PERLFILTER(1) Perl Programmers Reference Guide PERLFILTER(1)

PERLFILTER(1) Perl Programmers Reference Guide PERLFILTER(1) # PERLFILTER(1) Perl Programmers Reference Guide PERLFILTER(1) NNAAMMEE # perlfilter - Source Filters DDEESSCCRRIIPPTTIIOONN # This article is about a little-known feature of Perl called _s_o_u_r_c_e _f_i_l_t_e_r_s. Source filters alter the program text of a module before Perl sees it, much as a C preprocessor alters the source text of a C program before the compiler sees it. This article tells you more about what source filters are, how they work, and how to write your own. ...