diff --git a/README.md b/README.md
index cb7731d..947c68e 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ reworked using the example file as a template before loading the csv file.
 
 ## Installation
 
-Windows users should look for `etf2cb.exe` and download it if it is available
+Most Windows users will download `etf2cb.exe` and the `*.csv` files
 then skip to the next section.
 
 ---
@@ -45,14 +45,12 @@ Java [here](https://www.java.com/download/).
 
 Start a command prompt.
 
-If you downloaded `etf2cb.exe` it is run without the `python` prefix or `.py`
-extension, but otherwise it is the same.
-
-Alternatively,
+* run `etf2cb` if you downloaded the Windows executable
+* Alternatively, run under python, for example:
+    `python etf2cb.py`
 
 ```
-python etf2cb.py -h
-usage: etf2cb.py [-h] filename [area]
+usage: etf2cb [-h] filename [area]
 
 Extract ETF Annual Statement transaction component splits
 
@@ -70,6 +68,13 @@ Many things can fail with this automated process so users should validate the
 output manually.
 Firstly, check the total of all deposit amounts is zero.
 
+## Advanced Commands
+
+* wildcards for a folder:
+    `for %f in (tax\v*.pdf) do etf2cb %f vanguard`
+* concatenate files with manual confirm:
+    `copy tax\*split.csv tax\all_splits.csv`
+
 ## Customising
 
 Amounts will be extracted from the pdf using the area reference unless run on
@@ -78,18 +83,24 @@ a `.csv` file.
 1. `tabula-area.csv` must be specified to extract data from pdf
 1. `tax-acc.csv` must be configured for each label
 
-The `tabula-area.csv` file in the distribution is user-configurable.
+The `tabula-area.csv` file in the distribution is user-configurable,
+For example,
+change the second line to read the address entity instead of the HIN.
 
 Tax account configuration is required in a user-configurable `tax-acc.csv`
 file containing the following fields:
 
 1. `Label` - first part uses tax codes, second part uses strings in pdf labels
 1. `Description` - details are optional
-1. `Type` - 'CR' or 'DB' account
+1. `Type` - `CR` or `DB` account
 1. `Account` - users cashbook chart of account code
 
 ## Sample Output
 
+Look at the sample in the `Tax` folder.
+
+    etf2cb tax\VAS-annual-tax-statement-2018 vanguard
+
 ```csv
 Entity,Date,Description,Account,Deposit
 X0123456789,30/06/2018,VAS,Income:Distribution:13U,-3606.42
@@ -105,6 +116,8 @@ X0123456789,30/06/2018,VAS,Income:Distribution:Rounding,-0.01
 ```
 
 There are many ways to accumulate the splits for all ETFs by entity and year.
+A simple way is to concatenate all csv files then open it in a spreadsheet
+and do a pivot table.
 
 In GnuCash use:
 1. File, Import, Import Transactions from csv,
diff --git a/VAS-annual-tax-statement-2018.csv b/Tax/VAS-annual-tax-statement-2018.csv
similarity index 100%
rename from VAS-annual-tax-statement-2018.csv
rename to Tax/VAS-annual-tax-statement-2018.csv
diff --git a/VAS-annual-tax-statement-2018.pdf b/Tax/VAS-annual-tax-statement-2018.pdf
similarity index 100%
rename from VAS-annual-tax-statement-2018.pdf
rename to Tax/VAS-annual-tax-statement-2018.pdf
diff --git a/VAS-annual-tax-statement-2018_split.csv b/Tax/VAS-annual-tax-statement-2018_split.csv
similarity index 100%
rename from VAS-annual-tax-statement-2018_split.csv
rename to Tax/VAS-annual-tax-statement-2018_split.csv
diff --git a/etf2cb.exe b/etf2cb.exe
new file mode 100644
index 0000000..827ac79
Binary files /dev/null and b/etf2cb.exe differ