awk: support "length" form of "length()". Closes 8371

function                                             old     new   delta
parse_expr                                           805     848     +43
tokenlist                                            447     448      +1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/testsuite/awk.tests b/testsuite/awk.tests
index 9e6952ffd..adab4ae1e 100755
--- a/testsuite/awk.tests
+++ b/testsuite/awk.tests
@@ -281,6 +281,11 @@ testing "awk length(array)" \
         "2\n" \
         "" ""
 
+testing "awk length()" \
+        "awk '{print length; print length(); print length(\"qwe\"); print length(99+9)}'" \
+        "3\n3\n3\n3\n" \
+        "" "qwe"
+
 testing "awk -f and ARGC" \
         "awk -f - input" \
         "re\n2\n" \