perlfaq4: How do I determine whether a scalar is a number/whole/integer/float?

[_brian_d_foy]

added newlines to two print statements since all of the other print statements
have them.

Index: perlfaq4.pod
===================================================================
RCS file: /cvs/public/perlfaq/perlfaq4.pod,v
retrieving revision 1.16
diff -u -d -r1.16 perlfaq4.pod
--- perlfaq4.pod        24 Feb 2002 09:18:57 -0000      1.16
+++ perlfaq4.pod        28 Feb 2002 11:06:24 -0000
@@ -1890,9 +1890,9 @@
    if (/^-?\d+$/)       { print "is an integer\n" }
    if (/^[+-]?\d+$/)    { print "is a +/- integer\n" }
    if (/^-?\d+\.?\d*$/) { print "is a real number\n" }
-   if (/^-?(?:\d+(?:\.\d*)?|\.\d+)$/) { print "is a decimal number" }
+   if (/^-?(?:\d+(?:\.\d*)?|\.\d+)$/) { print "is a decimal number\n" }
    if (/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/)
-                       { print "a C float" }
+                       { print "a C float\n" }
 
 If you're on a POSIX system, Perl's supports the C<POSIX::strtod>
 function.  Its semantics are somewhat cumbersome, so here's a C<getnum>