> 
> I meant not my .bashrc and .bash_profile are readonly, but when I put
> into them the line like this:
> SHELLOPTS='igncr'
> after logging in bash says to me that SHELLOPTS is readonly variable and
> cannot be set.

Reread the release announcement.  SHELLOPTS auto-tracks
shell option settings, so you can do this in your .bash_profile:

export SHELLOPTS
set -o igncr

in order to change SHELLOPTS on the fly.

-- 
Eric Blake
volunteer cygwin bash maintainer

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