?? fig04_12.pl
字號:
#!/usr/bin/perl
# Fig. 4.12: fig04_12.pl
# Reversing the elements of an array and
# sorting arrays lexically and numerically.
# create @array with values from 1-10 and reverse the values
@array = ( 0 .. 9 );
@reversed = reverse( @array );
print "Original: @array\n";
print "Reversed: @reversed\n\n";
# create an unsorted array of numbers and sort it
@array2 = ( 100, 23, 9, 75, 5, 10, 2, 50, 7, 96, 1, 40 );
@sortedLexically = sort @array2;
@sortedNumerically = sort { $a <=> $b } @array2;
print "Unsorted: @array2\n";
print "Lexically: @sortedLexically\n";
print "Numerically: @sortedNumerically\n";
###########################################################################
# (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall. #
# All Rights Reserved. #
# #
# DISCLAIMER: The authors and publisher of this book have used their #
# best efforts in preparing the book. These efforts include the #
# development, research, and testing of the theories and programs #
# to determine their effectiveness. The authors and publisher make #
# no warranty of any kind, expressed or implied, with regard to these #
# programs or to the documentation contained in these books. The authors #
# and publisher shall not be liable in any event for incidental or #
# consequential damages in connection with, or arising out of, the #
# furnishing, performance, or use of these programs. #
###########################################################################
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -