22 lines
1.1 KiB
Perl
22 lines
1.1 KiB
Perl
'c'; # character
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'hello'; # these two strings are the same
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"hello";
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'Hi $name. How are you?'; # result: "Hi $name. How are you?"
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"Hi $name. How are you?"; # result: "Hi Bob. How are you?"
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'\n'; # 2-character string with a backslash and "n"
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"\n"; # newline character
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`ls`; # runs a command in the shell and returns the output as a string
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q/hello/; # same as 'hello', but allows custom delimiters, eg: q(hi) and q!hi!
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qq/hello/; # same as "hello", but allows custom delimiters, eg: qq{$hi} and qq#hi#
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qw/one two three/; # same as ('one', 'two', 'three'); constructs a list of the words
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qx/ls/; # quoted execution, same as `ls`
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qr/regex/; # creates a regular expression
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<<END; # Here-Document
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Hi, whatever goes here gets put into the string,
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including newlines and $variables,
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until the label we put above
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END
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<<'END'; # Here-Document like single-quoted
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Same as above, but no interpolation of $variables.
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END
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