回答編集履歴
1
test
CHANGED
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@@ -1,15 +1,25 @@
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1
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-
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1
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+
リファレンス(参照)を使う方法もあります。
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2
2
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```bash
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3
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+
$ help declare
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4
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:
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5
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Options which set attributes:
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6
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:
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7
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-n make NAME a reference to the variable named by its value
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8
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```
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9
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+
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10
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**concat.sh**
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11
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```bash
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3
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-
A=("L02
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12
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A=("L02-M3" "L03-M4")
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4
13
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B=("T16" "T16")
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5
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-
C=
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14
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declare -n C=A
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6
15
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7
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-
for ((i=0; i<
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16
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for ((i=0; i<${#C[@]}; i++))
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8
17
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do
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9
18
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echo ${C[$i]}–${B[$i]}
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10
19
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done
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11
20
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```
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12
21
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22
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**実行結果**
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13
23
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```bash
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14
24
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$ bash concat.sh
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15
25
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L02_M3–T16
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