Question: problem in fastq-dump of SRA file
0
gravatar for majeedaasim
17 months ago by
majeedaasim30
United States
majeedaasim30 wrote:

I have downloaded an SRA file and named it "fastq.sra". Then I used fastq-dump as

fastq-dump fastq.sra --split-3 -I

BUt following error is shown

err: item not found while constructing within virtual database module - the path 'fastq.sra' cannot be opened as database or table

fastq-dump sra • 894 views
ADD COMMENTlink modified 17 months ago by jomo018480 • written 17 months ago by majeedaasim30

When possible search EBI-ENA with your SRA# and directly download fastq files avoiding all such issues.

ADD REPLYlink written 17 months ago by genomax68k
1
gravatar for Matt Shirley
17 months ago by
Matt Shirley9.0k
Cambridge, MA
Matt Shirley9.0k wrote:

How did you download the file? It’s likely that you’ve downloaded something like an error page. The first 8 bytes of the file should be ‘NCBI.sra’ (see here) which you can confirm by dumping the ASCII strings in the file:

$ strings fastq.sra | head -n1
NCBI.sra
ADD COMMENTlink written 17 months ago by Matt Shirley9.0k
0
gravatar for Ram
17 months ago by
Ram130
Germany
Ram130 wrote:

I think you should use the correct path for the command like this:

 /path/fastq-dump --split-3 file.sra
ADD COMMENTlink modified 17 months ago • written 17 months ago by Ram130
0
gravatar for jomo018
17 months ago by
jomo018480
jomo018480 wrote:

Include the path of fastq.sra. For example:

fastq-dump ./fastq.sra --split-3 -I
ADD COMMENTlink written 17 months ago by jomo018480
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