Mega Code Archive - Perl

Data Type
1) = operator returns 0 or -1 or 1
2) A program that contains a floating-point comparison
3) A program that displays integers and illustrates their size limitations
4) A program that displays various floating-point scalar values
5) A program that illustrates round-off error problems in floating-point arithmetic
6) A reference is a scalar variable pointing-or refering to-something else
7) Adding number to a string
8) Basic Perl Datatypes
9) Big float
10) Binary AND ( )
11) Binary NOT (~)
12) Binary number
13) Chop a number
14) Compare two values in the integer context
15) Concatenating a number and a string
16) Convert a number with the hex() or oct()
17) Convert decimal to hex
18) Converting Strings to Numbers
19) Converting Time
20) Create new time based on the value from localtime
21) Creating and dereferencing a reference
22) Creating and Dereferencing Pointers
23) Creating reference for arrays
24) Currency Converter
25) Currency Converter, Mark 2
26) Declare an Integer
27) Demonstrates the reference syntax
28) Dereference pointer
29) Dereferencing a Reference
30) Dereferencing the Pointer
31) Direct Reference Techniques
32) Direct Scalar References
33) Equal operator for digits
34) Exchange reference
35) Execute date command and get user input
36) Float point number literal
37) Float value calculation
38) Get a reference to a file handle by using $ioreference = name{IO}
39) Get reference of a range
40) Get the reference of the return value from substr
41) Get the reference to a scalar by using the form $scalarreference = name{SCALAR}
42) Get the reference to a subroutine by using the form $codereference = name{CODE}
43) Get the remainder
44) Get the value from a reference
45) Gmtime function converts a time value into Greenwich Mean Time
46) Greater than or equal operator
47) Greater than, Less than operator
48) Hex digit
49) Hex(10), hex(0x10)
50) Hex(ab)
51) Hex(FFG)
52) Hexadecimal and octal numbers
53) Hexadecimal data
54) Hexadecimal number
55) How much storage your computer allows, change your program again to this
56) How Strings Are Converted to Numbers
57) Illegal binary number
58) Illegal Hex number with G
59) Illegal octal number
60) Increments Reference
61) Int 1 999,int 2 001
62) Integer type variable
63) Is leap year subroutine
64) Less than or equal operator
65) Localtime converts a time into the local time
66) Math calculation on integer
67) Miles-to-kilometers converter
68) Nested reference
69) Not equal operator for digits
70) Number can be expressed by ###_###_### for ###,###,###
71) Number systems
72) Numeric Literal Formats and Notation
73) Numeric Literals
74) Oct(178)
75) Octal data
76) Octal number
77) Octal numerals starting with 0x
78) Perl 5 Dereferencing Operators
79) Perl 5 Numeric Formats
80) Perl 5 Reference Assignments
81) Print a couple of integer literals in Perl
82) Print number out
83) Print out the current time in standard time
84) Reading float point number from keyboard
85) Reads any kind of integer
86) Reference is a scalar variable
87) Reference Modification
88) References to references
89) References, Pointers
90) Return Values from the ref Function
91) Scalar Context versus List Context
92) Scalar(localtime(time()))
93) Set the value of localtime to a scalar variable, youll get a typical UNIX-style time
94) Splitting Local Time
95) Splitting Time
96) String (with digits) is converted to number during the math operation
97) String (without digits) is converted to number during the math operation
98) String is converted to a number automatically
99) Switch Time
100) The result when these two strings are compared depends on whether a string or integer comparison is being performed
101) The return values of the ref function
102) Time of Day
103) To disable integer math within a block
104) To extract the current date by using time and localtime
105) Use integer
106) Using $$ to get the value of the reference
107) Using hex function to convert octal number to Hexadecimal number
108) Using int() to convert 1 000001 to an integer
109) Using int() to convert 1 99999 to an integer
110) Using Numbers in Scalar Variables
111) Using oct function to convert number to octal numbers
112) Using ref function on a subroutine reference
113) Using ref function to check the parameter type
114) Using ref function to get the type of the reference
115) Using ref inside a function
116) Using the _ (under score) in float point number
117) What happens if we try and join a number to a string