remove the last character of a string
Chop( s )
The Chop(s) command returns a copy of input string s with the last character removed, if the string is nonempty. As a special case, the empty string is returned unchanged.
Note: This function is similar to the Perl function of the same name.
Compare this procedure with the other perl-esque routine StringTools[Chomp], which removes only line ending characters.
All of the StringTools package commands treat strings as (null-terminated) sequences of 8-bit (ASCII) characters. Thus, there is no support for multibyte character encodings, such as unicode encodings.
Chop⁡This is a test.\n
This is a test.
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