It has direct counterparts to all POSIX features, plus a number of extensions similar to ones found in Gawk, as well as some of its own: for instance, range expressions which freely combine with other expressions (including other range expressions), and range expressions which exclude either or both endpoints.
http://www.nongnu.org/txr/txr-manpage.html#N-000264BC
It has direct counterparts to all POSIX features, plus a number of extensions similar to ones found in Gawk, as well as some of its own: for instance, range expressions which freely combine with other expressions (including other range expressions), and range expressions which exclude either or both endpoints.