Evaluated set s [2dsize [ascii weed]]; set out [list {}]; set y 0; foreach line [split [ascii weed] \n] { for {set x 0} {$x < [lindex $s 1]} {incr x} { set a [cgetchar [ascii2map [ascii weed]] $x $y]; set out [linsert $out end [lindex $a 0]] }; append out \n; incr y };. $out