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November 1, 2016 11:11
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R integer to ordinal string (1 = "1st", etc)
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| # Sometimes you just want your iterated filenames to look nice. | |
| nth_fun <- function(x) { | |
| x <- abs(x) | |
| if (as.integer(substring(x, seq(nchar(x)), seq(nchar(x))))[nchar(x)] == 1) { | |
| return(paste0(x, 'st')) | |
| } else if (as.integer(substring(x, seq(nchar(x)), seq(nchar(x))))[nchar(x)] == 2) { | |
| return(paste0(x, 'nd')) | |
| } else if (as.integer(substring(x, seq(nchar(x)), seq(nchar(x))))[nchar(x)] == 3) { | |
| return(paste0(x, 'rd')) | |
| } else { | |
| return(paste0(x, 'th')) | |
| } | |
| } |
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