linux - Bash completion programming , '@' is always removed in completion string -

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I am completing a bass for Gentoo, which searches for packages, sets (Portes 2.2 new feature) But one problem I found when I'm using the following command:

emerged @ pay

and I should get @ protected-libs, but Bash turns it in:

emerge pres

The first thought was that there would be a problem with my script "emerge-finder.pl", so I again Checked and this The script gave the correct output.

And next I checked the Bash script: 

  _portage_cmd () {COMPREPLY = (`~ / scripts / emerge-finder.pl $ {COMP_WORDS COMPPLY} before line [COMP_CWORD]} `}} full-width _portage_cmd em   
 and I put" echo $ {COMP_WORDS [COMP_CWORD}} ", and the" @ "character has no output, wired .  
 How can I remove my "@" from Bash? thanks a lot!   
 
 
 Can help quote or avoid ...  
 So cited:  
  emerged '@pace'   
 or by avoiding:  
  emerged @ send

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