tests/exp2.sub

   1 K=dvb0.net A=${K#dvb} eval echo \$A
   2 unset K A
   3 x=${K:=dvb0.net0} A=${K#dvb} eval echo \$A
   4
   5 unset K A
   6 K=dvb0.net A=${K#dvb} echo "$A"
   7 unset K A
   8 K=dvb0.net A=${K#dvb} ; echo "$A"
   9 unset K A
  10 K=dvb0.net A=${K#dvb} eval echo '$A'
  11 unset K A
  12 K=dvb0.net A=${K#dvb} eval echo \$A