Perl 기초 세미나자료

1. Perl Seminar

2. Perl Seminar

3. Perl Seminar
by

4. What is Perl?

5. What is Perl?

6. What is Perl?

7. How to program it?

8. How to program it?
Just type “perl”

9. How to program it?

10. How to program it?

11. How to program it?
or

12. How to program it?

13. How to program it?

14. How to program it?
Make “.pl” file

15. How to program it?

16. How to program it?

17. How to program it?
or

18. How to program it?

19. How to program it?

20. How to program it?
#!/usr/bin/env perl

21. How to program it?

22. How to program it?

23. How to program it?
AND

24. How to program it?

25. How to program it?

26. How to program it?
Run !

27. How to program it?

28. Hell o World!

29. Hello, World!

30. Hello, World!

31. Hello, World!
print “Hello, World!”;

32. Hello, World!

33. Basic 1 : Variable

34. Basic 1-1 : Normal Variable

35. Basic 1-1 : Normal Variable

36. Basic 1-1 : Normal Variable
: $VariableName

37. Basic 1-1 : Normal Variable
: $VariableName
or or

38. Basic 1-1 : Normal Variable

39. Basic 1 : Variable

40. Basic 1-2 : Array Variable

41. Basic 1-2 : Array Variable
: @VariableName

42. Basic 1-2 : Array Variable
: @VariableName
$#VariableName :

43. Basic 1-2 : Array Variable
: @VariableName
$#VariableName :
$VariableName[n] : n

44. Basic 1-2 : Array Variable

45. Basic 1 : Variable

46. Basic 1-3 : Hash Variable
( )

47. Basic 1-3 : Hash Variable
( ) : %VariableName

48. Basic 1-3 : Hash Variable
( ) : %VariableName
$VariableName{key} : key value

49. Basic 1-3 : Hash Variable

50. Basic 1 : Variable

51. Basic 1-4 : Temp Variable

52. Basic 1-4 : Temp Variable
: $_

53. Basic 1-4 : Temp Variable

54. Basic 2 : Operator

55. Basic 2-1 : Numeric Operator

56. Basic 2-1 : Numeric Operator
+

57. Basic 2-1 : Numeric Operator
+ -

58. Basic 2-1 : Numeric Operator
+ - *

59. Basic 2-1 : Numeric Operator
+ - * /

60. Basic 2-1 : Numeric Operator
+ - * /
st Ba sic!
It is ju

61. Basic 2-1 : Numeric Operator
+ - * /

62. Basic 2-1 : Numeric Operator
+= -= *= /=

63. Basic 2-1 : Numeric Operator
+= -= *= /=
st a dd =
Ju

64. Basic 2-1 : Numeric Operator

65. Basic 2-1 : Numeric Operator

66. Basic 2-1 : Numeric Operator
== != <
> <= >=

67. Basic 2-1 : Numeric Operator

68. Basic 2 : Operator

69. Basic 2-2 : String Operator

70. Basic 2-2 : String Operator
.

71. Basic 2-2 : String Operator
JOIN
.

72. Basic 2-2 : String Operator
JOIN
. x

73. Basic 2-2 : String Operator
JOIN
. x
REPEAT!

74. Basic 2-2 : String Operator

75. Basic 2-2 : String Operator

76. Basic 2-2 : String Operator
eq ne lt
gt le ge

77. Basic 2-2 : String Operator

78. Basic 3 : Loop

79. Basic 3-1 : For

80. Basic 3-1-1 : Normal For

81. Basic 3-1-1 : Normal For
for(Init; Cond; Inc) {
# Something Todo
}

82. Basic 3-1-1 : Normal For

83. Basic 3-1 : For

84. Basic 3-1-2 : Foreach

85. Basic 3-1-2 : Foreach
foreach(List) {
# Something Todo
}

86. Basic 3-1-2 : Foreach

87. Basic 3-1-2 : Foreach

88. Basic 3-1-2 : Foreach
for(List) {
# Something Todo
}

89. Basic 3-1-2 : Foreach

90. Basic 3-1-2 : Foreach

91. Basic 3-1-2 : Foreach
foreach $Value (List) {
# Something Todo
}

92. Basic 3-1-2 : Foreach

93. Basic 3-2 : While

94. Basic 3-2 : While
while(condition) {
# something to do
}

95. Basic 4 : Subroutine

96. Basic 4-1 : Subroutine?

97. Basic 4 : Subroutine

98. Basic 4-2 : definition
sub NAME {
}

99. Basic 4 : Subroutine

100. Basic 4-3 : Usage
NAME(ARG1, ARG2, ARG3);

101. Basic 5 : I/O

102. Basic 5-1 : File I/O

103. Basic 5-1 : File I/O
open(HANDLE, < or > or >>, FILENAME)

104. Basic 5-1 : File I/O
open(HANDLE, < or > or >>, FILENAME)
Input: <HANDLE>;

105. Basic 5-1 : File I/O
open(HANDLE, < or > or >>, FILENAME)
Input: <HANDLE>;
Output: print DESTINATION SOURCE;

106. Basic 5-1 : File I/O
open(HANDLE, < or > or >>, FILENAME)
Input: <HANDLE>;
Output: print DESTINATION SOURCE;
close HANDLE;

107. Basic 5 : I/O

108. Basic 5-2 : Console I/O

109. Basic 5-2 : Console I/O
Input: <STDIN>;

110. Basic 5-2 : Console I/O
Input: <STDIN>;
Output: print;

111. Basic 5-2 : Console I/O
Input: <STDIN>;
Output: print;
ReadMode 'noecho';

112. Basic 6 : ARGUMENTS

113. Basic 6 : ARGUMENTS

114. Basic 6 : ARGUMENTS
@_

115. Basic 6 : ARGUMENTS
@_ @ARGV

116. Basic 6 : ARGUMENTS
@_ @ARGV shift