preprocessing: changed qin/qout params in rm_host_bbmap_lr_metag (issue #124)

workflow/rules/preprocessing.smk

@@ -162,12 +162,10 @@ rule rm_host_bbmap_lr_metag:
     message:
         "Preprocessing metaG long reads: bbmap - rm host contamination"
     shell:
-        # NOTE: ignorebadquality: otherwise aborted
-        #       qin=64: no Sanger encoding
         "(date && "
         "refs=$(echo \"{input.refs}\" | tr ' ' ',') && "
         "bbduk.sh in={input.lr} out={output.lr} ref=\"${{refs}}\" refstats={output.stats} "
-        "ignorebadquality qin=64 qout=64 k=31 rcomp=t ziplevel=9 ordered=t threads={threads} && "
+        "qin=33 qout=33 k=31 rcomp=t ziplevel=9 ordered=t threads={threads} && " # qin/qout: issue 124
         "date) &> {log}"
 
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