mirror of https://github.com/n-hys/bash.git
54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
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"
|