From: Rob Biedenharn <Rob@...>
Date: 2008-11-22T07:23:30+09:00
Subject: Re: append new line to textfile

On Nov 21, 2008, at 4:58 PM, Shane Emmons wrote:
> On Fri, Nov 21, 2008 at 4:41 PM, Mmcolli00 Mom  
> <mmc_collins@yahoo.com>wrote:
>> I want to create a text file and append a new line to the text file
>> everytime a new logline is completed, my program iterates and gives a
>> new log every few hours.
>>
>> this is an example of my logline:
>> logline: 'completed' starttime 04:00 endtime 23:00
>>
>> my goal is to have a text file populated with the following
>> 'completed' starttime 04:00 endtime 22:00
>> 'completed' starttime 06:00 endtime 01:00
>> 'completed' starttime 05:00 endtime 23:00
>> 'completed' starttime 09:00 endtime 23:00
>>
>> so far this is my method...yes, I am a beginner. Thanks in advance.  
>> MC
>>
>> File.open('logfile.txt')do |f1|
>> f1.logline
>> end
>>
> File.open('logfile.txt', 'w+') do |f1|  f1.write(logline)
> end
> -- 
> Shane Emmons


Eek! No, that's for a read/write file.  You want a mode of 'a' for  
append.  All write operations will first reposition to the end-of-file.

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com