[PR] BEAM-13231: Add glob wildcard escaping utilities to FileSystems [beam]

Thu, 20 Nov 2025 01:54:45 -0800 


Arunodoy18 opened a new pull request, #36868:
URL: https://github.com/apache/beam/pull/36868

   This commit adds support for escaping and unescaping glob wildcard 
characters in file path specifications, addressing the issue where files with 
literal glob metacharacters (*, ?, {, }) in their names cannot be matched.
   
   Changes:
   - Added escapeGlobWildcards(String spec) method to escape glob 
metacharacters by prefixing them with backslash
   - Added unescapeGlobWildcards(String spec) method to remove backslash 
prefixes from escaped glob characters
   - Added comprehensive test cases for both methods including round-trip 
testing
   
   These utilities provide the foundation for allowing users to treat glob 
metacharacters as literals when they appear in actual filenames.
   
   Fixes BEAM-13231
   
   **Please** add a meaningful description for your change here
   
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