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Nasal Hello World: Difference between revisions
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{{Nasal Navigation}} | {{Nasal Navigation}} | ||
A simple hello world example in Nasal would be (to be saved in [[$FG_ROOT]]/Nasal): | A simple hello world example in Nasal would be (to be saved in [[$FG_ROOT]]/Nasal): | ||
<syntaxhighlight lang="php"> | <syntaxhighlight lang="php"> | ||
# [[$FG_ROOT]]/Nasal/hello.nas | |||
print('Hello World!'); | |||
</syntaxhighlight> | </syntaxhighlight> | ||
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Strings in Nasal can also use double quotes which support escaping: | Strings in Nasal can also use double quotes which support escaping: | ||
<syntaxhighlight lang="php"> | <syntaxhighlight lang="php"> | ||
# hello.nas | |||
print("Hello\nWorld!"); | |||
</syntaxhighlight> | </syntaxhighlight> | ||
Double quotes support typical escape sequences: | Double quotes support some of the typical escape sequences: | ||
* \n Newline | * \n Newline | ||
* \t Horizontal Tab | * \t Horizontal Tab | ||
* \r Carriage Return | * \r Carriage Return | ||
* \\ Backslash | * \\ Backslash | ||
* \" Double quote | * \" Double quote | ||
* \x''yy'' Hexadecimal-specified character (yy stands for two hexadecimal digits; \x is literal) | |||
For example, to print a new line, use: | For example, to print a new line, use: | ||
<syntaxhighlight lang="php"> | |||
print ("\n"); | |||
</syntaxhighlight> | |||
To print a quoted string, use: | To print a quoted string, use: | ||
<syntaxhighlight lang="php"> | |||
print ("\"quoted string\""); | |||
</syntaxhighlight> | |||
and so on. | and so on. | ||