tests/new-exp5.sub

   1 x=(one two)
   2 echo ${x[@]:1}
   3 echo ${x[@]:0:1}
   4
   5 x=(one)
   6 echo ${x[0]:1}
   7 echo ${x[0]:0}
   8 echo ${x[@]:1}
   9 echo ${x[@]:0}
  10
  11 echo ${x[@]: -1}
  12 echo ${x[@]: ${#x[@]}-1}
  13
  14 x=(0 1 2 3 4 5 6 7 8 9)
  15 echo ${x[@]:1}
  16
  17 echo ${x[@]: -1}
  18 echo ${x[@]: ${#x[@]}-1}
  19
  20 set -- ${x[@]}
  21
  22 echo $1
  23 echo ${@: -1}
  24 echo ${@: $#-1}
  25
  26 a=0123456789
  27
  28 echo ${a:1}
  29 echo ${a: -1}
  30 echo ${a: ${#a}-1}
  31
  32 # problem with bash through 3.2.33
  33 oIFS="$IFS"
  34 IFS=$'\n'
  35 a=(A B C D)
  36 b=("${a[@]}")
  37 echo "${#b[@]}", "${b[@]}"  # 4, A B C D -- OK
  38 b=("${a[@]:2}")
  39 echo "${#b[@]}", "${b[@]}"  # 1, C D -- bug, should be 2, C D
  40 IFS="$oIFS"