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2005 Aug 03
2
regexpr and portability issue
...orging my first arms with R and I am fighting with regexpr() as
well as portability between unix and windoz. I need to extract barcodes from
filenames (which are located between a double and single underscore) as well
as the directory where the filename is residing. Here is the solution I came
to:
aFileName <-
"/Users/marco/Desktop/diagnosticAnalysis/test/MA__251329410021_S01_A01.txt"
t <- regexpr("__\\d*_",aFileName, perl=T)
t.dir <- regexpr("^.*/", aFileName, perl=T)
base.name <- substr(aFileName, t+2, t-2 + attr(t,"match.length"))
base.dir <-...