c++ - Cannot change file type in Linux version -

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changing file type works windows not work in linux. in linux not change file type.

qregexp pattern("\\b(stl)\\b", qt::caseinsensitive); if (info.suffix().isempty()) {     filename += qlatin1string(".") + "stl"; } else if (!pattern.exactmatch(info.suffix())) {     filename += qlatin1string(".") + "stl"; }

the filetype displays "plain text document (text/plain)" instead of stl (stereolithography potentially).

as can see code, try change file extension. may work on windows. linux doesn't use file extension file type determination. linux checking file content this.


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