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中国DOS联盟论坛 » DOS批处理 & 脚本技术（批处理室） » [Closed]How to get the line number in a text? View 5,853　Replies 4
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Original Poster Posted 2008-11-08 21:40　·　 中国 广西 梧州 电信
applecy
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RT.

There is a file adc.txt with content like:
aaa.exe
bbb.exe
ccc.exe
.....
zzzzz.exe

How to use random to get a random line number, then echo the content of that line.

Thanks to all the大虾 (experts) in advance.

[ Last edited by applecy on 2008-11-8 at 22:33 ]
我抬头仰望,原来天还是跟原来一样高.
I look up to the rise, the original days or as high as the original.
Floor 2 Posted 2008-11-08 22:03　·　 中国 山东 淄博 联通
pusofalse
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```@echo off
for /f "tokens=2 delims=:" %%a in ('find /c /v "" "abc.txt"') do set /a n=%random%%%%%a+1"
findstr /n .* abc.txt|findstr /b "%n%:"
pause>nul
```
Recent Ratings for This Post （ 2 in total） Click for details
RaterScoreTime
applecy +1 2008-11-08 22:32
HAT +2 2008-11-08 22:34
心绪平和,眼藏静谧,无比安稳的火... Purification of soul...Just a false...^_^
Floor 3 Posted 2008-11-08 22:28　·　 中国 江西 赣州 电信
tireless
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```@echo off
for /f %%a in (abc.txt) do set /a n+=1
set /a line=%random%%%%n%
for /f "delims=" %%b in ('more +%line% abc.txt') do echo %%b & goto out
:out
pause
```
Recent Ratings for This Post （ 2 in total） Click for details
RaterScoreTime
applecy +2 2008-11-08 22:32
HAT +2 2008-11-08 22:34
Floor 4 Posted 2008-11-08 22:32　·　 中国 广西 梧州 电信
applecy
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Thanks to the brothers on the 2nd and 3rd floors.
我抬头仰望,原来天还是跟原来一样高.
I look up to the rise, the original days or as high as the original.
Floor 5 Posted 2020-10-28 10:39　·　 中国 安徽 合肥 移动
lk987655
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