
 This will generate a new directory `output` which contains all the images with the image date as the file date (both file's access and modification times), and also with the image date as the filename.