5.18 HETUPD (
Update and/or copy an AWS or HET tape file)

5.18.1 Function

The HETUPD utility updates and/or copies emulated tape files.

5.18.2 Syntax

Descriptive

HETUPD [-option [-option ... ]] source [destination]

Diagram

Êʬ¬¬ HETUPD ¬¬¬§¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬§¬¬¬ source ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬Ê

-option ¬¬¬¨¬¬¬¯

ʬ¬¬§¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬§¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ÊÍ

¬¬¬ destination ¬¬¬¯

5.18.3 Parameter

options:

-1 … -9

Compression level (1=compress fast, 9=compress best).

b

Use bzlib compression.

-c n

Set chunk size to ‘n’.

-d

Decompress source tape file.

-h

Display usage summary (help text).

-r

Rechunk tape file.

-s

Strict AWSTAPE specification (chunksize=4096, no compression).

-v

Verbose information (display usage summary).

-z

Use zlib compression.

arguments:

source

Name (and optionally path) of the source tape file.

destination

Name (and optionally path) of the destination tape file.

5.18.4 Examples

Example 1:

Create an AWSTAPE file from an existing HET tape file.

HETUPD -s D:/MVS/TAPE/T001002.HET D:/MVS/TAPE/T001002.AWS

Example 2:

Change the compression level to 2 with BZLIB compression and create a new HET tape file.

HETUPD -2 -b D:/MVS/TAPE/TLEV009.HET D:/MVS/TAPE/TLEV002.HET

5.18.5 Sample Utility Output

Sample 1:

Change the compression level to 4 (best match between speed and compression rate) and create a new
HET tape file.

D:\HERCULES>hetupd -4 D:/MVS/TAPE/T38321A.HET D:/MVS/TAPE/T38321B.HET

Hercules HET copy/update program Version 3.05

(c)Copyright 1999-2005 by Roger Bowler, Jan Jaeger, and others

Figure 52: HETUPD utility output