search for: mcr_beopest

...xed position (i.e. it does not always appears in a predictable location, like line 1000, or 2000, etc.). Rather, the desired values always follow a specific phrase: " PERCENT DISCREPANCY =" One approach I took was the following: library(R.utils) txt_con<-file(description="D:/MCR_BeoPEST - Copy/MCR.out",open="r") #The above will need to be altered if one desires to test code on the attached txt file, which will run much quicker system.time(num_lines<-countLines("D:/MCR_BeoPEST - Copy/MCR.out")) #elapsed time on full 1Gb file took about 55 seconds on a 3....