Creates a snapshot of a file.

snap.bat

@echo off
setlocal enabledelayedexpansion

rem
rem Usage: .\snap.bat
rem
rem Upon invocation, copies `name.ext` to `name_1.ext`.
rem If `name_1.ext` already exists, copies to `name_2.ext`, 
rem then `name_3.ext` and so on...
rem

set "name=ipt_tahak"
set "extension=svg"

set "sourceFile=%name%.%extension%"

rem Check if source file exists
if not exist "%sourceFile%" (
    echo Source file not found: %sourceFile%
    exit /b
)

rem Find the next available snapshot index
set "index=1"
:findNextIndex
set "snapshotFile=%name%_%index%.%extension%"
if exist "%snapshotFile%" (
    set /a "index+=1"
    goto :findNextIndex
)

rem Copy the source file to the snapshot file
copy "%sourceFile%" "%snapshotFile%"


echo Snapshot created at %DATE% %TIME%: %snapshotFile%

endlocal