Check output device is a terminal: Difference between revisions
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m (→{{header|Wren}}: Minor tidy) |
m (→{{header|Wren}}: Small change to Wren and C file names.) |
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{{trans|C}} |
{{trans|C}} |
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As there is currently no way to obtain this information via Wren CLI, we instead embed a Wren script in a C application and ask the host program to get it for us. |
As there is currently no way to obtain this information via Wren CLI, we instead embed a Wren script in a C application and ask the host program to get it for us. |
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<syntaxhighlight lang="wren">/* |
<syntaxhighlight lang="wren">/* Check_output_device_is_a_terminal.wren */ |
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class C { |
class C { |
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WrenVM* vm = wrenNewVM(&config); |
WrenVM* vm = wrenNewVM(&config); |
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const char* module = "main"; |
const char* module = "main"; |
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const char* fileName = " |
const char* fileName = "Check_output_device_is_a_terminal.wren"; |
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char *script = readFile(fileName); |
char *script = readFile(fileName); |
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WrenInterpretResult result = wrenInterpret(vm, module, script); |
WrenInterpretResult result = wrenInterpret(vm, module, script); |
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{{out}} |
{{out}} |
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<pre> |
<pre> |
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$ ./Check_output_device_is_a_terminal |
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$ ./Check_output_device_is_terminal |
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Output device is a terminal = true |
Output device is a terminal = true |
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$ ./ |
$ ./Check_output_device_is_a_terminal > tmp |
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$ cat tmp |
$ cat tmp |
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Output device is a terminal = false |
Output device is a terminal = false |
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$ ./ |
$ ./Check_output_device_is_a_terminal | cat |
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Output device is a terminal = false |
Output device is a terminal = false |
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</pre> |
</pre> |
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