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There are various methods to go about it, one would be to use TF_Find to find the lines and pass these on to TF_RemoveLines like so:
Note TF_Find uses RegEx so the | means search sentence a OR sentence b

Another method would be to use TF_Replace but you would be left with empty lines unless you use `r`nto show how you`r`n but these fail with the first and lastlines because they don't start or end with `r`n. You could use TF_ReplaceInLines but you are left with empty lines as well OR you could have a look at TF_Substract where lines in list1 are removed in list2.

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TF : Text files & strings lib, TF Forum

so if i had a variable like this :
LinesToDel = line2|another line|random

TF_RemoveLines("!Text.txt", TF_Find("!Text.txt", "", "", LinesToDel, 0))

this would work? i tried it and it removed everything from the text file

then i tried this :

TF_Substract(LinesToDel, "!Text.txt", "0")

and it didnt remove anything

ok never mind
i got it to work with TF_Substract

i was just doing it completely wrong

This is great work. A deep thank-you to hugov!

Greetz, sunfire

@sunfire: thats nice to hear. I'm always curious what functions people use and if they have any suggestions ...

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TF : Text files & strings lib, TF Forum

Update v3.3, 16 April 2010

* Fixed: If you used variables with any of the replacement functions or tried to remove empty lines from a VARIABLE in the following format: variable:=TF_..(variable,"search","replace") and the searchtext was NOT present in the variable it returned an empty variable (e.g. deleted the contents of "variable")
It affected TF_ReplaceInLines, TF_Replace, TF_RegExReplaceInLines, TF_RegExReplace, TF_RemoveBlankLines, TF_RangeReplace
The built-in check only worked correctly for FILES and with the introduction of variables in TF 3 this didn't surface during the test

* Fixed: documentation error for TF_Merge (seperator and filename where swapped) and added examples on how to use TF_Merge in a Loop and with FileSelectFile

Bug reports welcome as I just found the bug and fixed it...

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AHK FAQ
TF : Text files & strings lib, TF Forum

Hi I am trying to search a file for certain text and have it tell me the line. Then I store that line number in a variable and have the TF_RemoveLines function remove the line number present in the variable...

Here is what I have.




What the script is doing is deleting all the contents of the settings.ini file instead of just the line I stated in the function.


I hope someone can help...

Your code highlighting the errors:



correct:



This should work.

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AHK FAQ
TF : Text files & strings lib, TF Forum

hugov


Thank you for a very quick and detailed response. This has remedied my problem and now I may continue to program!


Again I appreciate your assistance.

Sorry to bother you again Hugo but I have run into another issue...


I am trying to write text to a line in a file...and it writes fine and to the proper place...but it is not writing the value of a variable...


Here is my code...



and in the file it gives me

SettingsManager.floatSet GSDefaultLatencyCompensation 0.0%ping%0000
SettingsManager.U32Set GSInterpolationTime %ping%



I have also tried ping without the percent signs. Is there any way I can get this to work?

Never mind...I discovered a solution myself. If there is anyone here with a similar dilemma here is the solution.

You have to insert the line with the variable you want in the text. NO percent marks here.



Then replace the text of the variable with the actual value of the variable




And then you can write any variable in your script into a file.

You also can do it in the correct way, combining literals and variables:

Oh thanks for the help ruespe...lots less code that way.

Is there a TF function that can remove duplicate or matching groups of lines? For example, could it find and remove the red below, but not the orange?


(edited for clarity)

Not exactly, with with a bit of pre- and postprocessing you could:

Either this or probably a convoluted regex(replace) with some backreferencing magic

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AHK FAQ
TF : Text files & strings lib, TF Forum