'''csubstr''' is a command in the [TclX] package. : '''csubstr''' ''string firstExpr lengthExpr'' Return a substring of ''string'' that starts at ''firstExpr'' and contains ''lengthExpr'' characters. See also [crange] and consider using [string range]. ---- !!!!!! %| [Category Command%|%Command%|%] | [Category TclX%|%TclX%|%] |% !!!!!!