China DOS Union

Asking everyone, how to use batch processing to call a random line from a text and define variables respectively?

The text content is like:
——————————
WKS001 1 abcdefg
WKS002 2 abcdefg
WKS003 3 abcdefg
WKS004 4 abcdefg
WKS005 5 abcdefg
WKS006 6 abcdefg
WKS006 6 abcdefg
...
——————————
In this way, the number of lines is not fixed, and each line has 3 segments of characters separated by spaces. It is required to randomly调入a certain line in batch processing, and then define the 3 segments of characters of that line as variables a b c

After debugging, I will recharge 10 Q coins to the author as a reward, thank you everyone

[ Last edited by adslcool on 2010-11-18 at 16:15 ]

This Q coin seems not difficult to get... Is the above bid accepted?

::If the number in the middle of each line is the serial number, you can use Findstr to randomly find it. @echo off & Title Variable Random Definition Setlocal EnableDelayedExpansion ::Find out how many valid lines are in the file: For /f %%a in ('findstr "^WKS" File.txt ') do (set /a N+=1) Echo There are !N! lines of valid data in File.txt! ::Set random number and use Findstr to find the line with the corresponding number in the middle of the line. set /a Line=%Random% %% !N! +1 For /f "tokens=1-3" %%a in ('findstr " %Line% " File.txt ') do ( set "One=%%a" set "Two=%%b" set "Thr=%%c" ) echo %One% echo %Two% echo %Thr% Endlocal Pause

[ Last edited by wewebb on 2010-11-18 at 18:30 ]

::If the number in the middle of each line is not a serial number but an indefinite number. @echo off & Title Variable Random Definition Setlocal EnableDelayedExpansion ::Find out how many valid lines are in the file and add line numbers to each line: (For /f "delims=" %%a in ('findstr "^WKS" File.txt ') do (set /a N+=1 & echo !N! %%a) ) > NewFile.txt Echo NewFile.txt has !N! lines of valid data! ::Set a random line number and use Findstr to find the corresponding line. set /a Line=%Random% %% !N! +1 For /f "tokens=2-4" %%a in ('findstr "^%Line% " NewFile.txt ') do ( set "One=%%a" set "Two=%%b" set "Thr=%%c" ) echo %One% echo %Two% echo %Thr% Endlocal Pause

[ Last edited by wewebb on 2010-11-18 at 18:29 ]

```
::If the file content is all in the same format (no extra information lines), and the numbers in each line are of variable numbers.

@echo off & Title Variable Random Definition
Setlocal EnableDelayedExpansion

::Find out how many lines are in the file
For /f "delims=" %%a in (File.txt) do set /a N+=1

Echo File.txt has!N! lines!

::Set random line number
set /a Line=%Random% %%!N! +1

For /f "tokens=1-3" %%a in (File.txt) do (
set /a num+=1
if!num! ==!Line! (set "One=%%a" & set "Two=%%b" & set "Thr=%%c")
)
echo %One%
echo %Two%
echo %Thr%
Endlocal
Pause
```

[ Last edited by wewebb on 2010-11-18 at 18:49 ]

Thanks to everyone, I'll test it first, the above expert's