On Dec 17, 2012, at 4:04 AM, Simonas Kecorius wrote: > Hey R users, > > suppose we have data: > txt <- readLines(textConnection("[1] 2010.12.26 00:00:52 688,88 11,69 43,00 [2] 11,69 43,00 [3] 11,69 43,00 [4] 11,69 43,00 [5] 11,69 43,00 [6] 11,69 43,00 [7] 11,69 43,00 [8] 11,69 43,00 [9] 11,69 43,00 [10] 11,69 43,00 [11] 11,69 43,00 [12] 11,69 43,00 [13] 11,69 43,00 [14] 11,69 43,00 [15] 11,69 43,00 [16] 11,69 43,00 [17] 11,69 43,00 [18] 11,69 43,00 [19] 11,69 43,00 [20] 11,69 43,00 [21] 11,69 43,00 [22] 11,69 43,00 [23] 11,69 43,00 [24] 11,69 43,00 [25] 11,69 43,00 [26] 11,69 43,00 [27] 11,69 43,00 [28] 11,69 43,00 [29] 11,69 43,00 [30] 11,69 43,00 [31] 11,69 43,00 [32] 11,69 43,00 [33] 11,69 43,00 [34] 11,69 43,00 [35] 11,69 43,00 [36] 11,69 43,00 [37] 11,69 43,00 [38] 11,69 43,00 [39] 11,69 43,00 [40] 11,69 43,00 [41] 11,69 43,00 [42] 11,69 43,00 [43] 11,69 43,00 [44] 11,69 43,00 [45] 11,69 43,00 [46] 11,69 43,00 [47] 11,69 43,00 [48] 11,69 43,00 [49] 11,69 43,00 [50] 11,69 43,00 [51] 11,69 43,00 [52] 11,69 43,00 [53] 11,69 43,00 [54] 11,69 43,00 [55] 11,69 43,00 [56] 11,69 43,00 [57] 11,69 43,00 [58] 11,69 43,00 [59] 11,69 43,00 [60] 11,69 43,00 [61] 2010.12.26 00:01:52 696,19 11,69 43,00 [62] 11,69 43,00 [63] 11,69 43,00 [64] 11,69 43,00 [65] 11,69 43,00 [66] 11,69 43,00"))
txt <- sub("\\[.+\\]","", txt) read.table(text=txt[ grepl("[[:digit:]]{4}\\.", txt) ] ) V1 V2 V3 V4 V5 1 2010.12.26 00:00:52 688,88 11,69 43,00 2 2010.12.26 00:01:52 696,19 11,69 43,00 Since you seemed to be using commas for decimal points I thought search for "NNNN." as a pattern might be sufficient, but you could extend that to a full date matching pattern if needed. > ..................................... etc. > > Is there a way to split data into date column, V2, V3 and V4 columns and > erase those lines without date, so that data would look like that: > > date V2 V3 V4 > 2010.12.26 00:01:52 555 11.67 44 > 2010.12.26 00:02:52 566 11.67 44 > > etc. > > Thanks a lot! > > > -- > Simonas Kecorius > ** > > [[alternative HTML version deleted]] Please read the Posting Guide and learn to post in plain text. David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.