TLDR
Enter a command. For example: git reauthor, hexyl, comm, git coauthor.

mail

 
The command operates on the user's mailbox if no argument is given. To send an email the message body is built from standard input. More information: https://manned.org/mail.
 
  • Send a typed email message. The command-line below continues after pressing Enter key. Input CC email-id (optional) press Enter key. Input message text (can be multiline). Press Ctrl-D key to complete the message text:
     
    mail --subject="{{subject line}}" {{to_user@example.com}}
     
  • Send an email that contains file content:
     
    mail --subject="{{$HOSTNAME filename.txt}}" {{to_user@example.com}} < {{path/to/filename.txt}}
     
  • Send a tar.gz file as an attachment:
     
    tar cvzf - {{path/to/directory1 path/to/directory2}} | uuencode {{data.tar.gz}} | mail --subject="{{subject_line}}" {{to_user@example.com}}

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