[Info-vax] Removing blank lines from text files

Bill Gunshannon bill.gunshannon at gmail.com
Sat Jun 15 17:46:32 EDT 2019


On 6/15/19 10:31 AM, Dave Froble wrote:
> On 6/14/2019 11:47 PM, Bob wrote:
>> Alas, that also finds lines with whitespace but no text.
>> My files include many of those.
>>
> 
> The following simple (untested) program is most likely less typing than 
> has already been spent on this subject.
> 
> 10      Input "Input filename", F$
>          Open F$ for Input as File 1%
> 
> 20      Input "Output filename"; F2$
>          Open F2$ for Output as File 2%
> 
>          On Error GoTo 90
> 
> 30      Linput #1%, L$
>          GoTo 30 If L$=""
>      Print #2%, L$
>      GoTo 30
> 
> 90      Resume 99 If Erl=30 and Err=11
>          On Error GoTo 0
> 
> 99      End
> 

This and other examples will all fail based on the fact that
the original problem includes lines that although appearing
blank may in fact contain space characters.

I can think of no simple solution but the problem can be
handled by any of a number of programming languages if
one is willing to invest the time.

bill




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