Require at least one filename with the CLI

stefmolin · stefmolin · commit 69252157f8c5 · 2025-09-01T15:12:17.000-04:00
diff --git a/index.html b/index.html
@@ -1336,7 +1336,7 @@ <h2>2. Wrap your function in a CLI</h2>
                   parser = argparse.ArgumentParser(prog='your-hook')
                   parser.add_argument(
                       'filenames',
-                      nargs='*',
+                      nargs='+',
                       help='Filenames to process.',
                   )
 
@@ -1376,7 +1376,7 @@ <h3>Simplified example from <code>exif-stripper</code></h3>
                   parser = argparse.ArgumentParser(prog='exif-stripper')
                   parser.add_argument(
                       'filenames',
-                      nargs='*',
+                      nargs='+',
                       help='Filenames to process.',
                   )
 
@@ -1446,7 +1446,7 @@ <h2>Example solution</h2>
                 )
                 parser.add_argument(
                     'filenames',
-                    nargs='*',
+                    nargs='+',
                     help='Filenames to process.',
                 )
                 parser.add_argument(

Original file line number	Diff line number	Diff line change
`@@ -1336,7 +1336,7 @@ <h2>2. Wrap your function in a CLI</h2>`
`1336`	`1336`	`parser = argparse.ArgumentParser(prog='your-hook')`
`1337`	`1337`	`parser.add_argument(`
`1338`	`1338`	`'filenames',`
`1339`		`- nargs='*',`
	`1339`	`+ nargs='+',`
`1340`	`1340`	`help='Filenames to process.',`
`1341`	`1341`	`)`
`1342`	`1342`
`@@ -1376,7 +1376,7 @@ <h3>Simplified example from <code>exif-stripper</code></h3>`
`1376`	`1376`	`parser = argparse.ArgumentParser(prog='exif-stripper')`
`1377`	`1377`	`parser.add_argument(`
`1378`	`1378`	`'filenames',`
`1379`		`- nargs='*',`
	`1379`	`+ nargs='+',`
`1380`	`1380`	`help='Filenames to process.',`
`1381`	`1381`	`)`
`1382`	`1382`
`@@ -1446,7 +1446,7 @@ <h2>Example solution</h2>`
`1446`	`1446`	`)`
`1447`	`1447`	`parser.add_argument(`
`1448`	`1448`	`'filenames',`
`1449`		`- nargs='*',`
	`1449`	`+ nargs='+',`
`1450`	`1450`	`help='Filenames to process.',`
`1451`	`1451`	`)`
`1452`	`1452`	`parser.add_argument(`