https://github.com/python/cpython/commit/531fc3a7a3998d714a9382f0bc143c05d69e9174
commit: 531fc3a7a3998d714a9382f0bc143c05d69e9174
branch: main
author: yihong <[email protected]>
committer: picnixz <[email protected]>
date: 2025-08-22T08:44:25Z
summary:
gh-138019: improve help message for `json.tool` (#138037)
files:
M Lib/json/tool.py
diff --git a/Lib/json/tool.py b/Lib/json/tool.py
index 1967817add8abc..050c2fe2161e3e 100644
--- a/Lib/json/tool.py
+++ b/Lib/json/tool.py
@@ -46,7 +46,8 @@ def main():
'to validate and pretty-print JSON objects.')
parser = argparse.ArgumentParser(description=description, color=True)
parser.add_argument('infile', nargs='?',
- help='a JSON file to be validated or pretty-printed',
+ help='a JSON file to be validated or pretty-printed; '
+ 'defaults to stdin',
default='-')
parser.add_argument('outfile', nargs='?',
help='write the output of infile to outfile',
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