@[_d;`V`H`L`B;:;_ci'(179;196 205;195 198;192 212)];
tree_:{[p]:[5=t:4:p;group[0;dict p];($,p),group[0;:[t=4;dict@. p;dir p]]]}
dir:{[p]:[@c:!p;();,/(file'c)fuse'_f'(p,"/"),/:c]}
file:{[c]H[&3],c}
dict:{[d]:[5=4:d;,/(var[d].',/+(+(0;!d);+(1;~!d)))fuse'_f',/+(d[];d[.]);()]}
var:{[d;k;c]:[~k;H[&3],$c;#!d c;H[3#1],$c;""]}
fuse:{[p;c]:[#p;(,p),group[3;c];()]}
group:{[n;c]:[#c;(n#" "),/:(bar[e].&:'H=\:e:*:'c),'c;c]}
bar:{[e;i;j](-#e)$1!B[H[1]=*|e _dv" "],-1_@[@[(1+|/i,j)#V;i;:;*L];j;:;L 1]}
tree:`0:,/"\n",'tree_@

\


  tree@.`		/ render line-drawing characters as ascii

+---k
¦   +---V
¦   +---H
¦   +---L
¦   +---B
¦   +---dict
¦   +---group
¦   +---dir
¦   +---tree_
¦   +---file
¦   +---fuse
¦   +---var
¦   +---bar
¦   +---tree
+---t

  tree"."

.
+---addagram
¦   +---w.k
¦   +---w.txt
+---box.k
+---calculator.k
+---ck
¦   +---k20.dll
¦   +---life.ck
¦   +---pt.ck
¦   +---q.ck
¦   +---resolve.ck
¦   +---set.ck
¦   +---sw.ck
¦   +---sw2.ck
¦   +---t.ck
¦   +---tc.ck
¦   +---tt.ck
+---ck.k
+---connect.k
+---counters.k
+---drilldown.k
+---excel
¦   +---excel2.k
¦   +---k.xls
¦   +---SD.l
¦   +---SS.l
¦   +---W.l
+---excel.k
+---explode.k
+---hanoi.k
+---instant
¦   +---client.k
¦   +---server.k
+---kparse.k
+---life.k
+---nine9s.k
+---order.k
+---parse
¦   +---parse.k
¦   +---table.k
+---push.k
+---puzzle15.k
+---q.k
+---q8.k
+---quine.k
+---resolve.k
+---resolve2.k
+---rollup.k
+---s
¦   +---s.k
¦   +---s_minus.k
¦   +---s_plus.k
+---solitaire.k
+---t.k
+---tree.k
+---trees.k
+---tt.k
+---view.k