v3.4.0

This release drops support for Go 1.15, which allows the code to start benefitting from io/fs.

• cmd/shfmt
  • Walks directories ~10% faster thanks to filepath.WalkDir
• syntax
  • Add Quote to mirror strconv.Quote for shell syntax
  • Skip null characters when parsing, just like Bash
  • Rewrite fuzzers with Go 1.18's native fuzzing
• fileutil
  • Add CouldBeScript2 using io/fs.DirEntry
• expand
  • Skip or stop at null characters, just like Bash
• interp
  • Set GID just like UID
  • Add support for read -p
  • Add support for pwd flags
  • Create random FIFOs for process substitutions more robustly
  • Avoid leaking an open file when interpreting $(<file)

Binaries built on go version go1.17.1 linux/amd64 via a shell script.

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