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35 True/False questions

  1. reverse days array@rev = reverse(@days);

          

  2. convert string to lower caseif ($s eq 'yes')

          

  3. open file and print "hello"print "Hello world";

          

  4. cycle through each element in hash %data$item = $data{'2'};

          

  5. concatenate strings hello + world into slc($s)

          

  6. get length of string slength($s)

          

  7. print date in $s = "Today is 17 May 2006"$s ~= /(\d+) (\w+) (\d+)/;
    print "$1 $2 $3";

          

  8. regex letter followed by white space/\w\s/

          

  9. declare a hash h where a has key 1, b has key 2my $x = 5;

          

  10. split string by comma into arraymy $x = 'Mary';

          

  11. get substring of slength($s)

          

  12. declare a variable x equal to 5my $x = 'Mary';

          

  13. regex match with any capital letter/[A-Z]/

          

  14. get all data from CGI using post@var = param();

          

  15. start perl script#!/usr/bin/perl
    use strict;
    use CGI ':standard';

          

  16. get 2nd and 3rd values from days array($x, $y) = @days[1,2];

          

  17. if string equals yessubstr($s, start, len)

          

  18. get name data from CGI using post@var = param();

          

  19. size of array@rev = reverse(@days);

          

  20. join bob & mary by comma$#array

          

  21. regex ABC last characters/ABC$/

          

  22. substitute bob for mary in stringjoin(',','bob','mary');

          

  23. open file.txt and read each line, printing to consoleopen (my $in, ">>file.txt");
    print $in "hello";
    close $in;

          

  24. remove last item in @days$first = shift(@days);

          

  25. sort @days alphabetically@rev = reverse(@days);

          

  26. print hello world#!/usr/bin/perl
    use strict;
    use CGI ':standard';

          

  27. read one line from keyboardchomp($s)

          

  28. if x contains either A B or Cif ($x ~= /[ABC]/)

          

  29. declare an array a of the numbers 1,2,4my $x = 5;

          

  30. regex ABC first characters/ABC$/

          

  31. remove first item in @days$first = shift(@days);

          

  32. declare a string x equal to Marymy $x = 'Mary';

          

  33. get item with key 2 in data hashlength($s)

          

  34. remove new line from string s$x = <STDIN>;

          

  35. for each variable in array, print variablemy $x = 5;