Returns the filename identified by the generic-format path stripped of its extension.

Returns the substring from the beginning offilename() up to and not including the last period (.) character, with the following exceptions:

• If the first character in the filename is a period, that period is ignored (a filename like ".profile" is not treated as an extension).
• If the filename is one of the special filesystem componentsdot ordot-dot, or if it has no periods, the function returns the entirefilename().

[edit]Parameters

(none)

[edit]Return value

The stem of the filename identified by the path (i.e. the filename without the final extension).

[edit]Exceptions

May throw implementation-defined exceptions.

[edit]Example

#include <filesystem>#include <iostream>namespace fs= std::filesystem; int main(){for(const fs::path p:{"/foo/bar.txt","/foo/.bar","foo.bar.baz.tar"})std::cout<<"path: "<< p<<", stem: "<< p.stem()<<'\n'; std::cout<<'\n'; for(fs::path p="foo.bar.baz.tar";!p.extension().empty(); p= p.stem())std::cout<<"path: "<< p<<", extension: "<< p.extension()<<'\n';}

path: "/foo/bar.txt", stem: "bar"path: "/foo/.bar", stem: ".bar"path: "foo.bar.baz.tar", stem: "foo.bar.baz" path: "foo.bar.baz.tar", extension: ".tar"path: "foo.bar.baz", extension: ".baz"path: "foo.bar", extension: ".bar"

[edit]See also

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