Question: bigWigToWig operation fail
gravatar for martyferr90
3.0 years ago by
martyferr9030 wrote:

Hi all! I'm trying to use bigWigToWig tool, from UCSC, but I receive this error:

udc couldn't read 4 bytes from wgEncodeCrgMapabilityAlign75mer.bigWig, did read 0

My file is wgEncodeCrgMapabilityAlign75mer.bigWig and it's a 95Mb file. The permission of the bigWigToWig script is -rwxr-xr-x and I type the command:

./bigWigToWig wgEncodeCrgMapabilityAlign75mer.bigWig wgEncodeCrgMapabilityAlign75mer.wig

How can I resolve?

Thank you for your answer!

wig bigwigtowig • 1.0k views
ADD COMMENTlink written 3.0 years ago by martyferr9030

Are you sure the file you have is in bigWig format? Searching seems to indicate that the error you see is generated when the format of the file is not correct.

ADD REPLYlink modified 2.9 years ago • written 3.0 years ago by genomax92k

I think that you were right! I trusted the software's documentation. I download another wgEncodeCrgMapabilityAlign75mer.bigWig and it seems to work. Thank you for your help!

ADD REPLYlink written 2.9 years ago by martyferr9030

Hi Marty,

We are using the rapidr package and we were not able to find the mask file that should theoretically be included in the package. We read that you've been trying to get the file also and you faced the same problem than us so we would like to know if you find any solution. Thanks!

ADD REPLYlink written 2.8 years ago by roser.navarro0
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