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mzML writer: no valid checksum #7375

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sneumann opened this issue Feb 20, 2024 · 1 comment

sneumann commented Feb 20, 2024

Hi,

The file MSpos-Ex2-cyp79-48h-Ag-2_1-B,4_01_9830.mzML was converted to mzML with

                <software id="so_dp_sp_0_pm_1" version="2.4.0-GIT-NOTFOUND-GIT-NOTFOUND" >
                        <cvParam cvRef="MS" accession="MS:1000756" name="FileConverter" />
                </software>

and the checksum "0" in the index looks broken:

...
                <offset idRef="spectrum=3567">21569054</offset>
        </index>
</indexList>
<indexListOffset>21571144</indexListOffset>
<fileChecksum>0</fileChecksum>
</indexedmzML>

Yours,
Steffen

The text was updated successfully, but these errors were encountered:

Contributor

cbielow commented Feb 22, 2024

Hi Steffen,
checksums have never been implemented in our mzML stack.
see #2418
Here is the current source code to confirm: https://github.com/OpenMS/OpenMS/blob/develop/src/openms/source/FORMAT/HANDLERS/MzMLHandlerHelper.cpp#L131

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