For security reasons, Qlik Sense in standard mode does not support absolute or relative paths in the data load script or functions and variables that expose the file system.
However, since absolute and relative paths were supported in QlikView, it is possible to disable standard mode and use legacy mode in order to reuse QlikView load scripts.
Security aspects when connecting to file based ODBC and OLE DB data connections
ODBC and OLE DB data connections using file based drivers will expose the path to the connected data file in the connection string. The path can be exposed when the connection is edited, in the data selection dialog, or in certain SQL queries. This is the case both in standard mode and legacy mode.
Limitations in standard mode
Several statements, variables and functions cannot be used or have limitations in standard mode. Using unsupported statements in the data load script produces an error when the load script runs. Error messages can be found in the script log file. Using unsupported variables and functions does not produce error messages or log file entries, the function returns NULL.
There is no indication that a variable, statement or function is unsupported when you are editing the data load script.
System variables
| Variable | Standard mode | Legacy mode | Definition |
|---|---|---|---|
| Floppy |
Not supported |
Supported | Returns the drive letter of the first floppy drive found, normally a:. |
| CD |
Not supported |
Supported | Returns the drive letter of the first CD-ROM drive found. If no CD-ROM is found, then c: is returned. |
| QvPath |
Not supported |
Supported | Returns the browse string to the Qlik Sense executable. |
| QvRoot |
Not supported |
Supported | Returns the root directory of the Qlik Sense executable. |
| QvWorkPath |
Not supported |
Supported | Returns the browse string to the current Qlik Sense app. |
| QvWorkRoot |
Not supported |
Supported | Returns the root directory of the current Qlik Sense app. |
| WinPath |
Not supported |
Supported | Returns the browse string to Windows. |
| WinRoot |
Not supported |
Supported | Returns the root directory of Windows. |
| $(include=...) | Supported input: Library connection | Supported input: Library connection or absolute/relative path | The include variable specifies a file that contains text that should be included in the script. The entire script can thus be put in a file. This is a user-defined variable. |
See: System variables
Regular script statements
| Statement | Standard mode | Legacy mode | Definition |
|---|---|---|---|
|
Binary
See: Binary |
Supported input: Library connection | Supported input: Library connection or absolute/relative path | The binary statement is used for loading data from another app. |
|
Connect
See: Connect |
Supported input: Library connection | Supported input: Library connection or absolute/relative path | The CONNECT statement is used to define Qlik Sense access to a general database through the OLE DB/ODBC interface. For ODBC, the data source first needs to be specified using the ODBC administrator. |
|
Directory
See: Directory |
With a library connection, this statement has no effect on subsequent script. | Supported input: Library connection or absolute/relative path | The Directory statement defines which directory to look in for data files in subsequent LOAD statements, until a new Directory statement is made. |
|
Execute
See: Execute |
Not supported | Supported input: Library connection or absolute/relative path | The Execute statement is used to run other programs while Qlik Sense is loading data. For example, to make conversions that are necessary. |
|
LOAD from ...
See: Load |
Supported input: Library connection | Supported input: Library connection or absolute/relative path | Returns the browse string to the Qlik Sense executable. |
|
Store into ...
See: Store |
Supported input: Library connection | Supported input: Library connection or absolute/relative path | Returns the root directory of the Qlik Sense executable. |
Script control statements
| Statement | Standard mode | Legacy mode | Definition |
|---|---|---|---|
|
For each... filelist mask/dirlist mask See: For each..next |
Supported input: Library connection Returned output: Library connection |
Supported input: Library connection or absolute/relative path Returned output: Library connection or absolute path, depending on input |
The filelist mask syntax produces a comma separated list of all files in the current directory matching the filelist mask. The dirlist mask syntax produces a comma separated list of all directories in the current directory matching the directory name mask. |
File functions
| Function | Standard mode | Legacy mode | Definition |
|---|---|---|---|
| Attribute() | Supported input: Library connection | Supported input: Library connection or absolute/relative path | Returns the value of the meta tags of different media files as text. |
| ConnectString() | Returned output: Library connection name | Library connection name or actual connection, depending on input | Returns the active connect string for ODBC or OLE DB connections. |
| FileDir() |
Returned output: Library connection |
Returned output: Library connection or absolute path, depending on input | The FileDir function returns a string containing the path to the directory of the table file currently being read. |
| FilePath() |
Returned output: Library connection |
Returned output: Library connection or absolute path, depending on input | The FilePath function returns a string containing the full path to the table file currently being read. |
| FileSize() |
Supported input: Library connection |
Supported input: Library connection or absolute/relative path | The FileSize function returns an integer containing the size in bytes of the file filename or, if no filename is specified, of the table file currently being read. |
| FileTime() |
Supported input: Library connection |
Supported input: Library connection or absolute/relative path | The FileTime function returns a timestamp for the date and time of the last modification of the file filename. If no filename is specified, the function will refer to the currently read table file. |
| GetFolderPath() |
Not supported |
Returned output: Absolute path |
The GetFolderPath function returns the value of the Microsoft WindowsSHGetFolderPath function and returns the path. For example, MyMusic. Note that the function does not use the spaces seen in Windows Explorer. |
| QvdCreateTime() | Supported input: Library connection | Supported input: Library connection or absolute/relative path | This script function returns the XML-header time stamp from a QVD file, if any is present, otherwise it returns NULL. |
| QvdFieldName() | Supported input: Library connection | Supported input: Library connection or absolute/relative path | This script function returns the name of field number fieldno, if it exists in a QVD file (otherwise NULL). |
| QvdNoOfFields() | Supported input: Library connection | Supported input: Library connection or absolute/relative path | This script function returns the number of fields in a QVD file. |
| QvdNoOfRecords() | Supported input: Library connection | Supported input: Library connection or absolute/relative path | This script function returns the number of records currently in a QVD file. |
| QvdTableName() | Supported input: Library connection | Supported input: Library connection or absolute/relative path | This script function returns the name of the table stored in a QVD file. |
System functions
| Function | Standard mode | Legacy mode | Definition |
|---|---|---|---|
| DocumentPath() |
Not supported |
Returned output: Absolute path |
This function returns a string containing the full path to the current Qlik Sense app. |
|
GetRegistryString()
|
Not supported |
Supported | Returns the value of a named registry key with a given registry path. This function can be used in chart and script alike. |
See: System functions
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