我需要从shell命令替换-Xmx1024m(更改1024为2048)standalone.conf.
-Xmx1024m
1024
2048
standalone.conf
我尝试这样做sed:
sed
echo $(sed 's/1024/2048/g' standalone.conf) > standalone.conf.
代码有效,但保存的文本丢失标签和换行符.
linux bash replace sed
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