{\rtf1\ansi\ansicpg1252\cocoartf949\cocoasubrtf460 {\fonttbl\f0\fmodern\fcharset0 Courier;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\sl264\slmult1\ql\qnatural\pardirnatural \f0\fs28 \cf0 The most common use of the register command is to summarize\ postings based on the account(s) they affect. Using\ @file\{sample.dat\} as as example, we could look at all book purchases\ using:\ \ @example\ ledger reg books\ @end example\ \ Reports:\ \ @smallexample\ 2004/05/29 Book Store Expenses:Books $20.00 $20.00\ @end smallexample\ \ If a double-dash (@samp\{--\}) occurs in the list of regular\ expressions, any following arguments are matched against payee names,\ instead of account names:\ \ @example\ ledger reg ^liab -- credit\ @end example\ \ Reports:\ \ @smallexample\ 2004/05/29 Credit card company Liabilities:MasterCard $20.00 $20.00\ @end smallexample\ \ There are many reporting options for tailoring which postings are\ found, and also how to summarize the various amounts and totals that\ result. These are plumbed in greater depth below.}