Create csvlib.cbl

cobol/csvlib.cbl

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+       IDENTIFICATION DIVISION.
+       PROGRAM-ID. CSV-LIB.
+
+       DATA DIVISION.
+       WORKING-STORAGE SECTION.
+       01 WS-COLUMN-COUNT      PIC 9(3) VALUE 0.
+       01 WS-TOKEN             PIC X(256).
+       01 WS-TOKEN-LEN         PIC 9(3).
+
+       LINKAGE SECTION.
+       01 LS-INPUT-LINE        PIC X(1024).
+       01 LS-FIELD-ARRAY REDEFINES LS-INPUT-LINE.
+           02 LS-FIELDS OCCURS 20 TIMES PIC X(100).
+
+       PROCEDURE DIVISION USING LS-INPUT-LINE.
+       PARSE-CSV-LINE.
+           UNSTRING LS-INPUT-LINE DELIMITED BY "," INTO LS-FIELDS
+               TALLYING IN WS-COLUMN-COUNT
+           END-UNSTRING.
+           GOBACK.