AscToChar returns a character for each ASCII code (integer) supplied.
CharToAsc returns integer codes in
0:255 for each (one byte) character in all strings in
numeric (integer) vector of values in
vector of strings.
Only codes in
1:127 make up the ASCII encoding which should be
identical for all R versions, whereas the ‘upper’ half
is often determined from the ISO-8859-1 (aka “ISO-Latin 1)”
encoding, but may well differ, depending on the locale setting, see
0 is no longer allowed since, R does not allow
nul characters in a string anymore.
AscToChar returns a vector of the same length as i.
CharToAsc returns a list of numeric vectors of character length of each string in x.
unknown guy out there, help text partly taken from M. Maechler's sfsmisc.
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