search for: 121,000

I've been trying to figure out how to read in a large file for a few days now, and after extensive research I'm still not sure what to do. I have a large comma delimited text file that contains 59 fields in each record. There is also a header every 121 records This function works well for smallish records getcsv=function(fname){ ff=file(description = fname) x <- readLines(ff) closeAllConnections() x <- x[x != ""] # REMOVE BLANKS x=x[grep("^[-0-9]", x)] # REMOVE ALL TEXT spl=strsplit(x,...

...mbers of the army. The advancing part is cross-hatched, the retreating part is solid black. Place-names and rivers are marked in text. Every so often, the numerical values of the surviving numbers are written in at the positions they apply to: 422,000 -> 400,000 -> 175,000 -> 145,000 -> 121,000 -> 100,000 [MOSCOW]. Then, on the retreat: [MOSCOW] 100,000 -> 96,000 -> 87,000 -> 55,000 -> 37,000 -> 24,000 -> 20,000 -> 50,000 [picking up 30,000 out of an original 50,000 who'd peeled off from the original advance early on and were now in retreat] -> 28,000 -...