Heres some example code for ya using the winzip command line support....
Code:
$null = SetOption ("NoVarsInStrings","On")
$null = SetOption ("Explicit","On")
Dim $backupfile,$backupto,$wzzip,$datestamp,$MonthNo,$MDayNo
$backupfile = "C:\temptest.txt"
$backupto = "C:\Backups"
$wzzip = ReadValue("HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\wzzip.exe","")
If @MDayNo = "1"
If Len(@MonthNo) = 1
$MonthNo = "0"+@MonthNo
Else
$MonthNo = @MonthNo
Endif
If Len(@MDayNo) = 1
$MDayNo = "0"+@MDayNo
Else
$MDayNo = @MDayNo
Endif
$datestamp = ""+@Year+"-"+$MonthNo+"-"+$MDayNo
Shell '%comspec% /c "'+$wzzip+'" -rp '+$backupto+'\'+$datestamp+'.zip '+$backupfile
Endif
