added stripping and life example

examples/life.vtl

@@ -0,0 +1,76 @@
+10 #=365
+20 S=Y<F*Y+(Y=0*E)+(Y=F)-1*O+(X<Q*X+(X=0*O)+(X=Q))
+25 :S)=:S)+2
+30 X=X+1-(J<X*3)+(J-1=X*(Y=I))
+40 Y=J-1=X+Y
+50 #=I+1>Y*20
+70 #=90
+80 #=:I-1*O+J)/2*0+%*20
+90 J=J+1-(O=J*O)
+100 I=J=1+I
+110 ?="";
+120 X=J-1
+130 Y=I-1
+140 #=I<F*80
+150 I=1
+160 J=1
+180 $=27
+182 #=G=0*188
+184 ?="[0;0H";
+186 #=190
+188 ?="[2J";
+190 P=0
+200 K=I-1*O+J
+210 :K)=:K)<5+(:K)>8)=0
+220 P=P+:K)
+230 $=:K)*B+32
+240 J=J+1-(J=O*O)
+250 #=1<J*200
+260 ?=""
+270 I=I+1
+280 #=I<F*200
+290 ?="GEN = ";
+300 ?=G
+310 G=G+1
+320 ?="   POP = ";
+330 ?=P
+335 ?="         ";
+340 I=1
+350 J=1
+360 #=0<P*110+(P=0*650)
+365 I=1
+385 $=27
+387 ?="[2J   "
+388 B=0
+389 G=0
+390 ?="SIZE? ";
+400 O=?
+410 Q=O+1
+420 ?="BY?   ";
+430 E=?
+432 $=27
+434 ?="[2J   ";
+435 $=13
+440 F=E+1
+450 J=O*E+2
+460 #=J*2+&>**390
+470 :I)=0
+480 I=I+1
+490 #=J>I*470
+500 I=1
+510 ?=""
+520 J=1
+530 #=1>10*550
+540 ?=" ";
+550 ?=I
+560 ?=" ";
+570 L=$
+575 A=L=13+(L=32)+(L=95)+(L=64)+(L=8)=0
+576 B=B>1*B+(B=0*A*(L-32))
+580 :I-1*O+J)=A*6
+590 J=J+1-(L=95+(L=8)*2)
+600 #=L=13*620+(L=64*510)
+610 #=J<Q*570
+620 I=I+1
+625 #=I<F*510
+627 #=150

lvtl-x.awk

@@ -29,7 +29,7 @@ function getvar(varname,    c, cmd) {
     c = (cmd | getline c) > 0 ? int(c) : 0
     close(cmd); return c
   }
-  if(varname == "?") { getline c; return evalexpr(c) }
+  if(varname == "?") { getline c; sub(/\r$/, "", c); return evalexpr(c) }
   if(varname == "'") return int(rand()*65536)
   return (varname in VARS) ? VARS[varname] : 0
 }
@@ -108,6 +108,7 @@ BEGIN {
 }
 
 {
+  sub(/\r$/, "")
   ln = int($1) % 65536; if(NF > 1) $1 = ""
   gsub(/^[[:blank:]]+|[[:blank:]]+$/, "")
   if(ln > 0) {