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Page 91

Referring to Saved Encrypted Passwords

This section describes how to centralize and protect passwords by avoiding specifying them

directly inside command line argument. Instead, you can name, encrypt and store the passwords

inside DataLink_Viewer.ini. Besides protecting your passwords, this also allows you to change

the passwords in one location, instead of in multiple command line arguments.

Visual CUT already encrypts passwords for connecting reports to data sources, sending emails,

exporting to ODBC, and capturing incoming emails. But plain password might be used in the

following command line argument: After_Success_SQL, Email_Password, FTP_Upload,

SFTP_Upload, Password, PDF_Protect, PDF_Merge, Word_Protect, XLS_Protect,

XLS_Protect_Sheets, XLS_Modify_Protect, ZIP_Files. In addition, Email_To, Email_CC, and

Email_BCC can contain passwords when using the option to get email addresses via an ODBC

call.

To protect and centralize password in the later scenarios, go to the Process tab in the Options

dialog and click on the 'Encrypt & Save Password' button. This provides the following dialog:

In the case above, I named the password for my FTP_Upload as "FTP". The ini file entry is

always named as "Encrypted_Password_" followed by the password name you specify. So in

my case, the full name is Encrypted_Password_FTP. From that point on, I can refer to that

password inside my command line arguments as Encrypted_Password_FTP and Visual CUT

would make the appropriate substitution. For example:

"SFTP_Upload:22>>{@server}>>PW>>ido>>Encrypted_Password_FTP>>>>>>c:\temp\*.html>>>>10"

If you need to change a previously saved password, use the drop-down to select the previously

saved password name and enter a new password.

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Page 92

Other Options and Features

Delegating Exporting/Bursting to DataLink Viewer 2011

Visual CUT 11 can delegate exporting/bursting operations to DataLink Viewer 2011 in

order to support Crystal 2008/2011/2013 features:

1. Calculated CrossTab members

2. Dissociate Formatting Page Size and Printer Paper Size

3. Auto-Arrange option for chart layouts

4. The group expert options of 'New Page After N Visible Groups'

5. Mixed portrait & landscape sections

6. Embedded Flash objects.

The argument to request this is "Proxy:DLV". If you wish to use saved data in the source report,

specify dlv in lower case, like this: "Proxy:dlv".

All the parameters and login info used for running the report in Visual CUT are automatically

applied to the DataLink Viewer 2011 process as well. During bursting, the DataLink Viewer

2011 process communicates back to the Visual CUT progress window. For example:

Note: to export to rptr file format, use 'Crystal Report' as export format and set the export file

extension to '.rptr'.

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Page 93

Proxy Processing Using a Data Snapshot

If you wish to save the report -- as currently previewed in Visual CUT -- to a snapshot for proxy

processing, use "Proxy:dlv_snapshot". This allows you to retrieve the data only once and ensure

the data processed by DataLink Viewer is as fresh as the data seen by Visual CUT. Note that

such snapshot processing doesn't support features from later Crystal versions because the

snapshot report is a version XI R2 report.

Another way to retrieve the data only once is to include in your batch file:

Step 1: a call to DataLink Viewer to export the report to rpt (or rpz) so the data is fresh

Step 2: a call to Visual CUT to process the report with "Use_Saved_Data:True" and a proxy call

with lower-case argument ("Proxy:dlv"), so that both Visual CUT and the proxy processing by

DataLink Viewer use the same saved data that was refreshed in step 1. This is a bit more

involved but supports features from later versions of Crystal.

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Page 94

Triggering a Batch File with Dynamic Content Before/After Export

Imagine that you need to export some reports and then trigger some command line processing

such as packaging the files into a .RAR archive before uploading the archive to an FTP server.

The After_Export_Batch command line argument allows you to insert batch file operations

after each successful whole report export. Note: After_Burst_Batch does the same after each

group export step). Visual CUT then waits for the batch file to complete processing before

continuing with any other Visual CUT processing such as emailing or uploading to FTP.

The Before_Export_Batch command line argument does the same before Visual CUT exports

the report. A typical use is to archive previously exported files.

The key feature is that you can embed field/formula names within the batch file just as you

can within the Visual CUT 3

tab options. Visual CUT substitutes the appropriate values for

these field/formula names before launching the batch file processing. A typical use for this

is to make sure dynamic export file names are used within the batch file.

For example, using the following command line (all in one line):

------------------------------------------------------------------------------------------------------------

"C:\Program Files\Visual CUT\Visual CUT.exe" -e "C:\test.rpt"

"After_Export_Batch:C:\test.cmd"

"FTP_Upload:Passive_1>>

ftp://server1.RSB.com>>user1>>Pass1>>

c:\test{[yy]}{[MM]}{[dd]}.rar>>MyFolder

------------------------------------------------------------------------------------------------------------

would cause Visual CUT to:

1. Export the test.rpt to a desired format and dynamic file name

2. Look into the c:\test.cmd batch file to locate and temporarily replace Crystal

fields/formula references with their dynamic values.

For example, the following batch file:

"C:\Program Files\WinRAR\rar.exe" a "c:\test{[yy]}{[MM]}{[dd]}.rar"

"c:\temp\*{[yy]}{[MM]}{[dd]}.txt"

Would be executed as if it was

"C:\Program Files\WinRAR\rar.exe" a "c:\test101014.rar"

"c:\temp\*101014.txt"

3. Visual CUT would then continue by executing the FTP upload the resulting RAR file.

Note: for scheduled processing under Windows 2008 you may need to set the batch file

properties to: ‘

Run this program in compatibility mode for

’ Windows XP (Service Pack 3).

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Page 95

Triggering Reports Based on Database, File, and Email Events

The After_Export_Batch argument allows one report to monitor a database, file, or email

(Crystal can use the file system or Exchange folders as data source), and locate new entries based

on record selection logic or based on Visual CUT Skip_Recent (or process log) logic. Then, if a

new and valid Database/File/Email event is detected, export to a dummy file and trigger a second

report, passing to it (via a batch file) parameters from the first report.

Printing

Bursting to Printer

You may want to burst a report directly to a printer. For example, you may want each group to

become a separate print job so it gets stapled.

There are 3 options for achieving this.

Method 1

Use Printer_Burst or Printer_Burst_Only command line arguments. For detail, see:

Using Command Line Arguments to Specify Printer Bursting Destination

Method 2

Burst to PDF files and use PDF_Print command line arguments to print them. For detail, see:

Printing PDF Files

Method 3

Export to Printer (Default) or Printer (Specified) as the export format.

This allows print bursting to be initiated/stopped interactively. If the Rename_Printer_Jobs

option in the DataLink_Viewer.ini file is set to True, the printer queue shows the group value for

each burst cycle print job.

When using Printer (Specified) as the export format, the export file name option controls the

name of the printer. Since this option can be dynamic (contain field/formula reference), this

means that each group can be printed to a different printer.

User

s who don’t see these export format options in the drop

-down should add two new rows to

the Export_Opt table in the Visual CUT.mdb Access database:

Export Constant

Export Name

Printer_Default

Printer (Default)

Printer_Specified

Printer (Specified)

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Page 96

Interweaving Burst Printouts From Multiple Reports

Imagine that you need to burst a report such that each group results in a check printed on special

paper using Landscape orientation followed by supporting documentation using Portrait

orientation on another type of paper. Or perhaps you need to burst 3 different reports (sales,

commissions, and product returns) to sales representatives and you want the output to be sorted

by report output within Sales Rep (rather than by Sales Rep within report output).

The After_Burst_Batch command line argument allows you to insert batch file operations after

each successful export burst step (and waiting for that batch file to complete processing).

You can embed within the command lines inside the batch file field/formula names just as you

can within the Visual CUT 3

tab options. Visual CUT substitutes the appropriate values (those

associated with the current processing cycle) for these field/formula names before launching the

batch file processing. This allows synchronized interweaving of group bursting printouts

from multiple reports without the limitations of subreports (subreports don’t support

different paper trays, different paper orientations, and nested subreports).

For example, using the following scheduling string (or batch file):

------------------------------------------------------------------------------------------------------------

"C:\Program Files\Visual CUT\Visual CUT.exe"

-e

"C:\Program Files\Visual

CUT\Visual_CUT.rpt" "Printer_Burst_Only:\\PS\Laser1"

"After_Burst_Batch:C:\VC_Prod_Type.bat"

------------------------------------------------------------------------------------------------------------

would cause Visual CUT to:

1. Start processing the Visual CUT.rpt and burst the first group value ("Competition")

2. Before bursting the next group value ("Mountain"), Visual CUT looks into the

VC_Prod_Type.bat file to see if recognized fields/formula names should be temporarily

replaced with dynamic values.

Parm1:{Product_Type.Product Type Name} is then replaced with Parm1:Competition

3. The dynamic/temporary copy of the batch file is then triggered for processing, causing a

secondary instance of Visual CUT to process the After-Bursting request.

4. Visual CUT then resumes the cycle with the next group value ("Mountain")

NOTE: in cases where paper tray choices within the reports don't seem to be honored during the

processing, I recommend you add the same Printer to your Windows setup a 2

time with a

different name and a different paper tray as the default. Then set each report to use the

printer "clone" that has the desired tray as the default.

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Page 97

Printer Job Name Functionality

When printing reports, Visual CUT names the print job according to the export file name option

(even when only printing, and no exporting, takes place). Since the export file name can be a

mixture of static text and field/formula values, this allows you to have a very fine control over

the printer job names showing up in the printer job queue. For example, during print bursting,

you can have each group printed under a different job name, allowing you to abort printouts for

certain groups.

In cases where you don't have permissions to rename jobs in the printer queue, you should

disable this functionality by setting the following option in the DataLink Viewer.ini to False:

[Options]

Rename_Printer_Jobs=FALSE

Page 98

ZIP and Password Protect Files

You can instruct Visual CUT to ZIP and, if you provide a password, password protect any

number of files. This can be particularly useful when emailing files that need to be protected or

combined into a single attachment. The zip processing occurs before emailing processing.

The command line argument structure is as follows:

… "ZIP_Files:File_List>Password>Zip_File"

The parameters (after the ":") are separated by a ">" and are as follows:

1. File_List: comma separated list of the files you wish to zip.

If all files share the same folder, you can specify the full path just for the first file.

If a file is not found, a warning is written to Failure.log and that file is skipped.

Note: you can specify file names using wild cards.

2. Password: leave this option blank if you don't need to password protect the zip file. When

avoiding password protection, the command line look like this:

… "ZIP_Files:File_List>>Zip_File"

3. Zip_File: The path and name of the target zip file. If the specified path doesn't exist,

Visual CUT would create it on the fly.

Important Note: you can use field or formula names within the command line arguments.

The dynamic content of these fields/formulas would be substituted into the command line.

Among other things, this allows you to easily zip and protect file exports with different

passwords for each group you are bursting. For example (all in one line):

"ZIP_Files:c:\temp\{@Product} Sales.pdf,{@Product} Returns.pdf>

{@Password}>c:\temp\{@Product} Reports.zip"

Page 99

Load ini Values into Parameters

By naming parameters in a certain way, you can ask Visual CUT to automatically load their

values from ini file entries.

One possible use may be for reports where some parameters change only once per quarter.

Another case could be a situation where you develop and sell reports (probably .rpt files

converted to .rpz files) to clients in a vertical market. These reports are designed to work against

a known database structure, but each client may need to customize the reports with text

elements, conditional formatting, or record selection criteria without changing the report

design. Or perhaps you wish to restrict use of your reports to only paying customers by

providing a license code that must match (using secret logic) the company name in the

customer’s database.

Instructions:

First, add to the [Options] section in DataLink_Viewer.ini (in the application folder) an entry

with a key name (Company) and value (Millet Software) of your choice. For example:

Then, add a String Single-Value parameter named "DLV_INI_Option_KeyName" to the

report. Visual CUT automatically sets the value of such parameters to the value found for the

Key Name under the [Options] section of DataLink_Viewer.ini. So, in the case above,

the parameter value of DLV_INI_Option_Company would be set to "Millet Software".

Notes:



The user never gets prompted for the value of such parameters.



If a matc

hing key name can’t be found, the parameter gets the value of:

"Failed INI Lookup"



You can have as many parameters like this as you wish, each with a different key name.



To pass such parameters to subreports, create a formula in the main report that simply

returns the value of the parameter. Then, pass that formula as a link to the subreport.

Securing Reports against Unauthorized Use

If you wish to secure your reports against unauthorized use, you can provide authorized users a

License Key string for the ini entry. Within the report (later distributed to clients as an .rpz file)

you design a record selection criterion that returns true only if the license key matches a

condition, such as the company name in the database. As a simple example, you could check

the number of characters in the license key is equal to the length of the actual company name (in

the database) plus the number of R’s in that company’s name.

[Options]

…

Company=Millet Software

Page 100

FTP/SFTP

Exporting to an FTP Server (old approach)

One option for exporting to an ftp server is to map the target FTP folder into a "drive" letter on

the machine where Visual CUT is running. From that point on, Visual CUT can simply export to

that drive as if it’s exporting to a local drive.

In cases where due to security or operating sy

stem restriction the mapping can’t be done using

Windows, you can use specialized utilities that take care of this mapping.

One such utility is free: FTPDrive: http://www.killprog.com/fdrve.html

Another is WebDrive ($69.95): http://www.southrivertech.com/products/webdrive/index.html

Note: if you are exporting a PDF file to an FTP drive, and you don’t need the extra PDF file

properties and bookmark functionality provided by Visual CUT, consider turning that option off

(in the Options dialog within Visual CUT). This functionality requires Visual CUT to reach out

and handle the exported PDF file. In the case where that file sits on an FTP drive, this can slow

down processing. Alternatively, you can use 2 command lines in the batch file: the first to

export to the local hard drive, and the 2

line that simply copies the resulting file to the FTP

destination.

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