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Mark Rosenthal
mbr@arlsoft.com
P.S. - Interesting side-note. Did you know that the ed command:
g/regular _expression_/operation
is where the name "grep" came from? In ed and ex, the "g" means do
a global search for the immediately following regular _expression_,
and apply the operation to every matching line. One such operation
is "p" meaning "print". Using "re" as shorthand for "regular
_expression_", the ed command to print every line that matches a
particular regular _expression_ is:
g/re/p