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Diffstat (limited to 'test/parse1.awk')
| -rw-r--r-- | test/parse1.awk | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/parse1.awk b/test/parse1.awk new file mode 100644 index 00000000..84906c49 --- /dev/null +++ b/test/parse1.awk @@ -0,0 +1,35 @@ +# Date: Fri, 06 Jan 2006 14:02:17 -0800 +# From: Paul Eggert <eggert@CS.UCLA.EDU> +# Subject: gawk misparses $expr++ if expr ends in ++ +# To: bug-gawk@gnu.org +# Message-id: <87irsxypzq.fsf@penguin.cs.ucla.edu> +# +# Here's an example of the problem: +# +# $ gawk 'BEGIN{a=3}{print $$a++++}' +# gawk: {print $$a++++} +# gawk: ^ syntax error +# +# But it's not a syntax error, as the expression conforms to the POSIX +# spec: it should be treated like '$($a++)++'. +# +# Mawk, Solaris awk (old awk), and Solaris nawk all accept the +# expression. For example: +# +# $ echo '3 4 5 6 7 8 9' | nawk 'BEGIN{a=3}{print $$a++++}' +# 7 +# +# This is with gawk 3.1.5 on Solaris 8 (sparc). +# +# +# ##################################################################################### +# This Mail Was Scanned by 012.net AntiVirus Service1- Powered by TrendMicro Interscan +# +BEGIN { a = 3 } + +{ + print "in:", $0 + print "a =", a + print $$a++++ + print "out:", $0 +} |