revchar {Maeswrap} | R Documentation |
Reverse a character string.
Description
Reverses the characters in a character string, unless a vector is supplied, in which case reverses the element of the vector.
Usage
revchar(x)
Arguments
x |
A character vector (typically of length 1). |
Details
When a character vector of length > 1 is provided, reverses the elements of the vector, not the characters itself.
Value
A vector.
Author(s)
Remko Duursma
References
None.
See Also
Examples
## Not run:
# Take a substring, counting from the end:
substrfromend <- function(x,start,stop)revchar(substr(revchar(x),start,stop))
substrfromend('filename.txt', 1,3)
# Check if a word is a palindrome:
s <- 'saippuakivikauppias'
s == revchar(s)
# A semordnilap:
cat('I am so stressed, I need to eat', revchar('stressed'),'\n')
## End(Not run)
[Package Maeswrap version 1.7 Index]