如何写第一支COBOL程序，HELLO WORLD！
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接着上一节，我们已经建立好了data set和member，现在开始写一个最简单的COBOL程序，打印出hello world
Command ===> 下面打上I8，意思是插入8行，当然，I1就是插入一行。
File Edit Edit_Settings Menu Utilities Compilers Test Help sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss EDIT KOK.COBOL.LIB(HELLOW) - 01.00 Columns 00001 00072 Command ===> Scroll ===> PAGE **i8** ***************************** Top of Data ****************************** ****** **************************** Bottom of Data ****************************打上cols为了现实出列号，COBOL程序的写法是有区域的
File Edit Edit_Settings Menu Utilities Compilers Test Help sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss EDIT KOK.COBOL.LIB(HELLOW) - 01.00 Columns 00001 00072 Command ===> Scroll ===> PAGE ****** ***************************** Top of Data ****************************** 'cols' '''''' '''''' '''''' '''''' '''''' '''''' '''''' ****** **************************** Bottom of Data **************************** F1=Help F2=Split F3=Exit F5=Rfind F6=Rchange F7=Up F8=Down F9=Swap F10=Left F11=Right F12=Cancel按下回车后，在插入几行，你就可以看到下面的样子。
File Edit Edit_Settings Menu Utilities Compilers Test Help sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss EDIT KOK.COBOL.LIB(HELLOW) - 01.00 Columns 00001 00072 Command ===> Scroll ===> PAGE ****** ***************************** Top of Data ****************************** =COLS> ----+----1----+----2----+----3----+----4----+----5----+----6----+----7-- '''''' '''''' '''''' '''''' '''''' '''''' '''''' '''''' '''''' ****** **************************** Bottom of Data **************************** F1=Help F2=Split F3=Exit F5=Rfind F6=Rchange F7=Up F8=Down F9=Swap F10=Left F11=Right F12=Cancel下面COPY程序里的代码
File Edit Edit_Settings Menu Utilities Compilers Test Help sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss EDIT KOK.COBOL.LIB(HELLOW) - 01.00 Columns 00001 00072 Command ===> Scroll ===> PAGE ****** ***************************** Top of Data ****************************** =COLS> ----+----1----+----2----+----3----+----4----+----5----+----6----+----7-- 000100 IDENTIFICATION DIVISION. 000200 PROGRAM-ID. HELLOW. 000300 ENVIRONMENT DIVISION. 000800 DATA DIVISION. 000900 PROCEDURE DIVISION. 001000 DISPLAY 'HELLO WORLD!!!'. 001100 STOP RUN. ****** **************************** Bottom of Data **************************** F1=Help F2=Split F3=Exit F5=Rfind F6=Rchange F7=Up F8=Down F9=Swap F10=Left F11=Right F12=Cancel然后用第一节讲的方法建立一个名为KOK.JCL.LIB的DATA SET，在创建一个名为@HELLOW的member。
因为要生成module，所以需要建立一个Record format为U的DATA SET存放
Menu Utilities Compilers Options Status Help ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss ISPF Primary Option Menu Option ===> 3.2 0 Settings Terminal and user parameters User ID . : KOK 1 View Display source data or listings Time. . . : 14:47 2 Edit Create or change source data Terminal. : 3278 3 Utilities Perform utility functions Screen. . : 1 4 Foreground Interactive language processing Language. : ENGLISH 5 Batch Submit job for language processing Appl ID . : ISP 6 Command Enter TSO or Workstation commands TSO logon : SYSUSER 7 Dialog Test Perform dialog testing TSO prefix: KOK 9 IBM Products IBM program development products System ID : ADCD 10 SCLM SW Configuration Library Manager MVS acct. : 12345678 11 Workplace ISPF Object/Action Workplace Release . : ISPF 5.6 S SDSF SDSF Panels D DB2 DB2 Product, SPUFI and DB2 Commands A DB2ADM DB2 Administration Tools M More Additional IBM Products Enter X to Terminate using log/list defaults F1=Help F2=Split F3=Exit F7=Backward F8=Forward F9=Swap F10=Actions F12=CancelMenu RefList Utilities Help ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Data Set Utility Option ===> A A Allocate new data set C Catalog data set R Rename entire data set U Uncatalog data set D Delete entire data set S Short data set information blank Data set information V VSAM Utilities ISPF Library: Project . . KOK Enter "/" to select option Group . . . LOAD / Confirm Data Set Delete Type . . . . LIB Other Partitioned, Sequential or VSAM Data Set: Data Set Name . . . Volume Serial . . . (If not cataloged, required for option "C") Data Set Password . . (If password protected) F1=Help F2=Split F3=Exit F7=Backward F8=Forward F9=Swap F10=Actions F12=CancelMenu RefList Utilities Help ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Allocate New Data Set Command ===> More: + Data Set Name . . . : KOK.LOAD.LIB Management class . . . (Blank for default management class) Storage class . . . . (Blank for default storage class) Volume serial . . . . (Blank for system default volume) ** Device type . . . . . (Generic unit or device address) ** Data class . . . . . . (Blank for default data class) Space units . . . . . (BLKS, TRKS, CYLS, KB, MB, BYTES or RECORDS) Average record unit (M, K, or U) Primary quantity . . 10 (In above units) Secondary quantity 10 (In above units) Directory blocks . . 5 (Zero for sequential data set) * Record format . . . . U Record length . . . . 80 Block size . . . . . 8000 Data set name type : (LIBRARY, HFS, PDS, or blank) * F1=Help F2=Split F3=Exit F7=Backward F8=Forward F9=Swap F10=Actions F12=Cancelcopy如下JCL代码
File Edit Edit_Settings Menu Utilities Compilers Test Help sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss EDIT KOK.JCL.LIB(@HELLOW) - 01.00 Columns 00001 00072 Command ===> Scroll ===> PAGE ****** ***************************** Top of Data ****************************** 000100 //KOKHEL1 JOB CLASS=A,MSGCLASS=H,MSGLEVEL=(1,1), 000200 // NOTIFY=&SYSUID 000300 //STEP010 EXEC PROC=IGYWCL 000500 //COBOL.SYSIN DD DSN=KOK.COBOL.LIB(HELLOW),DISP=SHR 000600 //LKED.SYSLMOD DD DSN=KOK.LOAD.LIB(HELLOW),DISP=SHR 000700 //STEP020 EXEC PGM=HELLOW 000800 //STEPLIB DD DSN=KOK.LOAD.LIB(HELLOW),DISP=SHR 000900 //SYSOUT DD SYSOUT=* 001000 // ****** **************************** Bottom of Data **************************** F1=Help F2=Split F3=Exit F5=Rfind F6=Rchange F7=Up F8=Down F9=Swap F10=Left F11=Right F12=CancelCommand ===> sub 提交，返回MAXCC=0，ok！
File Edit Edit_Settings Menu Utilities Compilers Test Help sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss EDIT KOK.JCL.LIB(@HELLOW) - 01.00 Columns 00001 00072 Command ===> sub Scroll ===> PAGE ****** ***************************** Top of Data ****************************** 000100 //KOKHEL1 JOB CLASS=A,MSGCLASS=H,MSGLEVEL=(1,1), 000200 // NOTIFY=&SYSUID 000300 //STEP010 EXEC PROC=IGYWCL 000500 //COBOL.SYSIN DD DSN=KOK.COBOL.LIB(HELLOW),DISP=SHR 000600 //LKED.SYSLMOD DD DSN=KOK.LOAD.LIB(HELLOW),DISP=SHR 000700 //STEP020 EXEC PGM=HELLOW 000800 //STEPLIB DD DSN=KOK.LOAD.LIB(HELLOW),DISP=SHR 000900 //SYSOUT DD SYSOUT=* 001000 // ****** **************************** Bottom of Data **************************** F1=Help F2=Split F3=Exit F5=Rfind F6=Rchange F7=Up F8=Down F9=Swap F10=Left F11=Right F12=Cancel用TSO SDSF H去查看LOG
File Edit Edit_Settings Menu Utilities Compilers Test Help sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss EDIT KOK.JCL.LIB(@HELLOW) - 01.00 Columns 00001 00072 Command ===> tso sdsf h Scroll ===> PAGE ****** ***************************** Top of Data ****************************** 000100 //KOKHEL1 JOB CLASS=A,MSGCLASS=H,MSGLEVEL=(1,1), 000200 // NOTIFY=&SYSUID 000300 //STEP010 EXEC PROC=IGYWCL 000500 //COBOL.SYSIN DD DSN=KOK.COBOL.LIB(HELLOW),DISP=SHR 000600 //LKED.SYSLMOD DD DSN=KOK.LOAD.LIB(HELLOW),DISP=SHR 000700 //STEP020 EXEC PGM=HELLOW 000800 //STEPLIB DD DSN=KOK.LOAD.LIB(HELLOW),DISP=SHR 000900 //SYSOUT DD SYSOUT=* 001000 // ****** **************************** Bottom of Data **************************** F1=Help F2=Split F3=Exit F5=Rfind F6=Rchange F7=Up F8=Down F9=Swap F10=Left F11=Right F12=CancelJOBNAME前打上一个"?"
SDSF HELD OUTPUT DISPLAY ALL CLASSES LINES 857 LINE 1-3 (3) COMMAND INPUT ===> SCROLL ===> PAGE NP JOBNAME JobID Owner Prty C ODisp Dest Tot-Rec Tot- KOKHEL1 JOB07225 KOK 144 H HOLD LOCAL 99 KOKHEL1 JOB07226 KOK 144 H HOLD LOCAL 379 ? KOKHEL1 JOB07227 KOK 144 H HOLD LOCAL 379sysout前打"S"查看log
SDSF JOB DATA SET DISPLAY - JOB KOKHEL1 (JOB07227) LINE 1-6 (6) COMMAND INPUT ===> SCROLL ===> PAGE NP DDNAME StepName ProcStep DSID Owner C Dest Rec-Cnt Page JESMSGLG JES2 2 KOK H LOCAL 17 JESJCL JES2 3 KOK H LOCAL 71 JESYSMSG JES2 4 KOK H LOCAL 83 SYSPRINT STEP010 COBOL 101 KOK H LOCAL 81 SYSPRINT STEP010 LKED 102 KOK H LOCAL 126 s SYSOUT STEP020 103 KOK H LOCAL 1可以看到结果了
SDSF OUTPUT DISPLAY KOKHEL1 JOB07227 DSID 103 LINE 0 COLUMNS 02- 81 COMMAND INPUT ===> SCROLL ===> PAGE ********************************* TOP OF DATA ********************************** HELLO WORLD!!! ******************************** BOTTOM OF DATA ********************************