[文本处理] 批处理如何提取含特定字符的行？

anjohnlee

各位大神，我有一段文本如下，想提取所有含字符“>”的行到另一个文本中

>gi|156339812|ref|XP_001620269.1| hypothetical protein NEMVEDRAFT_v1g148627 [Nematostella vectensis]
QELDELLEEEKLIGVPLLVFANKQDLMNAATPAEISSNLGLNTIRSRGWQIQGCSALTGEGVQVSL
>gi|290995306|ref|XP_002680236.1| predicted protein [Naegleria gruberi]
MLVIWANKQDLPNAVVDVDELTKILQLNSIKQTSYIQPCSAVRGTGLYEGLEWISNNL
>gi|677097050|gb|KFP32535.1| ADP-ribosylation factor-like 5A, partial [Colius striatus]
DLKKAGLLIFANKQDVKECMTVAEISQFLKLTSIKDHQWHIQACCALTGEGLCQGLE
>gi|290995306|ref|XP_002680236.1| predicted protein [Naegleria gruberi]
MLVIWANKQDLPNAVVDVDELTKILQLNSIKQTSYIQPCSAVRGTGLYEGLEWISNNL
>gi|537203262|gb|ERE79577.1| ADP-ribosylation factor-like protein 3 [Cricetulus griseus]
MVQELTELLEEEKLSCVPVLIFANKQDLLTAAPASEIAEGLNLHTIRDRVWQIQSCSALTGEGVQDGMNWVCKNVNAKKK



即，提取下文中的五行，求大神动动手指教教我啊
>gi|156339812|ref|XP_001620269.1| hypothetical protein NEMVEDRAFT_v1g148627 [Nematostella vectensis]
>gi|290995306|ref|XP_002680236.1| predicted protein [Naegleria gruberi]
>gi|677097050|gb|KFP32535.1| ADP-ribosylation factor-like 5A, partial [Colius striatus]
>gi|290995306|ref|XP_002680236.1| predicted protein [Naegleria gruberi]
>gi|537203262|gb|ERE79577.1| ADP-ribosylation factor-like protein 3 [Cricetulus griseus]

522235677

findstr ">" 1.txt >new.txt
复制代码

jian123ch

回复 3# xudaweb
“findstr”这个命令，我还没有学到！

xudaweb

findstr ">gi|" 1.txt >>2.txt
复制代码

jian123ch

下面的代码我是在WIN7下调试通过的。

@echo off
setlocal enabledelayedexpansion
(for /f "eol= delims=" %%i in (testbbs1.txt) do (
  set strtmp=%%i
  if "!strtmp:~0,1!"==">" (echo !strtmp!)
))>newtext.txt
type newtext.txt
复制代码