From: Robert Klemme <shortcutter@...>
Date: 2010-04-13T23:37:45+09:00
Subject: Re: how to delete the first two characters of each row?

2010/4/13 Pen Ttt <myocean135@yahoo.cn>:
> how to delete the first two characters  of each row?
> i want to delete the first two characters  of each row in file
> /home/pt/test/mtp.txt
>
>
> io=open("/home/pt/test/mtp.txt","r")
> io1=open("/home/pt/test/mtpback.txt","w")
> while line=io.gets
>   ioput=line.delete("/^..../")
>   io1.write(ioput)
> end
>
> when i open /home/pt/test/mtpback.txt,there is not what i want,where is
> wrong?

At your favorite shell prompt:

$ cut -c 3- /home/pt/test/mtp.txt >| /home/pt/test/mtpback.txt

Kind regards

robert


-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/