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|
@echo off
setlocal enableextensions enabledelayedexpansion
:: Needs an argument.
if "x%*"=="x" (
echo Usage: which ^<progName^>
goto :end
)
:: First check if file exists
if exist "%*" (
echo "%*"
goto :end
)
:: Then try the unadorned filename in PATH.
set fullspec=
call :find_it %*
:: Then try all adorned filenames in order.
set mypathext=!pathext!
:loop1
:: Stop if found or out of extensions.
if "x!mypathext!"=="x" goto :loop1end
:: Get the next extension and try it.
for /f "delims=;" %%j in ("!mypathext!") do set myext=%%j
call :find_it %1!myext!
:: Remove the extension (not overly efficient but it works).
:loop2
if not "x!myext!"=="x" (
set myext=!myext:~1!
set mypathext=!mypathext:~1!
goto :loop2
)
if not "x!mypathext!"=="x" set mypathext=!mypathext:~1!
goto :loop1
:loop1end
:end
endlocal
goto :eof
:: Function to find and print a file in the path.
:find_it
for %%i in (%*) do set fullspec=%%~$PATH:i
set z=%fullspec%
if not [%fullspec%]==[] set z=%fullspec:\=/%
if not "x!z!"=="x" @echo !z!
goto :eof
|
