Fabio Zyserman <zyserman@xxxxxxxxxxxxxxxxxx> wrote: > I have about eighty directories, > called data-nn, where nn=00,01,02,.... > in each of these directories I have > among others, an (ascii) data file with many thousends > lines. This data file has the same name in all > directories. > > I would like to know if it is possible, > via a bash script, to delete the first N > lines in this data file in all directories. > The modified file can overwrite the old one. Maybe you want something along the lines of (not tested!): for i in `seq -w 0 80`; do sed -i "1,${N}d" $i/filename; done - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html