Answer / guest

255 is the highest value a byte could have. So 255 decimal
is "FF" in hexa.
Internal routins for accessing and handling Datasets,
written by IBM, are using ContolBlocks.
Some contents are stored in only one byte. And so, the
highest value could only be 255.

I have many files which i am receiving from client everyday. I have one step for every file to check for empty or not. Here client gives 30 files i need to check for every file for empty or not and i need to perform 30 steps. Can I do it in single step. Dynamically i need to change the File name in my step.

0 Answers  

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Is there GOTO and SWITCH-CASE available in JCL ? Is IF-THEN-ELSE available in JCL also just like it is available for VSAM datasets under Model Commands category ?

1 Answers   IBM,

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i want to store 20 digits . how will u do it in cobol ?

0 Answers  

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What dd statement is used to supply the name of a dataset?

0 Answers  

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What does the TIME parameter signify ? What does TIME=1440 mean ?

6 Answers   Accenture, TCS,

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Can a temporary dataset be converted to permanent dataset and vice-versa in the middle of a job ?

4 Answers   IBM,

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What is a GDG? Why do we go for a GDG ? utility used to create GDG?

3 Answers   Xansa,

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Is there a way to check for an empty file in JCL other than using IEBCOMPR and the command PRINT COUNT(1)?

8 Answers  

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How do you handle empty files in a JCL ?

3 Answers   Wipro, Xansa,

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If i have defined an temperory dataset in step2, how can i call back or use the same dataset in step5 of the same job

4 Answers   UST,

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If I defined space as TRK(10,10) for the one file and lrecl = 4K then tell me how many record will vsam file will contain. will it 1,2,3,4,5 or how many,

3 Answers   IBM,

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how can u identify the db2 from jcl ?

2 Answers   TCS,

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