Re: Why does my program change the characters in my shell

From: Andrew Gabriel (andrew_at_cucumber.demon.co.uk)
Date: 06/26/03 

Date: 26 Jun 2003 08:28:23 GMT

In article <3EFA632F.2FC168CD@icehouse.net>,
        Andrew Falanga <excalibur@icehouse.net> writes:
> Hello,
>
> I'd like to know what the typical reason for this is. I'm debugging a
> program I've written, and to make sure I'm using sscanf( ) and strcpy(
> ). However, when it gets done puting the data on stdout, the program is
> supposed to prompt me for action.
>
> What is displayed is really weird text. No English alphabetic
> characters, just right angled shapes and stuff. What normally alters
> the character set of stdout (don't know if I worded that correctly)?

Run the program with the output sent to a file, and then read
the file with vi or cat -v (or pipe output through cat -v) and
you will likely see you are generating non-printing charaters.
You are probably hitting upon the sequence to put the terminal
into block graphics mode. 

-- 
Andrew Gabriel
Consultant Software Engineer

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