interpreter: implement RS regexp and blank-line record splitting by Franklin-Qi · Pull Request #133 · uutils/awk

Franklin-Qi · 2026-10-09T08:50:58Z

Wire RT as a builtin and finish the missing RS modes (multi-char regexp and RS="") so record boundaries and RT match gawk.

Closes: #124

github-actions · 2026-10-09T08:53:38Z

GNU awk testsuite comparison:

Test results comparison:
  Current:   TOTAL: 666 / PASSED: 97 / FAILED: 471 / SKIPPED: 98
  Reference: TOTAL: 666 / PASSED: 90 / FAILED: 478 / SKIPPED: 98

Changes from main branch:
  TOTAL: +0
  PASSED: +7
  FAILED: -7

New test failures (1):
  - rscompat

Test improvements (8):
  + fpat8
  + fsnul1
  + leadnl
  + nlinstr
  + nulrsend
  + onlynl
  + rs
  + rsnul1nl

github-actions · 2026-10-09T09:14:55Z

GNU awk testsuite comparison:

Test results comparison:
  Current:   TOTAL: 666 / PASSED: 98 / FAILED: 470 / SKIPPED: 98
  Reference: TOTAL: 666 / PASSED: 90 / FAILED: 478 / SKIPPED: 98

Changes from main branch:
  TOTAL: +0
  PASSED: +8
  FAILED: -8

Test improvements (8):
  + fpat8
  + fsnul1
  + leadnl
  + nlinstr
  + nulrsend
  + onlynl
  + rs
  + rsnul1nl

github-actions · 2026-10-10T10:29:18Z

GNU awk testsuite comparison:

Test results comparison:
  Current:   TOTAL: 666 / PASSED: 97 / FAILED: 471 / SKIPPED: 98
  Reference: TOTAL: 666 / PASSED: 90 / FAILED: 478 / SKIPPED: 98

Changes from main branch:
  TOTAL: +0
  PASSED: +7
  FAILED: -7

New test failures (1):
  - rscompat

Test improvements (8):
  + fpat8
  + fsnul1
  + leadnl
  + nlinstr
  + nulrsend
  + onlynl
  + rs
  + rsnul1nl

Wire RT as a builtin and finish the missing RS modes (multi-char regexp and RS=""). Cache the RS automaton, keep reading when a match touches the buffer end, and consume rs_leftover when RS switches mid-file. Closes: uutils#124

github-actions · 2026-10-16T03:06:48Z

GNU awk testsuite comparison:

Test results comparison:
  Current:   TOTAL: 666 / PASSED: 98 / FAILED: 470 / SKIPPED: 98
  Reference: TOTAL: 666 / PASSED: 90 / FAILED: 478 / SKIPPED: 98

Changes from main branch:
  TOTAL: +0
  PASSED: +8
  FAILED: -8

Test improvements (8):
  + fpat8
  + fsnul1
  + leadnl
  + nlinstr
  + nulrsend
  + onlynl
  + rs
  + rsnul1nl

Alonely0 · 2026-10-16T08:28:34Z

Sorry about the delay, I'm in EuroRust this week. Let me get the PRs reviewed today or this weekend.