如何合并数目不详的两个模式之间的多条线路到一个使用一行AWK [英] How to merge unknown number of multiple lines between two patterns into a single line using awk

问题描述

我有一些文本文件，每个文件都会有一些信息，如下

I have some text files where each file will have some information as below

235.91 245.67 B: some information here
246.79 246.99 A: some other information here,
more information here,
and may be here
247.45 248.99 A: some other text here,
some more here
249.98 ---- 

和图案重复

我要安排文如下：

235.91 245.67 B: some information here
246.79 246.99 A: some other information here, more information here, and may be here
247.45 248.99 A: some other text here. some more here
249.98 -----

这意味着我要合并所有两个匹配模式之间的线（与它们之间的空格）

That means I want to merge all the lines between two matching patterns( with spaces between them)

我想每一行开始与编号为图案。数字始终具有小数点后两位数字小数点。一图案和下一个图案之间的行数而变化（可以有在所有的一个或多个线或无线）。

I want every line to start with the numbers as the pattern. The numbers always has a decimal point with two digits after the decimal point. The number of lines between a pattern and the next pattern varies (There can be one or more lines or no lines at all).

能有人帮我pferably做到这一点使用shell脚本$ P $用awk？

Could some one help me do this using shell scripting preferably using awk?

推荐答案

这听起来像你需要的东西是这样的：

It sounds like you need something like this:

awk '
{ printf "%s%s", ($1 ~ /\.[[:digit:]][[:digit:]]/ ? rs : FS), $0; rs=RS }
END { print "" }
' file

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