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我可以发誓这是 - 只是 - 工作正常。现在我不知道为什么我会收到我收到的错误。关联数组键中的未绑定变量
这里是我的脚本:
115: echo "file is $file"
116: echo "key is $key"
117: if [[ ! ${stats["$file-$key"]:-} ]]; then
118: stats["$file-$key"]=0
119: echo "set stats[$file-$key] to 0"
120: echo "$file-$key"
121: echo "stats is ${stats["$file-$key"]}"
122: fi
123: stats["$file-$key"]=$((value + stats["$file-$key"]))
这里是我的输出:
file is test1
key is key1
set stats[test1-key1] to 0
test1-key1
stats is 0
file is test1
key is key2
set stats[test1-key2] to 0
test1-key2
stats is 0
file is test1
key is key3
set stats[test1-key3] to 0
test1-key3
stats is 0
file is test1
key is key4
set stats[test1-key4] to 0
test1-key4
stats is 0
file is test1
key is key1
./runMe.sh: line 117: test1: unbound variable
这似乎只是正常工作的第4次迭代。然后当它试图测试第一个密钥是否被设置(它在这一点上)时失败。到底是怎么回事?
请显示全部代码。 –