The Display Save Tape command is a simple front end to the DSPTAP
command. It defaults to display *SAVRST labels and device TAP01.
This avoids a typical error where the DATATYPE parameter is defaulted
on DSPTAP and the error is not discovered until after the tape label
A typical command would be entered as:
This would display the first label in save/restore format on the
You can also display a single library (label) from TAP01 by
On most tape devices this will correctly position the tape to the
label and then cause the DSPTAP command to be run from that position.
However, 1/4 inch cartridge devices do not provide for back space and
cannot provide an efficient solution. The correct label is
displayed, but the tape must be processed twice.
Command parameters *CMD
DEV The device name. The default is TAP01.
LABEL The label (library) to be displayed. The default is
VOL The tape volume to be displayed. *MOUNTED is the
default to mean the volume that is currently on the
A specific volume ID may be entered.
If the device specified is a media library device,
then the volume specified should be the cartridge
identifier to be mounted and used.
SEQNBR The sequence number to be displayed. In general,
you would do the following:
1) To display all or the first file, take the
defaults for both LABEL and SEQNBR.
2) To display a specific label (library), specify
LABEL(xxx) and take the default for SEQNBR.
3) To display a specific sequence number, take the
default for LABEL and specify the sequence number.
The default for SEQNBR is *DFT which means that the
LABEL parameter is evaluated. If LABEL(*ALL) is
specified, the default acts as SEQNBR(1). If
LABEL(xxx) is specified, the default acts as
A number value (such as 2) means to display the file
at the specified sequence number.
*SEARCH may be specified in conjunction with a label
name to cause the tape to be read until the label is
On most tape devices, *SEARCH is an efficient
technique. However, 1/4 inch cartridge devices do
not provide for 'back space' and cannot provide an
efficient solution. The correct label is displayed,
but the tape must be processed twice.
If both a label and a sequence number are specified,
the label must exist at the file sequence number or
an error will occur.
DATATYPE The data type of the label. The default is *SAVRST.
*LABELS may also be specified.
OUTPUT The type of output. This is the normal output
parameter with a default of *. *PRINT may be
The following TAA Tools must be on your system:
SNDCOMPMSG Send completion message
None, the tool is ready to use.
Objects used by the tool
Object Type Attribute Src member Src file
------ ---- --------- ---------- ----------
DSPSAVTAP *CMD TAASAVM QATTCMD
TAASAVMC *PGM CLP TAASAVMC QATTCL