如何修复许多文件的“文件末尾没有换行符"警告? [英] How to fix “No newline at end of file” warning for lots of files?

问题描述

我有大量的源文件，最后都缺少换行符.

I have a huge number of source files that are all lacking a newline at the end.

如何自动在每个行的末尾添加换行符?

How do I automatically add a newline to the end of each of them?

有些可能已经有换行符，因此仅在必要时才添加.

Some may already have a newline, so it should only be added if necessary.

我本质上可能不是在寻找代码，而是可以在Terminal中运行以添加必要的换行符(或某种编程或开发工具)的东西.

I'm probably not looking for code, per se, but just something I can run in Terminal to add the necessary newlines (or some kind of programming or development tool).

推荐答案

为方便起见，将Norman的答案转换为分开的单线.

Converted Norman's answer to a split one-liner for convenience.

for i in * ; do  echo $i; \
 if diff /dev/null "$i" | tail -1 | \
  grep '^\\ No newline' > /dev/null; then echo >> "$i"; \
 fi; done

将*替换为所需的任何文件格式，例如*.c

Replace * with whatever file pattern you want, eg *.c

另一个只是告诉您哪些文件已损坏:

And another to just tell you which files are broken:

for i in * ; do \
 if diff /dev/null "$i" | tail -1 | \
  grep '^\\ No newline' > /dev/null; then  echo $i; \
 fi; done

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