find alone on a unix displays a help/usage message. find alone in a CMD window performs similarly.

The following on a unix is a bit weird to me at first:

$ find . -name "*.pl" | perl -ne "print qq($_) . qw(foo)"
foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoof
+oofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoof
+oofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoof
+oofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoof
+oofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoof
+oofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo
[download]

... time passes, nodes are read, code is crafted, head is scratched, lightbulb illuminates, reply text is angrily deleted ...

I just went through the exercise of determining why I easily replicated tphyahoo's behavior, with an incorrect dissection of the differences between -n and -p, then I finally realized the same thing sfink did...

$ perl -ne 'print "$_ foo" ' perl.txt
./.cpan/build/DateTime-0.30/tools/leap_seconds_header.pl
 foo./.cpan/build/DateTime-TimeZone-0.40/t/check_datetime_version.pl
[download]

Had you taken the TOP 'snippet' of output, you'd've VERY quickly seen the explanation :)

$/  =  q#(\w)#  ;  sub  sig { print scalar reverse  join  ' ',  @_  } 
+ sig
map { s$\$/\$/$\$2\$1$g && $_ } split( ' ', ",erckha rlPe erthnoa stJu
+" );
[download]