How to see if a string exists in a txt file.

[BatchFileCommand]

How would you make the batch file search for a string in a batch file, then if the string exists , it does the specified command.

[BC_Programmer]

use find command and errorlevel.

[BatchFileCommand]

So would this work.

Code: [Select]

find /i "string" filename
if errorlevel 0 do echo string unfound


[Dias de verano]

So would this work.

Code: [Select]

find /i "string" filename
if errorlevel 0 do echo string unfound


Suggestion: try it and see.

[BC_Programmer]

So would this work.

Code: [Select]

find /i "string" filename
if errorlevel 0 do echo string unfound


Suggestion: try it and see.

OMG! I was gonna say that!

[BatchFileCommand]

Suggestion: try it and see.

I was looking for a more direct answer  . But no, it doesn't work.

[Dias de verano]

Suggestion: try it and see.

I was looking for a more direct answer

Ok, "no".

it doesn't work.

I can see why.

So can you if you read the error message.

You can roll your eyes all you like. Attitude like that will get you a whole bunch of help, wise guy.

[BatchFileCommand]

Unfortunately I turn echo on and there is no error message. I just took a random guess with the errorlevel.
Besides, Dias, why are you always this "I know everything" guy who has no "patience" .

[Dias de verano]

Unfortunately I turn echo on and there is no error message. I just took a random guess with the errorlevel.
Besides, Dias, why are you always this "I know everything" guy who has no "patience" .

I am not. I just respond badly to lazy people.

computers.txt contains the text 'bb'

Code: [Select]

@echo off
find /i "bb" computers.txt
if errorlevel 0 do echo string unfound
I saved it as tme.bat

Code: [Select]

C:\>tme

---------- COMPUTERS.TXT
bb
'do' is not recognized as an internal or external command,
operable program or batch file.

[BatchFileCommand]

Oh yeah, I took away the do shortly after the first post. Should've edited and took that out. So, any other reason it shouldn't be working?

[Dias de verano]

Oh yeah, I took away the do shortly after the first post. Should've edited and took that out. So, any other reason it shouldn't be working?

It depends what you mean by "working".

You have the logic the wrong way around. If errorlevel is 0 that means there was no error, that is, the string was found, not "unfound", (did you mean not found?)

[BatchFileCommand]

Oh, I thought if errorlevel was 0 there was an error  .
So I need to add a bit more. Would it matter if I have the .txt or not?

Code: [Select]

find /i "text" file
if not errorlevel 0 (echo found) else (echo unfound)
pause>nul

It always says found. I've tried this with the extension on and off the file name.

[Dias de verano]

You must always use the full file name including extension.

This works

Code: [Select]

find /i "text" filename.ext
if %errorlevel% EQU 0 (echo found) else (echo not found)

[BatchFileCommand]

Finally! It works  .

[BC_Programmer]

awwwww. Darn. I was reading the thread and hoping BFC got contrexed. But he isn't worthy of a Contrexing. As entertaining as they are, they likely take some effort.

Now he's gonna ask- "whats contrexing?"