#
# matching the following output specified as a pattern that verifies
# that the numerical values conform to a specific pattern, rather than
# specific values.
#
# -gc 0
#
#    S0C         S1C         S0U         S1U          EC           EU           OC           OU          MC         MU       CCSC      CCSU     YGC     YGCT     FGC    FGCT     CGC    CGCT       GCT   
#        0.0      2048.0         0.0      1079.5       4096.0          0.0       2048.0          0.0     7680.0     7378.6     768.0     664.7      4     0.140     0     0.000     0     0.000     0.140
#
# -J-XX:+UseParallelGC -gc 0
#
#    S0C         S1C         S0U         S1U          EC           EU           OC           OU          MC         MU       CCSC      CCSU     YGC     YGCT     FGC    FGCT     CGC    CGCT       GCT   
#      512.0       512.0       512.0         0.0       6144.0        634.8       5632.0        748.1     8320.0     7851.5     896.0     730.2      4     0.171     0     0.000     -         -     0.171


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

/^    S0C         S1C         S0U         S1U          EC           EU           OC           OU          MC         MU       CCSC      CCSU     YGC     YGCT     FGC    FGCT     CGC    CGCT       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]+[ ]*[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
     }
 }