DoubleChop

DoubleChop — Return a string after taking out first and last characters.

DoubleChop StringVariable ?Count?

Return Value

Same as input string but with characters removed from start and end.

Arguments

StringVariable	String to double chop. Can be either a value or @VarName (will upvar and read/write).
Count	Optional. How many characters to remove from the right and how many to remove from the left. Default is 1.

More Info

Useful for something like removing brackets from a string.

Note that arguments of the form XxxVariable can take either a normal value or the name of a variable to read/write, prefixed by @. See About Using @ for details.

For information regarding exceptions / errors, see here.

% set MyString "{something}"
{something}
% DoubleChop $MyString
something

% set MyString "{{something}}"
{something}
% DoubleChop @MyString 2
something
% puts $MyString
something