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Changelog

0.3.2

New features

  • cat multi-path support — cat now accepts multiple paths and concatenates their contents (POSIX-standard behavior). Example: cat /auth/state /auth/login /auth/logout outputs all three files joined by newlines. Works with --range and piping.

Performance

  • Eliminated recursion limits — Converted all 9 recursive tree-walk functions (emit, grep, tree, find, walk, glob, du, backlinks, sed) to iterative stack-based traversal. Previously, grep, find, du, and tree would crash with RecursionError on trees deeper than ~1,000 levels. Now handles 10,000+ levels with no issues.

    Operation Before (5,000 deep) After (5,000 deep)
    grep RecursionError 258ms
    find RecursionError 2.8ms
    du RecursionError 0.4ms
    tree RecursionError 81ms
    serialize RecursionError 1.8ms

  • Benchmarked at scale — 100K files (8.9 MB raw): full-tree grep in 49ms, find in 29ms, cat in 0.06ms. See stress_test.py.

Documentation

  • Added Performance section to README with benchmark tables.
  • Added stress_test.py for reproducible benchmarks.

0.3.0

New features

  • grep(lines=True) — search file content line-by-line and return path:lineno:line strings instead of just paths. Works with ignore_case, invert, and path scoping.
  • Shell grep -n — new -n flag for the shell grep command that activates line-match mode. Composable with existing flags (grep -ni pattern /path). Also works on piped stdin.
  • slugify() — new utility (from loopy import slugify) that converts any string into a valid Loopy path segment. Lowercases, replaces invalid characters with hyphens, preserves dots and underscores. Returns "item" for empty input.

Documentation

  • Updated README with grep(lines=True), grep -n, and slugify() docs.
  • Added this changelog.

0.2.3

  • Export FileBackedLoopy, load, save from main module.

0.2.2

  • Add mutation hook (on_mutate) and file-backed store.

0.2.1

  • Shell improvements: printf, test fixes.

0.2.0

  • Initial public release with core filesystem API, shell, symlinks, and file-backed persistence.