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([187.94.15.112]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1831c4d4675sm20404082c88.21.2026.10.18.05.56.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Oct 2026 05:56:51 -0700 (PDT) From: Breno Rodrigues Alves To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , Shuah Khan , Breno Rodrigues Alves Subject: [RFC PATCH 1/5] perf/kselftest: convert prefix.pl to Python Date: Sun, 18 Oct 2026 09:56:37 -0300 Message-ID: <20261018125641.23064-2-breno3011alves@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261018125641.23064-1-breno3011alves@gmail.com> References: <20261018125641.23064-1-breno3011alves@gmail.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Faithful re-implementation of tools/testing/selftests/kselftest/ prefix.pl in Python 3 (stdlib only). Same unbuffered stdin-to-stdout processing, same "# " prefix behavior. Verified byte-for-byte identical to the Perl version. Signed-off-by: Breno Rodrigues Alves --- tools/testing/selftests/kselftest/prefix.py | 24 +++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100755 tools/testing/selftests/kselftest/prefix.py diff --git a/tools/testing/selftests/kselftest/prefix.py b/tools/testing/selftests/kselftest/prefix.py new file mode 100755 index 000000000..2bf16b37d --- /dev/null +++ b/tools/testing/selftests/kselftest/prefix.py @@ -0,0 +1,24 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 +# Prefix all lines with "# ", unbuffered. + +import sys + + +def main(): + needed = True + while True: + char = sys.stdin.buffer.read(1) + if not char: + return 0 + if needed: + sys.stdout.buffer.write(b"# ") + needed = False + sys.stdout.buffer.write(char) + sys.stdout.buffer.flush() + if char == b"\n": + needed = True + + +if __name__ == "__main__": + sys.exit(main()) \ No newline at end of file -- 2.43.0