29 lines
1.1 KiB
R
29 lines
1.1 KiB
R
#' @title Read line from file, removing newline characters
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#' @description Equivalent function to its homonymous Matlab equivalent.
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#' @param file character vector to be read, usually an output of `fopen()`
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#' @return If the file is nonempty, then fgetl returns tline as a character
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#' vector. If the file is empty and contains only the end-of-file marker, then
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#' fgetl returns tline as a numeric value -1.
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#' @author Waldir Leoncio
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#' @seealso fopen
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fgetl <- function(file) {
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# ==========================================================================
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# Validation
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# ==========================================================================
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if (length(file) <= 1) {
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return(-1)
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}
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# ==========================================================================
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# Returning file minus the first line
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# ==========================================================================
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out <- file[-1]
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return(out)
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}
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#' @title Open file
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#' @description Open a text file
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#' @param filename Path and name of file to be open
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#' @return The same as `readLines(filename)`
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#' @author Waldir Leoncio
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#' @seealso fgetl
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fopen <- function(filename) readLines(filename)
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