test/jdk/sun/tools/jstat/gcOldOutput1.awk

#
# matching the following output specified as a pattern that verifies
# that the numerical values conform to a specific pattern, rather than
# specific values.
#
#   MC       MU      CCSC     CCSU       OC          OU       YGC    FGC    FGCT     GCT   
#  5120.0   4152.0    512.0    397.9      6144.0       200.0      1     0    0.000    0.005


BEGIN	{
	    headerlines=0; datalines=0; totallines=0
	}

/^   MC       MU      CCSC     CCSU       OC          OU       YGC    FGC    FGCT     GCT   $/	{
	    headerlines++;
	}

/^[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+[ ]*[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+$/	{
	    datalines++;
	}

	{ totallines++; print $0 }

END	{
	    if ((headerlines == 1) && (datalines == 1)) {
	        exit 0
	    }
	    else {
	        exit 1
	    }
	}