--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test-data/samples/sample4/duplicate_reads_metrics.txt	Wed Jan 24 14:18:21 2018 -0500
@@ -0,0 +1,112 @@
+## htsjdk.samtools.metrics.StringHeader
+# MarkDuplicates INPUT=[samples/sample4/reads.sorted.bam] OUTPUT=samples/sample4/reads.sorted.deduped.bam METRICS_FILE=samples/sample4/duplicate_reads_metrics.txt VERBOSITY=WARNING    MAX_SEQUENCES_FOR_DISK_READ_ENDS_MAP=50000 MAX_FILE_HANDLES_FOR_READ_ENDS_MAP=8000 SORTING_COLLECTION_SIZE_RATIO=0.25 TAG_DUPLICATE_SET_MEMBERS=false REMOVE_SEQUENCING_DUPLICATES=false TAGGING_POLICY=DontTag CLEAR_DT=true ADD_PG_TAG_TO_READS=true REMOVE_DUPLICATES=false ASSUME_SORTED=false DUPLICATE_SCORING_STRATEGY=SUM_OF_BASE_QUALITIES PROGRAM_RECORD_ID=MarkDuplicates PROGRAM_GROUP_NAME=MarkDuplicates READ_NAME_REGEX=<optimized capture of last three ':' separated fields as numeric values> OPTICAL_DUPLICATE_PIXEL_DISTANCE=100 MAX_OPTICAL_DUPLICATE_SET_SIZE=300000 QUIET=false VALIDATION_STRINGENCY=STRICT COMPRESSION_LEVEL=5 MAX_RECORDS_IN_RAM=500000 CREATE_INDEX=false CREATE_MD5_FILE=false GA4GH_CLIENT_SECRETS=client_secrets.json USE_JDK_DEFLATER=false USE_JDK_INFLATER=false
+## htsjdk.samtools.metrics.StringHeader
+# Started on: Wed Jan 03 20:46:32 UTC 2018
+
+## METRICS CLASS	picard.sam.DuplicationMetrics
+LIBRARY	UNPAIRED_READS_EXAMINED	READ_PAIRS_EXAMINED	SECONDARY_OR_SUPPLEMENTARY_RDS	UNMAPPED_READS	UNPAIRED_READ_DUPLICATES	READ_PAIR_DUPLICATES	READ_PAIR_OPTICAL_DUPLICATES	PERCENT_DUPLICATION	ESTIMATED_LIBRARY_SIZE
+Unknown Library	655	9117	0	0	103	3	0	0.005771	13850242
+
+## HISTOGRAM	java.lang.Double
+BIN	VALUE
+1.0	1
+2.0	1.999342
+3.0	2.998026
+4.0	3.996053
+5.0	4.993424
+6.0	5.990138
+7.0	6.986196
+8.0	7.981599
+9.0	8.976347
+10.0	9.97044
+11.0	10.963879
+12.0	11.956665
+13.0	12.948797
+14.0	13.940276
+15.0	14.931103
+16.0	15.921277
+17.0	16.9108
+18.0	17.899672
+19.0	18.887894
+20.0	19.875465
+21.0	20.862386
+22.0	21.848658
+23.0	22.83428
+24.0	23.819255
+25.0	24.803581
+26.0	25.787259
+27.0	26.77029
+28.0	27.752674
+29.0	28.734412
+30.0	29.715503
+31.0	30.695949
+32.0	31.67575
+33.0	32.654906
+34.0	33.633418
+35.0	34.611286
+36.0	35.58851
+37.0	36.565092
+38.0	37.541031
+39.0	38.516327
+40.0	39.490982
+41.0	40.464995
+42.0	41.438368
+43.0	42.4111
+44.0	43.383191
+45.0	44.354644
+46.0	45.325457
+47.0	46.295631
+48.0	47.265166
+49.0	48.234064
+50.0	49.202324
+51.0	50.169947
+52.0	51.136933
+53.0	52.103283
+54.0	53.068997
+55.0	54.034076
+56.0	54.998519
+57.0	55.962328
+58.0	56.925503
+59.0	57.888043
+60.0	58.849951
+61.0	59.811225
+62.0	60.771867
+63.0	61.731877
+64.0	62.691255
+65.0	63.650002
+66.0	64.608117
+67.0	65.565603
+68.0	66.522458
+69.0	67.478684
+70.0	68.43428
+71.0	69.389248
+72.0	70.343587
+73.0	71.297298
+74.0	72.250381
+75.0	73.202838
+76.0	74.154668
+77.0	75.105871
+78.0	76.056448
+79.0	77.0064
+80.0	77.955727
+81.0	78.904429
+82.0	79.852507
+83.0	80.799961
+84.0	81.746791
+85.0	82.692999
+86.0	83.638583
+87.0	84.583546
+88.0	85.527887
+89.0	86.471606
+90.0	87.414704
+91.0	88.357182
+92.0	89.29904
+93.0	90.240277
+94.0	91.180896
+95.0	92.120895
+96.0	93.060276
+97.0	93.999039
+98.0	94.937184
+99.0	95.874711
+100.0	96.811622
+