From df8066a78ccd9b899244145f6be0171957a41a1e Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 11 Jul 2012 01:27:15 +0200 Subject: awk: fix FS assignment behavior. Closes 5108 Signed-off-by: Denys Vlasenko --- editors/awk.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'editors') diff --git a/editors/awk.c b/editors/awk.c index d69720d..42f6ef8 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -1812,6 +1812,18 @@ static void handle_special(var *v) is_f0_split = FALSE; } else if (v == intvar[FS]) { + /* + * The POSIX-2008 standard says that changing FS should have no effect on the + * current input line, but only on the next one. The language is: + * + * > Before the first reference to a field in the record is evaluated, the record + * > shall be split into fields, according to the rules in Regular Expressions, + * > using the value of FS that was current at the time the record was read. + * + * So, split up current line before assignment to FS: + */ + split_f0(); + mk_splitter(getvar_s(v), &fsplitter); } else if (v == intvar[RS]) { -- cgit v1.1