@CLIP[n[, clipboard]] : Returns line n from the Windows text clipboard. The first line is numbered 0. The string **EOC** is returned for all line numbers beyond the end of the clipboard.
The optional second parameter (0-9) specifies the clipboard you want to use (CLIP0: - CLIP9:). The default Windows clipboard is CLIP0:.
Numeric input may be entered in either decimal format (a sequence of 0-9 digits) or in hexadecimal format ("0x" followed by a sequence of 0-F hex digits).
Examples:
echo %@clip[0]
if "%@clip[2]" eq "**EOC**" echo No more data in the clipboard
rem Return the first line in CLIP7:
echo %@clip[0,7]