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# GN AST
A Python library for working with GN files via abstract syntax tree (AST).
## JNI Refactor Example
This library was originally created to perform the refactor within
`jni_refactor.py`. The file is left as an example.
```sh
# To apply to all files:
find -name BUILD.gn > file-list.txt
# To apply to those that match a pattern:
grep -r --files-with-matches --include "BUILD.gn" "some pattern" > file-list.txt
# To run one-at-a-time:
for f in $(cat file-list.txt); do python3 jni_refactor.py "$f"; done
# To run in parallel:
parallel python3 jni_refactor.py -- $(cat file-list.txt)
```