/usr/local2/tophat-2.0.9.Linux_x86_64/prep_reads: /lib64/libz.so.1: no version information available (required by /usr/local2/tophat-2.0.9.Linux_x86_64/prep_reads)
prep_reads v2.0.9 (4112M)
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864606 out of 18964588 reads have been filtered out