index a large file to get lines faster
I wonder if a bash tool exist to index a text file composed of different line length. For example, Line number x will be associated to the bytes y and the length z! Then it will be faster to get the line using byte pointer like file.seek or dd bash command.
1 answer
Log in to answer this question.
More posts like this
-
Am I understanding PCA for protein analysis correctly?
written by Sam •
-
Tools to check the length of isoforms in reference transcript
written by shinyjj •
-
Statistical analysis of a bioassay with R
written by martinogabriele •
-
Biopython byte positions are not compatible with bgzip
written by b10hazard •
-
Bash script error on reading coordinates in a file
written by Ali HEBRA •
-
How to change bar width and axis breaks in a 3D plot made with rgl package
written by IOM •
-
Estimate total number of KMERs from a FASTQ file
written by sumerc •
-
cell migration (X and Y axis) measurement using R
written by chrisclarkson100
-
trying to put values of two dimensionless files side by side
written by chrisclarkson100
-
post-mortem brain gene expression, comparing tissue sample points across brains
written by avari
Hello sacha!
We believe that this post does not fit the main topic of this site.
This sounds like a pure programming question that might fit better on stackoverflow. If you have a specific bioinformatics data type in mind please add to question.
For this reason we have closed your question. This allows us to keep the site focused on the topics that the community can help with.
If you disagree please tell us why in a reply below, we'll be happy to talk about it.
Cheers!