Removes line endings from all elements of the list; returns the (total) number of characters removed.
Chops off the last character on all elements of the list; returns the last chopped character.
Encrypts a string.
expr is parsed and executed as if it were a Perl program. The value returned is the value of the last expression evaluated. If there is a syntax error or runtime error, an undefined string is returned by eval, and $@ is set to the error message. See also eval in Miscellaneous.
Returns the position of substr in str at or after offset. If the substring is not found, returns -1 (but see $[ in Special Variables).
Returns the length in characters of the value of expr.
Returns a lowercase version of expr.
Returns expr with the first character lowercase.
Returns expr with all regular expression metacharacters quoted.
Returns the position of the last substr in str at or before offset.
Extracts a substring of length len out of expr and returns it. If offset is negative, counts from end of the string. May have a value assigned to it.
Returns an uppercased version of expr.
Returns expr with the first character uppercased.