File Media Types

File Media	Description
Printer	A line sequential file. Each line is delimited with return characters. Only Printer work files appear in Print Manager.
Sequential	A flat file with fixed-length records. Records are not delimited with return characters.
Index Seq	Indexed Sequential Access Method (ISAM) file. The program can read and write records sequentially or based on a user-defined index.
Random	Random access file. The program can read and write records sequentially or based on a relative record number.
Ext Seq	A flat file with fixed length records. All numeric fields are redefined as alphanumeric, with an extra trailing character for sign. Decimal fields are not compressed. Use this file type to import data from an export file; for example, reading a file built by a desktop spreadsheet program.
Tape	A line sequential file, with return character delimited, variable-length records. Note: A work file with media type Tape is written to or read from a disk; it is not directly written to or read from a tape. The file is formatted for future transfer to tape.
CSV	A CSV file (comma-separated value). Press Define (F6) to view the attributes of the CSV file.

Printer

A line sequential file. Each line is delimited with return characters. Only Printer work files appear in Print Manager.

Sequential

A flat file with fixed-length records. Records are not delimited with return characters.

Index Seq

Indexed Sequential Access Method (ISAM) file. The program can read and write records sequentially or based on a user-defined index.

Random

Random access file. The program can read and write records sequentially or based on a relative record number.

Ext Seq

A flat file with fixed length records.

All numeric fields are redefined as alphanumeric, with an extra trailing character for sign. Decimal fields are not compressed.

Use this file type to import data from an export file; for example, reading a file built by a desktop spreadsheet program.

Tape

A line sequential file, with return character delimited, variable-length records.

Note: A work file with media type Tape is written to or read from a disk; it is not directly written to or read from a tape. The file is formatted for future transfer to tape.

CSV

A CSV file (comma-separated value). Press Define (F6) to view the attributes of the CSV file.