HP 9000 200 Series Manual page 7

Renaming Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-34
Purging Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-35
Volume Labels (LIF and HFS Volumes Only) . . . . . . . . . . . . . . . . . . . . . . .. 5-39
Enabling Checkread Verification ................................... 5-40
What to Do Next . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-41
Chapter 6: Editing and Storing Programs
Entering and Storing Programs (Overview) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-1
Terminology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-1
Getting into EDIT Mode .......................................... 6-3
Correcting Typing Mistakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-4
Storing the Line .................................................. 6-4
Entering Program Lines ........................................... 6-4
Upper-case or Lower-case Letters? .................................. 6-6
Keys Used for Editing the Current Line .............................. 6-7
Keys Used for Scrolling the Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-9
Inserting Lines .................................................. 6-10
Deleting and Recalling Lines ...................................... 6-11
Copying Lines (By Changing Line Numbers) ........................ 6-12
Getting Out of EDIT Mode ....................................... 6-12
Listing the Program .............................................. 6-13
Storing the Program ............................................. 6-13
Running the Program ............................................ 6-13
A Closer Look at Editing ............................................. 6-14
More Details about Getting into EDIT Mode. . . . . . . . . . . . . . . . . . . . . . .. 6-14
Typing-Aid Softkey Menu Changes (ITF Keyboards Only) ............ 6-15
A Closer Look at Listing a Program ................................ 6-16
Global Editing Operations ........................................ 6-18
Indenting a Program ............................................. 6-19
Finding Textual Patterns ......................................... 6-22
Search-and-Replace Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-24
Copying Program Segments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-25
Moving Program Segments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-25
Deleting Multiple Lines ........................................... 6-26
Making Programs Readable ................................... . . . . . . .. 6-27
Contrast Between Documented and Undocumented Programs ......... 6-28
General Recommendations for Commenting Programs . . . . . . . . . . . . . . .. 6-30
Software Security .................................................... 6-31
Preventing Programs from Being Listed. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-31
Other Security Measures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-32
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