At Thu, 20 Jun 2013 10:50:45 +0400,
Владимир Скубриев wrote:
> 
> пришлось за бэкслэшить \\1 и \\2 иначе bash переводил echo -n "\\1"; 
> echo \\2 в echo -n "^A"; echo ^2

Ну разумеется. bash(1):
\nnn   the eight-bit character whose value is the octal value nnn (one to three 
digits)


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