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...ata.i" object. My goal, obviously was to have something like data.201, data.202, etc (second order problem) 2- I wonder if the sintax for the index ($2 >=", i," && $2<", i+1,") works Thanks for your help (hoping I manged to be enough clear), marco -- Marco Grazzi

...t loop for(i in file.names){ dati <- read.table(pipe("gbget 'i[160](1)' '[37](1)' '[145](1)' |gbget '()D' ")) # [...] some statistical analysis follows [...] } Thanks for your help (hoping I manged to be enough clear), marco -- Marco Grazzi ----- PhD Candidate in Economics and Management LEM-Sant'Anna School of Advanced Studies Piazza Martiri della Liberta', 33 56127 Pisa, Italy Tel. +39-050-883365 Fax +39-050-883344 Web site: https://mail.sssup.it/~grazzi

...scripts from within R. I have a large data file which I process (for instance with gawk, but not only) before performing some statistics. I would like to do this in R, so that I do not have to save many data files and then making analysis on them (which proved to be unefficient) Thank you Marco Grazzi