Reference/!tempfile

!tempfile

symbol

This command creates a temporary file. It puts its path into a define, named symbol.

!tempfile PACKHDRTEMP
!packhdr "${PACKHDRTEMP}" '"C:\Program Files\UPX\upx.exe" "${PACKHDRTEMP}"'
!tempfile FILE
!define /date DATE "%H:%M:%S %d %b, %Y"
!system 'echo built on ${DATE} > "${FILE}"'
File /oname=build.txt "${FILE}"
!delfile "${FILE}"
!undef FILE
!undef DATE

Command introduced with NSIS v2.11