@ECHO OFF
if "%1"=="help" goto help
if "%1"=="/h" goto help
if "%1"=="" goto default
if "%2"=="" goto just1

fgrep /i %2 s:\diary\%1.dry 
goto end

:just1
type s:\diary\%1.dry | more
goto end

:help

ECHO diary [name] [[search_string]]
ECHO diary               - list contents of all diaries
ECHO diary name          - list content of specified diary
ECHO diary name string   - list all occurences of 'string' in named diary
goto end

:default
for %%i in (s:\diary\*.dry) do more %%i
:end