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The following is the next of the previous mail. For example, this mail data format is the following. ----------------------- Return-Path: <something> Received: <something> <something> <something> To: <something> From: [EMAIL PROTECTED] Hello! World! <mail delimiter mark> Return-Path: <something> ... ----------------------- I want to output all the "To:" fields in the mail which contains "example.com" in the "From:" field. ------------- To: [EMAIL PROTECTED] To: [EMAIL PROTECTED] ... ------------ What language/software/environment do you use to develop this program? You can use any programming languages or softwares or environments, but I make a point of development speed rather than processing speed. Regards, -- Tsuyoshi Takada <[EMAIL PROTECTED]> -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list