Steven W. Orr wrote:
A pipe is the asynchronous mechanism used to transfer output from one
program to being the input of another. It's that funny commandline
with more than one comand stuck together with a | sign.
A filter is a program that reads from stdin and writes to stdout.
Most unix programs do that. For example, you can tell grep what files
to seach right on the commandline, but because grep is a filter, you
can provide input to grep through a pipe.
Being procmail-centric, if you simply pipe to, eg. formail, will
procmail still retain it's copy of the message with which to carry on
with the recipe's, or does piping cease procmail's involvement?
Thanks for your reply,
Steve :)
PS. What were all these => (nasty things) in your reply?
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