Obrigado pelas respostas Itamar.
   Realizei os testes e acabei utilizando o mesmo código, alterando somente o grep -e para grep -Fe.   Devido a quantidade de informação existente no ARQ02 achei mais fácil copiar a variável se o grep não a encontrasse. (Meus conhecimentos em Shell Script são bem limitados).   Agradeço pelas respostas.
Grato
On Sunday, October 23, 2016 11:31 PM, "***@yahoo.com.br [shell-script]" <shell-***@yahoogrupos.com.br> wrote:
 Cometi uma falha no exemplo que dei para o fgrep
o certo para seu caso conforme entendi seria:
fgrep -v -f <(cat <&3) ARQ02 > result
[]'s
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