new-exp5.sub

来自「android-w.song.android.widget」· SUB 代码 · 共 41 行

x=(one two)
echo ${x[@]:1}
echo ${x[@]:0:1}

x=(one)
echo ${x[0]:1}
echo ${x[0]:0}
echo ${x[@]:1}
echo ${x[@]:0}

echo ${x[@]: -1}
echo ${x[@]: ${#x[@]}-1}

x=(0 1 2 3 4 5 6 7 8 9)
echo ${x[@]:1}

echo ${x[@]: -1}
echo ${x[@]: ${#x[@]}-1}

set -- ${x[@]}

echo $1
echo ${@: -1}
echo ${@: $#-1}

a=0123456789

echo ${a:1}
echo ${a: -1}
echo ${a: ${#a}-1}

# problem with bash through 3.2.33
oIFS="$IFS"
IFS=$'\n'
a=(A B C D)
b=("${a[@]}")
echo "${#b[@]}", "${b[@]}"  # 4, A B C D -- OK
b=("${a[@]:2}")
echo "${#b[@]}", "${b[@]}"  # 1, C D -- bug, should be 2, C D 
IFS="$oIFS"