procmail notes

14 Sep 2006

procmail notes

Good procmail sites

• Timo’s procmail tips
• ii.com – procmail quickstart
• procmail tips
• Halcyon guide
• Partmaps procmail FAQ
• Stimpy’s formail tutorial

Procmail commands can consist of.

• a statement

FOO=`formail ... | sed ...`

• a recipe

A recipe consists of three parts.

• a colon line
• zero or more condition lines
• an action section

:0
 email_folder/

:0
 * From: ...
 email_folder/

An action is one of.

• a folder

email_folder
 email_folder/

• a forward

!foo@bar

• a pipe (with :0 fwh or :0 fwb colon flags)

| formail -I ...

• a curly brace

{

Curly Braces

A curly brace starts a nesting block ie a recipe can be:

• a colon line, zero or more conditions, and curly brackets

:0
 {
     ...
 }

:0
 * From: ...
 {
     ...
 }

Inside curly brackets there must be one or more recipes.

How to do if-else

Do if-else using the E colon line flag

:0
 {
     :0
     * ^From: ...
     # deliver to default destination (inbox)
     ${DEFAULT}
 }
 :0E
 {
     # else
     ...
 }