Analyze Big Files Without Loading Them in Memory


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Documentation for package ‘bread’ version 0.1.7

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bcolnames Retrieve the column names directly from a big file without loading it in memory
bfile_split Splits a big file in several smaller files without loading it entirely in memory
bfilter Pre-filters a data file using column values before loading it in memory
bmeta Helper function generating nrow and colnames for the target file without loading it in memory
bnrow Count the number of rows of a big file without loading it in memory
bread Reads a file in table format, selecting columns, subsetting rows by number and filtering them by column values
bselect Pre-selects columns of a data file before loading it in memory
bsep Tries to identify the separator / delimiter used in a table format file
bsubset Pre-subsets rows of a data file by index number before loading it in memory