A solution would be to go through SAM, add the extra tag and convert back to BAM:
samtools view -H old.bam > tmp.sam ; samtools view old.bam | awk '{printf "%s\tOQ:Z:%s\n", $0, $11}' >> tmp.sam && samtools view -bo new.bam tmp.sam From: Justin Jeyakani <gnanak...@gis.a-star.edu.sg> Sent: 20 April 2020 14:09 To: samtools-help@lists.sourceforge.net Subject: [Samtools-help] read and write a bam: but duplicate the quality column (11) and write one with "OQ:Z:" flag [EXT] Hi All, I have over 1000 bam files and I need to read and write them as bam files. The output bam shd contain a header with the alignment, but the column 11 (quality) to be repeated once, the second should contain quality with "OQ:Z:" flag. The script/package/tools shd be robust. Appreciated providing the script or tools to do this! Thanks in advance. **eg:** **input bam::** E00579:50:HK2VJALXX:6:1220:15300:41040 2115 chr1 9999 0 90H60M chr5 18606598 0 GATAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAAC JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJFJFJJJJFJJJJJFFJJJJJJJJJFJ<A SA:Z:chr5,18606834,-,51S99M,37,0; MD:Z:60 PG:Z:MarkDuplicates RG:Z:HK2VJALXX.6 NM:i:0 AS:i:60 XS:i:58 E00579:50:HK2VJALXX:6:1212:4066:24884 113 chr1 9999 0 34S60M56S chr5 18606897 0 CCTAGAACAGCTCTTCCTTTATTTTCTTTTTCTGGATAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACAGAGATAACTATTGATACAACACCTTCATGACCCTAAGGTACTATCATAGAGTTCT<<-FA-7<AFF<<<7<FJAF-JFJFF-J<JJAAJFFF-AAJJJJFJJJJJAJJJJJJFAJJJJJJJJFJJJJJJJJJJF<FJJJFJJJJFJJFJFJJJJJJJFJJJJJJJJJJFJJJJFJJJJJJJJFJJJJJJJJJJJJJJJJJFFFAA SA:Z:chr5,18606769,+,58M92S,0,0;chr5,18606834,+,107S43M,0,0; MD:Z:60 PG:Z:MarkDuplicates RG:Z:HK2VJALXX.6 NM:i:0 AS:i:60 XS:i:59 **output bam::** E00579:50:HK2VJALXX:6:1220:15300:41040 2115 chr1 9999 0 90H60M chr5 18606598 0 GATAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAAC JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJFJFJJJJFJJJJJFFJJJJJJJJJFJ<A SA:Z:chr5,18606834,-,51S99M,37,0; MD:Z:60 PG:Z:MarkDuplicates RG:Z:HK2VJALXX.6 NM:i:0 AS:i:60 XS:i:58 **OQ:Z:JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJFJFJJJJFJJJJJFFJJJJJJJJJFJ<A** E00579:50:HK2VJALXX:6:1212:4066:24884 113 chr1 9999 0 34S60M56S chr5 18606897 0 CCTAGAACAGCTCTTCCTTTATTTTCTTTTTCTGGATAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACCCTAACAGAGATAACTATTGATACAACACCTTCATGACCCTAAGGTACTATCATAGAGTTCT<<-FA-7<AFF<<<7<FJAF-JFJFF-J<JJAAJFFF-AAJJJJFJJJJJAJJJJJJFAJJJJJJJJFJJJJJJJJJJF<FJJJFJJJJFJJFJFJJJJJJJFJJJJJJJJJJFJJJJFJJJJJJJJFJJJJJJJJJJJJJJJJJFFFAA SA:Z:chr5,18606769,+,58M92S,0,0;chr5,18606834,+,107S43M,0,0; MD:Z:60 PG:Z:MarkDuplicates RG:Z:HK2VJALXX.6 NM:i:0 AS:i:60 XS:i:59 **OQ:Z:T<<-FA-7<AFF<<<7<FJAF-JFJFF-J<JJAAJFFF-AAJJJJFJJJJJAJJJJJJFAJJJJJJJJFJJJJJJJJJJF<FJJJFJJJJFJJFJFJJJJJJJFJJJJJJJJJJFJJJJFJJJJJJJJFJJJJJJJJJJJJJJJJJFFFAA** This e-mail and any attachments are only for the use of the intended recipient and may contain material that is confidential, privileged and/or protected by the Official Secrets Act. If you are not the intended recipient, please delete it or notify the sender immediately. Please do not copy or use it for any purpose or disclose the contents to any other person. -- The Wellcome Sanger Institute is operated by Genome Research Limited, a charity registered in England with number 1021457 and a company registered in England with number 2742969, whose registered office is 215 Euston Road, London, NW1 2BE.
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