PetscFileRetrieve

Obtains a file from a URL or a compressed file and copies into local disk space as uncompressed.

Synopsis

PetscErrorCode PetscFileRetrieve(MPI_Comm comm, const char url[], char localname[], size_t llen, PetscBool *found)

Collective

Input Parameters

• comm - processors accessing the file

• url - name of file, including entire URL (with or without .gz)

• llen - length of localname

Output Parameters

• localname - name of local copy of file - valid on only process zero

• found - if found or retrieved the file - valid on all processes

Note

if the file already exists locally this function just returns without downloading it.

See Also

PetscDLLibraryRetrieve()

Level

developer

Location

src/sys/fileio/fretrieve.c

Examples

src/ts/tutorials/extchem.c

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