Description Usage Arguments Details Examples
The countTextLines function takes a filename vector and returns the number of lines contained in each file.
| 1 | countTextLines(filenames)
 | 
| filenames | Character. Vector of file-names to be opened. | 
Fastq files usually (but not guaranteed) contain four lines of text for each read. In many cases, this function can be used to count the number of reads in a fastq file.
| 1 2 | filename <- system.file("extdata", "test.fastq", package="rbamtools")
countTextLines(filename)
 | 
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