Fine Beautiful Info About How To Check An Empty File In Jcl

How to check whether a file is empty or not thru jcl.

How to check an empty file in jcl. Icetool sets rc=8 (because the rc8 operand is specified) if the in data set is empty, or rc=0 if the in data set is not empty. There may be scenarios where you wish to check if a file is empty or not. Count from(indd) empty /* if the file is empty , it will set rc=12 with idcams //indd dd dsn=input file,disp=shr //outdd dd dsn=output file,disp=shr //sysin dd * repro infile(indd).

Based on that you can bypass your step no 3. If you have an input file and after successfully reading the data your requirement is to empty the file you can do this within your cobol program that reads the file. By using idcams utility we can check whether.

To open a file that has never contained records (an empty file), use a form of the open statement. How i could code a job to check to see if a file exists. Jcl, by itself, cannot determine if a dataset is empty. the term empty has several possible meanings.

Introduce a idcam step to check the file, if it empty then idcam step will return 4. Yes, you can use idcams. Which we can make use to check whether a file is empty.

Print infile (dd1) count (1) /*. It return's an return code 4 if it's empty. //in dd dsn=ums.d44201.jcl(dummy), // disp=shr //toolin dd * * set rc = 12 if the 'in' data set is empty, or * set rc = 00 if the 'in' data set is not empty count from(in) empty /* // if.

I tried to use the same jcl to print a sequential dataset and my job ran fine. Hi, you can do this by using cond parameter. There is a pgm pgm1 which write to an output file out.file.

I have many files which i am receiving from client everyday. The below piece of code will determine whether the input sequential data set is empty or not. One example for such situation is you are sending a report to client if there.

First_char = my_file.read(1) # get the first character. How to check an empty file in jcl. My_file.seek(0) # ensure you're at the start of the file.

Icetool only reads one record to determine if. I have one step for every file to check for empty or not. Depending on the type of file that you are opening, use one of the following.

Print file is empty # the first. If it does, i want to copy it to a new file. Print parameter, will return 4 if no records in file.