On Friday, April 19, 2002, at 02:17 , Bob Showalter wrote:
[..]
>> On Friday, April 19, 2002, at 12:29 , Pedro A Reche Gallardo wrote:
>>
>>> I am trying to print only the line that contain the ">" symbol and the
>>> next line.
Bob, I will defer to Pedro on this - my reading had been
that given
>line1
line2
line3
he only wanted the line1 - with the prefix symbol - and the next line
hence 'line2' - but we would not need to pick out any other lines
until we got to the next line with a 'prefix' in it...
> drieux, your solution has contains the code (pasted from your web page):
>
> ### while(<FH>) {
> ### if( /^$prefix/ ) {
> ### print "$_";
> ### my $nextLine = <FH>;
> ### print "$nextLine";
> ### }
> ### } # end while
>
> Consider the following input data:
>
>> Line 1
>> Line 2
> This is line 3. Should it print?
>
> Your code will not print line 3. Since it is the line following a line
> containing a ">", it seems that it should be printed, no?
if by this you wanted say
line1
>line2
line3
line4
{ edit the qw/... in the code to scramble up the 'input'
any way you want.... }
then the output would be
>line2
line3
hence we could change it to have
Foist we Make the File with:
bob
>line1
fred
line2
line3
>line4
alice
line5
line6
>line7
>line8
wombat
Fremonge
Now we Do The VooDoo
>line1
fred
>line4
alice
>line7
>line8
The 'logic fault' is that I am not imposing upon '>line8'
that I pick up the line after it - since It was picked up
as the 'second line' after the match at '>line7' - but
that is either
a) a data integrity problem - that the data set, as
showed, does not comply with the premise - and should be
fixed.
b) a product enhancement, which, with enough user requests
can be scheduled for the next release.... 8-)
c) case not covered in the market requirements docuement...
please resubmit your concern to the Project Management Team
for subsequent confusion of specifications and delivery dates.
does that help?
ciao
drieux
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