Description Usage Arguments Value Author(s)
Which lines do various patterns exist on?
1 | Sys.grepline(pattern, file, first = FALSE)
|
pattern |
a grep pattern. no spaces allowed! |
file |
the file to search within |
first |
logical: if |
a vector of indices. if pattern is not found, 0 is returned.
Mark Cowley, 2011-08-04
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