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fix grep error when txt value begin with - char #2471

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merged 1 commit into from Sep 14, 2019

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commented Sep 6, 2019

first, Thanks for contributing !

某些情况下 _acme-challenge 生成的 TXT 记录开头可能是 -,比如:

/*** from 阿里云解析 DNS 操作日志 *** /
新增解析记录TXT记录 _acme-challenge 默认 -ydqkDpgiJzHXQQV43h1-HpZ6-S3WAyuHxZ6lgLIm3A ( TTL: 600)
/*** end of from 阿里云解析 DNS 操作日志 *** /

此时grep 匹配时会以为是命令选项而产生错误,busybox版的grep错误提示如下:

grep: invalid option -- 'y'
BusyBox v1.22.1 (2018-09-28 14:18:44 CST) multi-call binary.

@Neilpang Neilpang merged commit 950d024 into Neilpang:dev Sep 14, 2019
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