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plasma33,

Here is a longest-common-sequence implementation http://www.dostips.com/?t=Experimental.StringDiff as a starting point.
It could be improved and converted to a function.

Aacini's solution shortened: @echo off setlocal EnableDelayedExpansion set "last=" ( for /F "delims=" %%a in (input.txt) do ( set "line=!last!%%a" set "last=" set "line=!line:-= !" for %%b in (!line!) do ( if defined last echo !last! set "last=%...

very clever

Hey SIMMS7400, It is possible you want tokens= 1, 2* ? Also last line did you mean SET "C=_ %%C " ? FOR /F "tokens=1,2* delims=_" %%A IN ("%~n0") DO ( IF ["%%A"] NEQ [""] SET "A=%%A" IF ["%%B"] NEQ [""] SET "B=_%%B&...

Voodooman,
Nice trick using %=exitcode% variable.

Wanted to mention that dostips also lists two functions for converting hex to dec and dec to hex:
http://www.dostips.com/DtTipsArithmetic ... tion.toDec
http://www.dostips.com/DtTipsArithmetic ... tion.toHex

Batcher, your solution doesn't seem to work for Win7 64bit. I get this error: --------------------------- Unsupported 16-Bit Application --------------------------- The program or feature "\??\C:\Users\Peter\AppData\Local\Temp\in.com" cannot start or run due to incompatibity with 64-bit ve...

Yes - the command interpreter allows for simple string substitution not necessarily word substitution. You think this example doesn't get the point across? If someone want's to propose a better example for string substitution then I would consider it for inclusion. Note: vbscript comes installed by ...

The double quotes are trouble. 5th character of string1 is not a double quote. this should work: set string1="test"ing set string2="test" or this: set "string1=testing" set "string2=test" or this: set string1=testing set string2=test or even this set "str...

"safely remove double quotes surrounding a string" was meant to mean surrounding the whole string, not counting double quotes within the string.
Any suggestions on how to formulate this better are welcome.

Ok, I see what you mean. This has been fixed now, character position starts with 1 now and not with 0.
Thanks a lot for pointing this out!

Fixed - thanks guys!

old:
if "%s%"=="!s:@@@%string2%!=" (
new:
if "%s%"=="!s:@@@%string2%=!" (

"Specifies the character number, n, to begin each comparison." means that n=4 indicates that each comparison should begin at the 4th character in each line. Adding a space after the 4th character should clarify: abc1 0def3 <== 0 abc9 00def4 <== 0 results from 00, 4 is greater than 3 abc2 9...

dbenham, Very good! Inspired by your post the :toHex function has been made more efficient and now handles negative numbers. I preferred the leading zeros option and so the new implementation is a bit different than you suggested. Many thanks for your input! http://www.dostips.com/DtCodeCmdLib.php#F...

BrentNewland, Try this: @echo off set "title=Hi There (Title up to 60 characters long)" setlocal set "frame=%title% ============================================================" echo.%frame:~60%>> log.txt echo.=%title%=>> log.txt echo.%frame:~60%>> log.txt endlocal outputs: =====...

Haha - you just did his home work for him ... I bet