Cshell 질문 드립니다 !!

#! /bin/csh
 
set i = "1"
while ($i <= 3 )
  # set variable with dynamic naming
  eval set abc$i = ls_$i
  # get the value of the variable using indirection via eval command
  set varname = abc$i
  eval echo \$$varname
  @ i++
end
 
echo $abc1 $abc2 $abc3