bug#15206: Report od bugs

[Eric Blake]

tag 15206 notabug
thanks

On 08/29/2013 12:01 AM, Kaitao Lai wrote:
> Dear Sir/Madam,
> 
> I am writing this email to report a bug from od command. I am working in 
> bioinformatics research filed, and currently I am trying to convert phred 
> scores from fastq format file to Ascii values, and met weird things. For 
> example, when I try to convert 100 characters into ASCII values, if the last 
> 30 characters are the same, it only return part of values, NOT the complete 
> values.
> The example is listed below:
> If there is very long poly-# string, then below 100 characters only return 84 
> ASCII values.
> 
> $ echo '=:?D+AAB<address@hidden' | od -An -t dC
>    61   58   63   68   43   65   65   66   60   66   63   68   67   65   70   
> 69
>    66   65   70   63   71   72   73   66   71   70   71   67   68   71   66   
> 71
>    65   70   71   56   67   70   63   70   63   68   61   68   71   63   66   
> 70
>    72   71   61   64   55   55   67   35   35   35   35   35   35   35   35   
> 35
>    35   35   35   35   35   35   35   35   35   35   35   35   35   35   35   
> 35
> *
>    35   35   35   35   10

This behavior is documented, and required by POSIX.
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/od.html

If you don't want elision of identical lines, then you must use the -v
option.

As this is working as intended, and is just usage error on your part,
I'm marking this as not a bug.  Feel free to add further comments or
questions to this report, though.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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