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alias hygiene
[ some test ] && alias _grep="egrep --color=always "$string""
|| alias _grep="egrep --color=always
"^|$1|$string""
... the alias will end up downstream from a pipe which is why there's no
filespec.
Is that sort of thing sanitary? It seems to work and it's simpler than
making a function call but it makes me feel queasy. I'd like to use one
line after cobbling together the argument string based on the test, but
"^|$1|$string" is only understandable to egrep so we can't pre-digest
it. It seems I need the two lines. I'm leery of some gotcha, but it
seems ok so far.
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