Iseries Programming Facilities

7/30/2019 Iseries Programming Facilities

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iSeries Programming Facilities

SyedIbrahim Abbas


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Topics to be covered

Source Entry Utility (SEU)

Data File Utility (DFU)

Screen Design Aid (SDA)

Q&A


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Source Entry Utility


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SEU

SEU is a full screen editor that allows you to

Create new source members

Print the member

Edit, Browse and Delete the members


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Edit Session

In edit session with SEU you can

Insert new records, Change/ delete records, Move record from one point to another, Find a special string

Special FeaturesSEU commands

Line commands

Syntax checking

Additional options


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SEU Commands

SEU command allow you to work with member without leaving thework screen

Line commands help you to insert, copy, move, delete or prompt forrecords

It performs automatic syntax checking of source statements for C,C++, Java, Cobol, RPG, CLP and REXX


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Session Defaults F13

It specifies the characteristics of the SEU session.

How much of the display the PAGE UP/DOWN keys move

Whether input is in upper case only

Whether sequence checking is to be performed


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Find/Change Options F14 Search for specific string in some or all records

Change the specific string

Search for records that contain syntax errors

Search based on date edited


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Select Prompt F23

SEU provides predefined prompts and format lines for high level languages and CLcommands


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Browse/ Copy option F15

To look at another member or spooled file Copy another member or spooled file to the member you are editing

Copy specific records from another member


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You can also split the edit / browse session in to two parts

This feature can be used to copy records from one member on display tomember that you are editing


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Starting SEU

Type STRSEU


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Type source member Eg. INVMAST

Source Type: Eg. PF

Option: 2/*blankedit , 5- browse 6- Print

Type the text description


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Starting screen

Press F24 to display more function keys


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Browse/copy F15

To copy a block of records type CC in the starting line and in end lineand press enter

Type A and press enter in the member we are editing to paste thecopied content

Press F12 to close the browse session, revert back to single screen


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To insert a new line Type IP in the next line


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Data File Utility


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DFU

To Enter data into Database file

Used to create Data Entry Programs for users

Once program created you can Enter data

Update files

Make file enquires


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DFU Menu

STRDFU

To create a program type option 2 and press enter. In the 1st screen enterproram name/LIB and Data file/LIB


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The next screen defines the general DFU information The program job title

The display format

Whether audit reporting is requiredif Y it will ask audit control options

Whether records are updated when the user rolls between records

To generate a key


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Select Record and Field

Next select the record format you wish to use

Select and sequence fields based on your requirement


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Work with fields

You can view andmodify theextendedattributes of a

field using option2

This screen allowsyou to review the

definition statusof each field


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Generate DFU Program Press enter to generate DFU program


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Change a Data File

After DFU program saved change screen will bedisplayed

You can also select option 1 from DFU menu

Using DFU program you can Change a record file F11

Browse record page down / page up

Print an audit report listing all the changes made to that file

Automatically duplicate one or more fields


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Add new records

F9 to insert record in between two existing records

F10 to add record at the end of file

You can also use other function keys to refresh, select format and exit .


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Screen Design Aid


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SDA

SDA is an Interactive tool to design menus and displays used by program

It is also used to create online help information


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SDA Painting image directly on screen

SEU coding data description manually


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SDA Menu - STRSDA


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Files, Records, fields

Display file can contain multiple records

A record may contain multiple fields

SDA manages the records for you to cpy, delete, rename anddesign


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Creating new display


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Work screen

To add Constant : surround your text with single quotes (), eg. Customer

Field : type + followed by

char I, O , B ( i/p, o/p, both)

Num 3, 6, 9 ( i/p, o/p, both)


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Predefined Constant and Field

Attributes

You can also use predefined constant like *USER

*SYSNAME *TIME

*DATE

You can define attribute of fields by placing * before anyfield and press enter

To give a name to the field type ? Before the field


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SDA and Database file

Press F10 from screen , Select database file screen is dispalyed Select option 1 to display all fields it the file


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Define database field

Select option

2 for input 3 for output

4 for both


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Then you will be returned to the work screen

All the database fields are listed at the bottom with a number

You can add this field any where in the work screen by typing &followed by the reference number. E.g.&5


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Record level keywords

Type option 8then selectrecord levelkeyword basedon your need


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Indicator keyword


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Overlay keyword

If you do not want this record to clear the screen when it displayed then use thiskeyword . Type Y


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Output keyword This format is not to erase any other format underneath it


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DDS

SDA will generate DDS based on the information on the screen

You can view/edit tat using SEU


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Advantages of using both SDA and SEU

SDA Easily move fields and constant

Easily change display attributes

See what display will look before having operationalprogram

Easily link display fields to database fields

SEU Easily copy DDS from other display files

Copy or move section of code from one location to another

Use global find and repalce Fine-tune a display

Date post:	04-Apr-2018
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Iseries Programming Facilities

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