diff options
| -rw-r--r-- | editors/awk.c | 12 | ||||
| -rwxr-xr-x | testsuite/awk.tests | 7 |
2 files changed, 19 insertions, 0 deletions
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]) { diff --git a/testsuite/awk.tests b/testsuite/awk.tests index d4c390d..f9c3b6b 100755 --- a/testsuite/awk.tests +++ b/testsuite/awk.tests @@ -217,4 +217,11 @@ end d testing "awk handles empty ()" \ "awk 'BEGIN {print()}' 2>&1" "awk: cmd. line:1: Empty sequence\n" "" "" +testing "awk FS assignment" "awk '{FS=\":\"; print \$1}'" \ + "a:b\ne\n" \ + "" \ + "a:b c:d\ne:f g:h" + +# testing "description" "command" "result" "infile" "stdin" + exit $FAILCOUNT |