'''string reverse''' ''string'' Returns a string containing the characters of its input argument, ''string'', in reverse order. ---- Implemented in the [Changes in Tcl/Tk 8.5], as part of [TIP] #272[http://tip.tcl.tk/272.html]. Workaround substitute for 8.4: proc string'reverse str { set res {} set i [string length $str] while {$i > 0} {append res [string index $str [incr i -1]]} set res } ;# RS % string'reverse "hello, world" dlrow ,olleh ---- [[[Tcl syntax help]|[Category Command]|[Category String Processing]]]