Re: [R] Text data

[,3]) > text[o] [1] 20M_AN_C.bmp" "22M_AN_C.bmp" "26M_AN_C.bmp" "31M_AN_C.bmp" "20M_HA_O.bmp" [6] "22M_HA_O.bmp" "26M_HA_O.bmp" "38M_HA_O.bmp" -----Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@

Re: [R] Text data

This will sort on those characters: > x <- readLines(textConnection("26M_AN_C.bmp + 22M_AN_C.bmp + 20M_HA_O.bmp + 20M_AN_C.bmp + 26M_HA_O.bmp + 22M_HA_O.bmp + 31M_AN_C.bmp + 38M_HA_O.bmp")) > closeAllConnections() > # pick off characters between "_" > sortKey <- sub(".*_(.+)_.*", "\\1", x) > sortK

[R] Text data

i have a data column of text entries: 26M_AN_C.bmp 22M_AN_C.bmp 20M_HA_O.bmp 20M_AN_C.bmp 26M_HA_O.bmp 22M_HA_O.bmp 31M_AN_C.bmp 38M_HA_O.bmp . . . . And I would like to sort by the middle tag: AN, HA, etc. Is there a way to parse text data in R? In excel, I would have used the "left" and "rig