Build final Perl program from `incdec.pm`

Build an intermediary Perl file that includes the extra lines that call
`incdec()`. This whole file should be included in the final Bash
function `perl -e` call.

1 files changed, 7 insertions, 0 deletions

diff --git a/incdec.pl.m4 b/incdec.pl.m4
new file mode 100644
index 0000000..03fb905
--- /dev/null
+++ b/incdec.pl.m4
@@ -0,0 +1,7 @@
+use strict;
+use warnings;
+
+include(`incdec.sub.pl')dnl
+
+my $output = incdec($line, $increment_by, $point_position, $backward);
+print $output;