File Management - IBM

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Table 2. High-Level Languages and Their OS/400 Operations High-Level Languages ILE C/400 Programming ILE COBOL/400 Operation OPEN BASIC Language Programming Language Read OPEN INPUT fopen, _Ropen OPEN INPUT Write OPEN OUTPUT fopen, _Ropen OPEN OUTPUT, OPEN EXTEND Update OPEN OUTIN fopen, _Ropen OPEN I-O Delete OPEN OUTIN fopen, _Ropen OPEN I-O READ By relative record number READ REC _Rreadd READ By key READ KEY _Rreadk, _Rformat READ KEY Sequential READ NEXT, GET fread, fgetc, fgets, _Rreadf, _Rreadl, _Rreadn, _Rreadp, _Rreads, _Rformat, _Rpgmdev READ Previous READ PRIOR _Rreadp READ Next READ NXT, GET fread, _Rreadn READ, READ NEXT Invited Device _Rreadindv READ WRITE-READ _Rwriterd, _Rformat, _Rpgmdev WRITE By relative record number WRITE REC _Rwrited WRITE By key WRITE _Rwrite, _Rformat Sequential WRITE fwrite, fputc, fputs, _Rwrite, _Rformat, _Rpgmdev FEOD _Rfeod WRITE UPDATE By relative record number REWRITE REC _Rupdate REWRITE By key REWRITE KEY _Rupdate REWRITE DELETE By relative record number DELETE REC _Rdelete DELETE By key DELETE KEY _Rdelete DELETE ACQUIRE _Racquire ACQUIRE RELEASE _Rrelease DROP 6 File Management V4R5
Table 2. High-Level Languages and Their OS/400 Operations (continued) Operation BASIC High-Level Languages ILE C/400 Programming Language COMMIT _Rcommit COMMIT ROLLBACK ROLLBACK ILE COBOL/400 Programming Language CLOSE CLOSE, END fclose, _Rclose CLOSE, STOP RUN, CANCEL Table 3. High-Level Languages and Their OS/400 Operations Operation OPEN PASCAL PL/I High-Level Languages Read RESET, GET, READ, READLN OPEN INPUT OPEN Write REWRITE, WRITE, WRITELN OPEN OUTPUT OPEN Update UPDATE OPEN UPDATE OPEN Delete UPDATE OPEN UPDATE OPEN ILE RPG/400 Programming Language READ By relative record number GET, READ READ KEY READ, CHAIN By key READ KEY READ, READE, CHAIN Sequential GET, READ, READLN READ NEXT, GET READ Previous GET, READ, READLN READ PRV READP, READPE Next GET, READ, READLN READ NXT, GET READ, READE Invited Device READ WRITE-READ EXFMT WRITE By relative record number PUT, WRITE, WRITELN WRITE, EXCPT primary file WRITE By key WRITE KEY WRITE, EXCEPT Sequential PUT, WRITE, WRITELN WRITE, PUT WRITE, EXCEPT FEOD FEOD UPDATE By relative record number PUT, WRITE, WRITELN REWRITE KEY UPDATE Chapter 2. File processing 7
Page 1: AS/400e File Management Version 4
Page 4 and 5: © Copyright International Business
Page 6 and 7: | | | | | Special considerations fo
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Page 12 and 13: 2 File Management V4R5 v Distribute
Page 14 and 15: Table 1. File Types and Their Main
Page 18 and 19: | | Table 3. High-Level Languages a
Page 20 and 21: Add Add new records to the file. Up
Page 22 and 23: | Sharing files 12 File Management
Page 24 and 25: 14 File Management V4R5 For example
Page 26 and 27: 16 File Management V4R5 File resour
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Page 30 and 31: Application 1 Application 2 Applica
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Page 34 and 35: The open feedback area also contain
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Program A (in user default activati
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58 File Management V4R5 Displaying
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60 File Management V4R5 Command 7 d
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62 File Management V4R5 Display All
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Redirecting files 64 File Managemen
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66 File Management V4R5 Default act
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68 File Management V4R5 From Databa
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Copying files: overview 70 File Man
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72 File Management V4R5 Table 9. Co
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Table 10. Summary of Copy Functions
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76 File Management V4R5 Copying fil
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Resending copy file completion mess
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80 File Management V4R5 from-file m
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CPYSRCF command support for CCSIDs
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90 File Management V4R5 Copying onl
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Selecting the records to copy 92 Fi
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94 File Management V4R5 Selecting r
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96 File Management V4R5 Example: bu
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98 File Management V4R5 When you sp
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100 File Management V4R5 A field na
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102 File Management V4R5 v “Null-
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104 File Management V4R5 - INCCHAR(
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When you specify PRINT(*EXCLD), the
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Note: It is possible for files with
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110 File Management V4R5 Variable-L
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Table 14 on page 112 outlines the c
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114 File Management V4R5 in the cur
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116 File Management V4R5 (including
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Preventing errors when copying file
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elationship. However, the copy oper
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Preventing allocation errors when c
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128 File Management V4R5 - A depend
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Year 2000 support: date, time, and
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FLD TYPE DATFMT SPECIFIED FIELD LEN
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Restrictions for Year 2000 support
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| | | | | | | | | | AS/400 supports
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Using the Copy From Import File (CP
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externally described database file
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144 File Management V4R5 v Two adja
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- Description: This Field Definitio
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Date Fields All date formats suppor
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150 File Management V4R5 Figure 14
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devices that process the same type
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Default system output queues 154 Fi
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Spooling writers 156 File Managemen
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value of *OWNER indicates that only
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160 File Management V4R5 You can us
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162 File Management V4R5 QFNC Finan
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164 File Management V4R5 If a job b
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Spooling subsystem 166 File Managem
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168 File Management V4R5 the DLTSPL
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Table 20. Open Feedback Area (conti
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Table 20. Open Feedback Area (conti
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Table 21. Device Definition List (c
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Table 23. Common I/O Feedback Area
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Table 24. I/O Feedback Area for ICF
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Table 24. I/O Feedback Area for ICF
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Table 26. I/O Feedback Area for Dat
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Table 27. Get Attributes (continued
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(SBCS) A B 1 2 1-Byte Code X’C1
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200 File Management V4R5 Table 28.
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Invalid double-byte code and undefi
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DBCS device file support 204 File M
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206 File Management V4R5 - Create D
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DBCS display support 208 File Manag
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210 File Management V4R5 When you c
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DBCS font tables 212 File Managemen
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214 File Management V4R5 CPYIGCTBLI
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DBCS font files DBCS sort tables 21
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Finding out if a DBCS sort table ex
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220 File Management V4R5 v When you
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User-created dictionary for DBCS 22
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Work with DBCS conversion dictionar
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another alphanumeric entry in the e
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Figure 22. Display Produced by the
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230 File Management V4R5 1. Positio
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Figure 23. Example Screen 1 Positio
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Figure 27. Example Screen 5 234 Fil
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236 File Management V4R5 - If you t
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contains information on data descri
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240 File Management V4R5
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CHGWTR (Change Writer) command 157
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command, CL 160, 212 (continued) Tr
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DBCS conversion dictionary (continu
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file object authority 8 file proces
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output queue (continued) changing 1
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estriction DBCS files 206 deleting
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WRKOUTQD (Work with Output Queue De
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