在平面文件中替换空字符^ @ [英] Replacing the null character ^@ in a flat file

问题描述

我有一个从他人软件生成的平面文件.他们在文件的某些位置插入空字符^ @.我希望用-9之类的东西代替它们.如何在Mac OS X的终端中有效搜索和替换此字符?

I have a flat file generated from someone else's software. They insert the null character ^@ in certain positions of the file. I wish to replace them with something else like -9. How do I search and replace this character efficiently in terminal on Mac OS X?

谢谢.

还有另一篇文章针对Linux中的这个问题./p>

There is another post addressing this question in linux.

推荐答案

(要保持SO的传统，即使用不同的工具针对shell脚本问题提出多个答案):

(To maintain a SO tradition of proposing multiple answers with different tools for shell scripting questions):

使用tr:

tr -d '\0'

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