linux递归替换文件中的字符串

Question

我有一个文件夹，里面装满了*.java文件。它包含以下方法：

options.addArguments(//"--no-sandbox", // trying to make browser opening faster, but this argument can have security implications
            "--disable-extensions" // avoid the chrome automation extension crash
            , "--no-proxy-server" // trying to make browser opening faster
            , "--proxy-server='direct://'" // trying to make browser opening faster
            , "--proxy-bypass-list=*" // trying to make browser opening faster
            , "--proxy-server=" // trying to make browser opening faster
            // ,"--blink-settings=imagesEnabled=false" // disable images loading for faster testing
            );

我想将其修改如下：

options.addArguments("--no-sandbox", // trying to make browser opening faster, but this argument can have security implications
            "--disable-dev-shm-usage"
            , "--disable-extensions" // avoid the chrome automation extension crash
            , "--no-proxy-server" // trying to make browser opening faster
            , "--proxy-server='direct://'" // trying to make browser opening faster
            , "--proxy-bypass-list=*" // trying to make browser opening faster
            , "--proxy-server=" // trying to make browser opening faster
            // ,"--blink-settings=imagesEnabled=false" // disable images loading for faster testing
            );

我在论坛上搜索并找到了一些解决方案，复制字符串是我想要的，所以我尝试了以下几点：

grep --null -rl //"--no-sandbox" -l | tr '\n' ' ' | xargs --null sed -i 's///"--no-sandbox"/"--no-sandbox",
            "--disable-dev-shm-usage|,/g'

但它给我带来了以下错误：

sed: -e expression #1, char 6: unknown option to `s'

我想old_string和new_string格式是这里的问题。我怎样才能解决这个问题，或者以更有效率和更有意义的方式去做。

Answer 1

如果GNU sed可用，不如：

sed -i -zE 's#//("--no-sandbox"[^\n]+\n[[:blank:]]+)#\1"--disable-dev-shm-usage"\n            , #' file.java

-z选项sed将行分隔符分配给NUL字符，它允许使用换行符分隔整行。

如果希望递归地对*.java文件执行相同的替换，请尝试：

find . -type f -name "*.java" -print0 | xargs -0 sed -i -zE 's#//("--no-sandbox"[^\n]+\n[[:blank:]]+)#\1"--disable-dev-shm-usage"\n            , #'

由于-i选项强制覆盖原始文件，请确保在测试之前备份文件(或将备份后缀设置为-i选项)。