From: perl-win32-users-boun...@listserv.activestate.com
[mailto:perl-win32-users-boun...@listserv.activestate.com] On Behalf Of Greg
VisionInfosoft
Sent: 05 April 2013 21:16
To: Perl-Win32-Users@listserv.ActiveState.com
Subject: confused by use of 'implied' variable
> im butche
Greg --
The "shortcuts" us the perl variable $_. That is, when no specific argument
is supplied, $_ is used by default.
s/x/y/;
while ( <> ) {...}
print;
All the above and more expect a value to work with, and if none is given,
perl uses $_ by default.
You get into trouble when you have a
im butchering a public script i found on the internet for purpose of doing
a CGI file upload.
theres one excerpt from the script that ive never used before. the few
lines...
while ( <$upload_filehandle> ) {
print UPLOADFILE;
}
if it were me, i would not write code this way, i write in a way