# Hack to work around serial barcode scanner which adds garbage (mostly
# /^[\xFD-\xFF]+/), by stripping everything except printable ASCII, since our
# old IBM terminal doesn't handle non-ascii that well anyway.

# For this plugin to be useful, it needs to be the FIRST in "revbank.plugins".

sub command {
    $_[2] =~ s/[^\x20-\x7E]//g;  # input is actually a mutable string
    return NEXT;
}