IBM CDI5UG1107 Manuale Utente Pagina 117
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Chapter 9
Compressing Files
This chapter describes the Sterling Connect:Direct Compress (CDCOMP) command and its function. This
chapter also shows sample CDCOMP screens and describes the parameters used with the CDCOMP
command.
Using the CDCOMP Command
Use the CDCOMP command to compress a file on the i5/OS node before sending it to a remote node.
Required CDCOMP Tasks
You must always complete one of the following activities when you use the CDCOMP command:
Compress members into a newly created file. You can create the file manually, or you can allow
CDCOMP to create the file.
Ensure that the output file contains no members before you execute CDCOMP.
Ensure that the output file is a physical data file with a record length of at least 256 bytes.
CDCOMP Command Example
The following command is an example of how to code the CDCOMP command.
Note: When you send a precompressed file to a remote node, specify the PRECMPR(*YES) in the
FMSYSOPTS of the CDSND command to have the remote node decompress the file. See Chapter 3,
Sending a File, for information on using the PRECMPR parameter with the Send operation. Tuning
parameters are not supported with the CDCOMP command. If Sterling Connect:Direct Secure Plus is
installed, PRECMPR(*YES) or DECMPR(*NO) options cannot be specified.
CDCOMP INFILE(TESTLIB/FILE1) OUTFILE(TESTLIB/CMP_FILE)
REPLACE(*YES) SELMBR((TEST1 TEST2)) EXCMBR((M1 M2))
- User’s Guide 1
- Copyright 2
- Contents 3
- Chapter 9 Compressing Files 4
- Chapter 1 7
- Connect:Direct/Plex 8
- Using Control Language 13
- Administrative commands 14
- Entering CL Commands 15
- Sample CL Program 16
- Accessing Command Level Help 17
- Prompting for a Command 17
- Using Parameter Level Prompt 17
- Sending a File 19
- Using the CDSND Command 20
- CDSND Command Format 21
- Sending a File 23 23
- CCSID(nnnnn) EORCHAR(xxxx) 24
- ALWNULL(Y) 24
- Sending a File 25 25
- Sending a File 27 27
- Sending a File 31 31
- Sending a File 33 33
- DEN 7-Track Tape 9-Track Tape 34
- 1 556 bpi 34
- 2 800 bpi 800 bpi 34
- 3 -- 1600 bpi 34
- 4 -- 6250 bpi 34
- Sending a File 35 35
- Using Block Mode Transfer 39
- Simulating Blocksizes 40
- Block Mode Transfer Examples 40
- CDSND and CDRCV Example 41
- Using the CDSND Screens 42
- Sending a File 43 43
- Receiving a File 45
- Using the CDRCV Command 46
- CDRCV Command Format 47
- Receiving a File 49 49
- Receiving a File 51 51
- Receiving a File 53 53
- Receiving a File 57 57
- Receiving a File 59 59
- Receiving a File 61 61
- Receiving a File 63 63
- Using the CDRCV Screens 67
- Receiving a File 69 69
- Receiving a File 71 71
- Sending a Spool File 73
- Sending a Spool File 77 77
- Sending a Spool File 79 79
- Sending a Spool File 83 83
- Sending a Spool File 85 85
- Sending a Spool File 87 87
- Sending a Spool File 91 91
- Running a Remote Task 93
- CDRUNTASK Command Format 94
- Using the CDRUNTASK Screens 98
- Running a Remote Task 99 99
- Chapter 7 101
- Required Parameters 102
- Optional Parameters 103
- Using the CDSUBMIT Screens 107
- Chapter 8 109
- CDRUNJOB Command Format 110
- Using the CDRUNJOB Screens 114
- Compressing Files 117
- CDCOMP Command Format 118
- Compressing Files 119 119
- Using the CDCOMP Screen 120
- Compressing Files 121 121
- Controlling Processes 123
- CDSUBPROC Command Example 124
- CDSUBPROC Command Format 124
- Required Parameter 125
- Using the CDSUBPROC Screens 127
- Controlling Processes 129 129
- Using the WRKCDPROC Screens 130
- WRKCDPROC Option Descriptions 131
- Displaying Process Details 131
- RLSCDPROC Screen 133
- HLDCDPROC Screen 133
- Chapter 11 135
- Using the CDSELSTAT Screens 137
- Decompressing Files 143
- Using the CDDECOMP Screen 144
- Decompressing Files 145 145
- Descriptions 147
- Using the DSPCDMSGD Screen 148
- Sample Message Description 149
- CL Program Examples 151
- CL Program Examples 153 153
- CL Program Examples 155 155
- CL Program Examples 157 157
- Notices 160
- Trademarks 161
- Glossary 163
- Timer Queue (TIMER) 167
- Index 171 171
- Index 173 173
- Index 175 175
- Index 177 177
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