Formatted Printing (Matlab style)

Formatted printing to stdout or a file.

fprintf(fmt, ..., file = "", append = FALSE)

Arguments

fmt

a character vector of format strings.

...

values passed to the format string.

file

a connection or a character string naming the file to print to; default is "" which means standard output.

append

logical; shall the output be appended to the file; default is FALSE.

Details

fprintf applies the format string fmt to all input data ... and writes the result to standard output or a file. The usual C-style string formatting commands are used-

Value

Returns invisibly the number of bytes printed (using nchar).

See also

sprintf

Examples

##  Examples:
nbytes <- fprintf("Results are:\n", file = "")
#> Results are:
for (i in 1:10) {
    fprintf("%4d  %15.7f\n", i, exp(i), file = "")
}
#>    1        2.7182818
#>    2        7.3890561
#>    3       20.0855369
#>    4       54.5981500
#>    5      148.4131591
#>    6      403.4287935
#>    7     1096.6331584
#>    8     2980.9579870
#>    9     8103.0839276
#>   10    22026.4657948