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| void open( const char *filename, ios_base::openmode mode = ios_base::in );
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| void open( const std::string &filename, ios_base::openmode mode = ios_base::in );
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(desde C++11) |
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Abre e associados arquivo com o fluxo de arquivo. clear() chama de sucesso ou fracasso em setstate(failbit).
Original:
Opens and associates file with the file stream. Calls clear() on success or setstate(failbit) on failure.
The text has been machine-translated via Google Translate.
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A primeira versão efetivamente chama rdbuf()->open(filename, mode | ios_base::in).
Original:
The first version effectively calls rdbuf()->open(filename, mode | ios_base::in).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
A segunda versão efetivamente chama open(filename.c_str(), mode).
Original:
The second version effectively calls open(filename.c_str(), mode).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Parâmetros
| filename
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o nome do arquivo a ser aberto Original: the name of the file to be opened The text has been machine-translated via Google Translate.
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| mode
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especifica o modo de fluxo aberto. Ele é o tipo de máscara de bits, as seguintes constantes são definidas:
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Constante Original: Constant The text has been machine-translated via Google Translate.
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Explanation
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| app
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procurar o fim do fluxo antes de cada gravação Original: seek to the end of stream before each write The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| binary
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abrir em modo binário Original: open in binary mode The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| in
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Abrir para leitura Original: open for reading The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| out
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abrir para escrita Original: open for writing The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| trunc
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descartar o conteúdo da corrente durante a abertura Original: discard the contents of the stream when opening The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| ate
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procurar o fim do fluxo imediatamente depois de aberto Original: seek to the end of stream immediately after open The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
Original: specifies stream open mode. It is bitmask type, the following constants are defined:
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Constante Original: Constant The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
Explanation
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| app
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procurar o fim do fluxo antes de cada gravação Original: seek to the end of stream before each write The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| binary
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abrir em modo binário Original: open in binary mode The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| in
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Abrir para leitura Original: open for reading The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| out
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abrir para escrita Original: open for writing The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| trunc
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descartar o conteúdo da corrente durante a abertura Original: discard the contents of the stream when opening The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
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| ate
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procurar o fim do fluxo imediatamente depois de aberto Original: seek to the end of stream immediately after open The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. |
Valor de retorno
(Nenhum)
Original:
(none)
The text has been machine-translated via Google Translate.
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Exemplo
Veja também
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Verifica se o fluxo tem um arquivo associado Original: checks if the stream has an associated file The text has been machine-translated via Google Translate.
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(função pública membro) [edit]
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fecha o arquivo associado Original: closes the associated file The text has been machine-translated via Google Translate.
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(função pública membro) [edit]
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