Date: Fri, 23 May 2025 14:30:59 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 287020] sed(1) l (ell) command for <backslash> not in line with man page and POSIX Message-ID: <bug-287020-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287020 Bug ID: 287020 Summary: sed(1) l (ell) command for <backslash> not in line with man page and POSIX Product: Base System Version: 14.2-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: erichanskrs@gmail.com Using 14.2-RELEASE: For a <backslash> ("\") the sed l command*: - does not behave according to sed(1) - does not behave as it should as described by the POSIX text. The following occurs: [1-0] % /bin/echo 'n\n'| sed -n 'l' n\n$ [2-0] % Expected is: [5-0] % /bin/echo 'n\n'| sed -n 'l' n\\n$ [6-0] % https://man.freebsd.org/cgi/man.cgi?query=sed&apropos=0&sektion=1&manpath=FreeBSD+14.2-RELEASE&arch=default&format=html -- relevant sed(1) text " Sed Functions [...] [2addr]l (The letter ell.) Write the pattern space to the standard out- put in a visually unambiguous form. This form is as follows: backslash \\ [...] " https://pubs.opengroup.org/onlinepubs/9699919799/utilities/sed.html#tag_20_116_13_03 -- relevant POSIX text description: " [2addr]l (The letter ell.) Write the pattern space to standard output in a visually unambiguous form. The characters listed in XBD Escape Sequences and Associated Actions ( '\\', '\a', '\b', '\f', '\r', '\t', '\v' ) shall be written as the corresponding escape sequence; the '\n' in that table is not applicable. " https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap05.html#tagtcjh_2 -- Escape Sequences and Associated Actions: " Table: Escape Sequences and Associated Actions Escape Represents Sequence Character Terminal Action \\ <backslash> Print the <backslash> character. [...] " ___ * Not the most spectacular find but, I ran into this, so here it is. -- You are receiving this mail because: You are the assignee for the bug.home | help
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