Runtime functions

The following runtime functions are available in InstallMate.

Function	Description
$dateadd	Adds (or subtracts) a number of days, months, or years from a date
$datediff	Returns the difference between two dates, in days
$dateiso	Returns a date formatted acoording to ISO 8601
$datelocal	Returns a date formatted according to the current locale
$datenow	Returns a date some number of days, months, or years from the current date
$errmsg	Returns the Windows error message corresponding to a given error code or <LastExitCode>
$eval	Returns the expansion of a symbolic expression
$fagec, $fagem	Returns the created or modified age of a file, in seconds
$fbase	Returns the file name without extension of the passed-in path
$fdatec, $fdatem	Returns the file's created or modified date as yyyymmdd
$fdir	Returns the passed-in path minus its rightmost component
$fexist	Returns nonzero if the passed-in path exists, zero otherwise
$fext	Returns the extension of the file in the passed-in path
$fname	Returns the rightmost component of the passed-in path
$fread	Returns the text contents of the passed-in file
$froot	Returns the root folder on the volume of the passed-in path
$fsize	Returns the size of the passed-in file
$ftimec, $ftimem	Returns the created or modified timestamp of the file, as a serial date/time
$fverf	Returns the file version of the passed-in file
$fverfcmp	Compares the file version of the passed-in file to a given version
$fverp	Returns the product version of the passed-in file
$fverpcmp	Compares the product version of the passed-in file to a given version
$ifte	Performs conditional assignment
$iisdata	Returns Internet Information Server metadata
$iispath	Returns Internet Information Server path information
$instr	Returns the position of a search string in another string
$lfn	Returns the long file name version of the passed-in path
$part	Returns a subpart of the passed-in string
$rkaccess	Checks access to a registry key
$sfn	Returns the short file name (8.3) version of the passed-in path
$shpath	Returns one of the shell special folder paths
$srcpath	Returns the build time or installation time source path for an installation file
$strlower	Returns the passed-in string converted to lowercase
$strsubst	Replaces substrings in the passed-in path
$strtrim	Removes leading and trailing spaces from the passed-in string
$strupper	Returns the passed-in string converted to uppercase
$syspath	Returns one of a number of predefined system-specific folder paths
$systime	Returns the current system time as a serial number, with optional offset
$sysval	Returns one of a number of predefined system-specific data items
$vercmp	Compares two version numbers