![]() Non-finite valuesĪre converted to NA, NaN or (perhaps a sign followedįorm m.dddexx or m.dddExx. The number ofĭecimal places ("d") is specified by the precision: the default is 6 Ī precision of 0 suppresses the decimal point. Point” decimal notation of the form "mmm.ddd". ![]() Formats d and iĬan also be used for logical variables, which will be converted to X and X being hexadecimal (using the same case forĪ-f as the code). These letters denote the following types: % and end with one of the letters in the setĪAdifeEgGosxX%. The allowed conversion specifications start with a ![]() Specifications which operate on the arguments provided through Which are passed through to the output string, and also conversion The string fmt contains normal characters, Standard and fine details (especially the behaviour under user error) References): however the actual implementation will follow the C99 The following is abstracted from Kernighan and Ritchie (see Hence some types (e.g., "symbol" or "language", see All arguments are evaluated even if unused, and Zero-length arguments are allowed and will giveĪ zero-length result. Number of times to the length of the longest, and then the formatting The arguments (including fmt) are recycled if possible a whole String formatting with possible translation of the format string. Gettextf is a convenience function which provides C-style Inf, -Inf and NaN) are handled correctly. Passed match the format supplied, and R's special values ( NA, Attempts are made to check that the mode of the values Sprintf is a wrapper for the system sprintf C-libraryįunction. Which means it is allowed to differ by platform. The behaviour on inputs not documented here is ‘undefined’, Rĭoes perform sanity checks on the format, but not all possible userĮrrors on all platforms have been tested, and some might be terminal. Incorrect formats can cause the latter to crash the R process. The format string is passed down the OS's sprintf function, and
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