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I'm trying to run bwa on HiC data. This is the command I'm giving:

bwa mem -5SP -T0 -t4 -R '@RG\tID:\tSM:\tLB:\tPL:ILLUMINA\tPU:none' REFERENCE.fa PAIR1.fq PAIR2.fq

and here's the error message:

mem: illegal option -- 5

Supposedly, the 5SP option is for HiC data (cite), but my BWA isn't recognizing it. Anybody have any ideas? My initial thought is to update BWA to the newest version, but I don't want to mess with our replicatibility since I am new to the lab and don't want to be updating software when I don't need to. The server is a Mac Pro and bwa version is 0.7.12-r1039. Thanks.

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    $\begingroup$ You can use conda to install and test the desired version of bwa to test. This will not interfere with whatever version installed on the server. $\endgroup$
    – haci
    Oct 12, 2020 at 9:29

2 Answers 2

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This option has been added in 0.7.16a, see https://github.com/lh3/bwa/releases, so consider updating.

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  • $\begingroup$ Thanks for providing exactly the answer needed! $\endgroup$
    – Jeff
    Oct 12, 2020 at 19:57
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Your link with those command line options is 1 year old. Looks like that version of bwa is 6 years old. You probably should update.

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