0eefe764_elWiki__Awk_Feature_Comparison__jawk_1_02
[Feature] length(array) [POSIX awk] no [GNU awk 3.1.6] yes (new in 3.1.5), but not in POSIX mode [Busybox awk 1.11.3] no [mawk 1.3.3] no [nawk (solaris 2.8)] no no [tawk x.xx] unknown yes! [NetBSD? awk 20030729] yes [jawk 1.02] 
no
y e s
n o
AwkChannelWiki: Awk Feature Comparison
jawk 1.02