The text appears fine, but some of the fields are packed decimals, which when unpacked give bad values. Sas formats that correspond to cobol data descriptions many formats are available in base sas for writing out values that can be read by cobol applications. For example, pic s95 packeddecimal represents five digits. It has the advantage that it doesnt take up any additional memory. You need cobolvariables corresponding to each of these vendrseg fields that will store or hold the data in the cobolprogram, when it received from the ims vendor segment. As the fields are read in, some of the unpacked results read out to the equivalent of hex values 00 or 1a, and therefore my data step thinks it.
Converting cobol pic to sas informats picture s905v99 comp3 picture s911v99 comp3. Hi guys, im currently working on something which requires me to move an unpacked numeric to a packed numeric variable in a copybook. This format is most efficient when you code an odd number of digits in the picture description, so that the leftmost byte is fully used. I have a text file from a programmer with the cobol logic statements to perform some ratio calculations. Im getting files transferred from an as400 to our windows sbs 2003 via ftp. Bash, cmd and jcl job scripts are provided to prepare the environment and execute the programs. Movement of x19 to comp3 packed decimal by gurvinder23. Your cobol definitions have no packed decimal fields. Unpacking as400 packed decimal bcd possibly borked by. A packeddecimal field does not need to be an oddnumber of digits. When it is an evennumber of digits, the compiler generates code to ensure that the leftmost halfbyte is always zero. If you want a comma that is displayed use a picclause like 99.
Team and business lost the cobol copy book but with the help copybook only talend can able to create there own that case 1 i have my abinitio dml. In other words, the cobol compiler substitutes the copybook code in your cobol program. Registering a cobol data file that uses a cobol copybook. The v in 99v99 is just an invisible decimalpoint that sets the correct alignment for any fixedpointoperations. Packeddecimal items occupy 1 byte of storage for every two decimal digits you code in the picture description, except that the rightmost byte contains only one digit and the sign. Sas provides a free program called cob2sas that takes a cobol file descriptor fd as its input and creates sas input and label statements. Viewed it through file aid along with input files copy book questions. For all but the byte containing the sign, the highorder nibble is. I need to build a program in sas to do the same thing.
While i understand some of the cobol logic, i need some examples to show me the equivalent statment in sas code. This is an overview of the numeric, packeddecimal format also referred to as a packed data, packed numeric or comp3 field used on ibm mainframe systems in an ebcdic environment. Once you have all the records stored in your table, you can look at each item in sequence, paying attention only to the first two bytes of each entry, identify the entry by the recordtype and move the entry to the appropriate 01 for. Here, is the cobol copybooka separate mainframe file containing the cobol variables corresponding these vendrseg. Cobol copybook expansion tool xp in rexx mainframes 360. You want to create metadata for a cobol data file that uses column definitions from a cobol copybook. Comparison of packdecimal field comp3 please check and make sure i corrected the post properly. A jcl member is provided to run the job as an mvs batch job on an ibm mainframe or as a project with micro focus. A cobol picture clause is used for data description. Moving unpacked numeric to packed numeric cobol general. Cobol copybook types that map to java data types ibm. Help with decimal host variable or parameter contains. It also reads files already converted from ebcdic to ascii.
Col 2 and 4 are definitions of binary numbers rather than packed decimal numbers. I am new to to cobol programming and i dont have the idea how to round numbers yet our professor gave this problem. These levels tell the cobol compiler how to associate, or group, fields in. For zoned decimal and packeddecimal items, the numeric class test is affected by the numproc compiler option and the numcls option which is set at. By the way, a 5byte field capable of containing a 9digit packed decimal value has a 0.
Looking back at a copybook you showed previously, it had an 01 on it. For example01 samplerec 05 sample1 pic x100 05 filler pic x50 value spaces. The internal representation of packeddecimal numbers always allows for an odd number of digits. A field that holds a sixdigit gregorian date, for example, can be declared as pic s96 comp3. I want to convert numeric string 12345 10 byte into packed decimal format in one cobol program, and in another cobol program same packed decimal value converted back to string 12345 10 byte i tried with below logic converting string to packed. Cobol compressed packed decimal conversion sas support. String to decimal conversion in cobol i would like to know in cobol how we can move a string variable value 1199. When all the targets of your computes are 94v9, without rounding, they will contain 0. The field wsnumx is pic x5 due to it being the group level of the. The cobol picture and usage are used to determine the data type and the corresponding sas informat. These statements can be used to read a file and create a sas data set.
If you took up the c programming course as one of your subjects, while you were in college, its easy to realise cobol copybooks work just like include header files statement in c. What the cobol compiler would do is expand this copybook inline. Currently im facing some problem with the decimal packed field comp3 in micro focus cobol. In record layout mention last fifty char filler with spaces. The advantage of cobol2j is that it reads data types like. The table dlitypeinfo constants and java data types based on the picture clause describes the type. I need your help in handling cobol copy book occurs below is the element from my cc book. Computational3 fields packeddecimal format are often defined as having an odd number of digits even if the field will not be used to hold a number of that magnitude. And when all the targets of your computes are 94v99, they will contain 0. A pic 906v99 statement with comp or comp4 is used for binary decimal data for binary data items, the dlitypeinfo constant and java type depend on the number of digits in the picture clause.
They look like comp3, but they are leftpadded with 0x20 blank bytes instead of. Perform the following steps to copy column metadata from the cobol format file in the column definitions page of an external file wizard. Flat file from mainframe cobol programs with copybook to xml conversion author. We need to migrate files to windows, for this purpose, the packed decimal fields needs to be unpacked. Unpacking comp3, generically cobol general discussion. If all is well, ill delete our last couple of posts. I want to unpack above packed decimal data before writing in to my output file. Levels and groups cobol layouts have levels, from level 01 to level 49. A zoned decimal representation stores a decimal digit in the low order nibble of each byte. A program is a set of instructions that enables a computer to process data, there are two types of computer programs which are 1 operating system programs, which control the overall operation of the system and 2 applications programs, it is the actuall program tasks requried by the users.
A cobol field definition does not need to be entirely on one line. Please suggest how to handle below scenario in cobol. I would appreciate any link you can give me to documentation or a tutorial. Often you will find packeddecimal fields which logically should contain an evennumber of digits having an oddnumber of digits, to avoid the generation of. Unpacking comp3, generically webrabbit mis 17 jul 09 11. I have 2 variables as given below in my input file. Im not sure if there is a function for rounding up numbers in cobol, there might be one in the new version thats coming out ver 4. Cobol numeric formats, convert numeric formats using cobol.
Im importing a file from cobol into sas and am encountering a problem with two packed decimal fields in the conversion. This test case will describe and demonstrate the processing techniques for numeric values. We pass this to commarea as a string and then we need to move it to the integer. The exact numeric data types decimal and numeric can hold values up to a driverspecified precision and scale. They are declared in cobol as comp3, packeddecimal or as numeric usage display. I am looking to code a generic cobol program which can be used to unpack compcomp 3 fields to corresponding length noncomp field. Input a number with decimal point and display the result using the rounded number. For the packed decimal representation listed above, x indicates the number of digits represented, and w is the number of bytes. The description and discussion includes the format both content and size for packed decimal running in an ascii or nonmainframe environment such as linux, unix or windows.
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