1#
2# matching the following output specified as a pattern that verifies
3# that the numerical values conform to a specific pattern, rather than
4# specific values.
5#
6#  S0     S1     E      O      M     CCS    YGC     YGCT    FGC    FGCT     GCT    LGCC                 GCC                 
7#  0.00   0.00   0.00   9.97  90.94  87.70      2    0.013     0    0.000    0.013 Allocation Failure   No GC
8
9
10BEGIN	{
11	    headerlines=0; datalines=0; totallines=0
12	}
13
14/^  S0     S1     E      O      M     CCS    YGC     YGCT    FGC    FGCT     GCT    LGCC                 GCC                 $/	{
15	    headerlines++;
16	}
17
18# The following pattern does not verify the validity of the gc cause
19# string as the values can vary depending on conditions out of our
20# control. To accomodate this variability, the pattern matcher simply
21# detects that there are two strings that match a specific pattern
22# where the first character is a letter followed by a sequence of zero
23# or more letters and spaces. It also provides for the ".", "(", and ")"
24# characters to allow for the string "System.gc()".
25#
26/^[ ]*[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]+[ ]*[a-zA-Z]+[a-zA-Z \.\(\)]*[ ]*[a-zA-Z]+[a-zA-Z \.\(\)]*$/	{
27	    datalines++;
28	}
29
30	{ totallines++; print $0 }
31
32END	{
33	    if ((headerlines == 1) && (datalines == 1)) {
34	        exit 0
35	    }
36	    else {
37	        exit 1
38	    }
39	}
40