Unicode variable names: Difference between revisions
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It is also possible to encode characters using a <tt>\u''XXXX''</tt> substitution (each <tt>''X''</tt> is a hexadecimal digit), thus the <code>Δx</code> could be replaced throughout above by <code>\u0394x</code>; the result is a variable with exactly the same name as before. Doing this allows a script to be written with just ASCII characters, which tends to maximize portability across platforms. |
It is also possible to encode characters using a <tt>\u''XXXX''</tt> substitution (each <tt>''X''</tt> is a hexadecimal digit), thus the <code>Δx</code> could be replaced throughout above by <code>\u0394x</code>; the result is a variable with exactly the same name as before. Doing this allows a script to be written with just ASCII characters, which tends to maximize portability across platforms. |
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{{works with|zsh}} |
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<lang bash> |
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Δ=1 |
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Δ=`expr $Δ + 1` |
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echo $Δ |
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</lang> |
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{{out}} |
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<pre>2</pre> |
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=={{header|Vala}}== |
=={{header|Vala}}== |
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Vala has limited support for Unicode in variable names. This limitation comes from its source-to-source compilation to C. |
Vala has limited support for Unicode in variable names. This limitation comes from its source-to-source compilation to C. |
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{{omit from|TUSCRIPT}} |
{{omit from|TUSCRIPT}} |
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{{omit from|Unicon}} |
{{omit from|Unicon}} |
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{{omit from|Z80 Assembly|Depends on the assembler, and variable names don't exist at runtime anyway.}} |
{{omit from|Z80 Assembly|Depends on the assembler, and variable names don't exist at runtime anyway.}} |
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{{omit from|ZX Spectrum Basic}} |
{{omit from|ZX Spectrum Basic}} |
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