I/O

I/O

isCOBOL offers some additional features for I/O on files and databases. With isCOBOL, programmers can take advantage of:

• Native support for embedded SQL syntax; no precompilers are needed.

EXEC SQL

SELECT COUNT (*) INTO :rec-count FROM TABLE1

END-EXEC.

• National items are supported; data is stored using UTF-16 Big Endian encoding.

77 MY-VAR PIC N(10).

• The ability to interact with databases while maintaining standard COBOL statements (see isCOBOL Evolve: Database Bridge for details).

• The ability to associate sequential files with the standard input, output and error.

SELECT stdin ASSIGN TO "-S IN"

ORGANIZATION LINE SEQUENTIAL.

SELECT stdout ASSIGN TO "-S OUT"

ORGANIZATION LINE SEQUENTIAL.

SELECT stderr ASSIGN TO "-S ERR"

ORGANIZATION LINE SEQUENTIAL.

• The ability to create PDFs or previews of print files.

SELECT pdf-file ASSIGN TO PRINT "-P PDF /usr/docs/print.pdf"

ORGANIZATION LINE SEQUENTIAL.

SELECT ptr-prev ASSIGN TO PRINT "-P PREVIEW"

ORGANIZATION LINE SEQUENTIAL.