Extract filename from a GEO download URL

This function extracts the filename from a GEO download URL. The filename is expected to be a query parameter called "file". If the query parameter is not found, the function returns NULL.

Usage

extractFilenameFromDownloadURL(url)

Arguments

url

A GEO download URL

Value

A character vector with the filename

Details

The idea is to use this function to extract filenames that contain important metadata from the GEO RNA-seq quantification.

In particular, the filename is expected to contain the genome build and species information that we can attach to the SummarizedExperiment.