Checks if raw data files have any spectra or chromatograms

Helper functions to check whether raw files contain spectra or chromatograms.

hasSpectra(files)

hasChromatograms(files)

Arguments

files

A character() with raw data filenames.

Value

A logical(n) where n == length(x) with TRUE if that files contains at least one spectrum, FALSE otherwise.

Author

Laurent Gatto

Examples

f <- msdata::proteomics(full.names = TRUE)[1:2]
hasSpectra(f)
#>                /__w/_temp/Library/msdata/proteomics/MRM-standmix-5.mzML.gz 
#>                                                                      FALSE 
#> /__w/_temp/Library/msdata/proteomics/MS3TMT10_01022016_32917-33481.mzML.gz 
#>                                                                       TRUE 
hasChromatograms(f)
#>                /__w/_temp/Library/msdata/proteomics/MRM-standmix-5.mzML.gz 
#>                                                                       TRUE 
#> /__w/_temp/Library/msdata/proteomics/MS3TMT10_01022016_32917-33481.mzML.gz 
#>                                                                       TRUE