리눅스 여러 줄 출력을 배열에 담기

1 개요

Store multi-line output into an array in a Linux bash script

Bash 여러 줄 출력을 배열에 담기

리눅스 여러 줄 출력을 배열에 담기

IFS=$'\n' 배열변수명=(`명령어`)

2 실습

[root@zetawiki ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                      27678892  18857720   7392488  72% /
/dev/xvda1              101086     36768     59099  39% /boot
tmpfs                   524288         0    524288   0% /dev/shm

[root@zetawiki ~]# IFS=$'\n' ARR=(`df`)
[root@zetawiki ~]# for VALUE in "${ARR[@]}"; do echo "<---- $VALUE ---->"; done
<---- Filesystem           1K-blocks      Used Available Use% Mounted on ---->
<---- /dev/mapper/VolGroup00-LogVol00 ---->
<----                       27678892  18857720   7392488  72% / ---->
<---- /dev/xvda1              101086     36768     59099  39% /boot ---->
<---- tmpfs                   524288         0    524288   0% /dev/shm ---->

[root@zetawiki ~]# echo ${ARR[0]}
Filesystem           1K-blocks      Used Available Use% Mounted on
[root@zetawiki ~]# echo ${ARR[1]}
/dev/mapper/VolGroup00-LogVol00

3 같이 보기

• Bash 실행결과를 변수에 담기
• Bash에서 MySQL 사용
• 리눅스 여러 줄 출력을 한줄로 만들기

4 참고

• http://ubuntuforums.org/showthread.php?t=1555275
• http://www.linuxquestions.org/questions/linux-general-1/store-multi-line-output-into-an-array-in-a-linux-bash-script-706878/
• http://stackoverflow.com/questions/16831429/when-setting-ifs-to-split-on-newlines-why-is-it-necessary-to-include-a-backspac