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将行转换为固定列长度

tag-icon • tag-icon formatting textfiles
将行转换为固定列长度

我只想简单地获取给定的文本文件并强制最大列长度为 80。我该如何将其转换为：

Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.

并将其变成这样：

Four score and seven years ago our fathers brought forth on this continent, a n
ew nation, conceived in Liberty, and dedicated to the proposition that all men 
are created equal.

答案1

使用折叠命令：

fold -s -w 80 filename

-s如果您希望在字符边界而不是单词边界（实际上是空格）处断行，请省略该选项。

我怀疑如果文本采用多字节编码（例如 UTF-8）（并且包含非 ASCII 字符）进行编码，则此方法效果不佳。

如果您使用的是 Windows，请使用赛格威，Unx工具类或者操作系统- 它们可能包括折叠。

答案2

$ fmt --width=80 <<< 'Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.'
Four score and seven years ago our fathers brought forth on this continent,
a new nation, conceived in Liberty, and dedicated to the proposition that
all men are created equal.

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