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MPE/iX BUILD command parameters can be used to modify the default
file building parameters for files transferred to an MPE/iX system.
When no BUILD command parameters are specified with the target MPE/iX
file designation, the MPE/iX FTP server builds the file with the
following defaults depending on the transfer mode used:
For ASCII file transfers:
;REC=-80,,F,ASCII;DISC=204800
which translates to a file with 80 byte fixed length ASCII
records. The maximum number of records the file can contain is 204,800.
For binary file transfers:
;REC=-256,,F,BINARY;DISC=204800
which translates to a file with fixed length binary records,
with a maximum record size of 256 bytes. The maximum number of records
the file can contain is 204,800.
For bytestream file transfers:
;REC=,,B;DISC=16384000
which translates to a file with byte length records, with a maximum record size
of 1 byte. The default number of records is 16,384,000.
An MPE/iX FTP user can change how a file is copied from a remote system to
MPE/iX by using the MPE/iX BUILD command parameters with the GET
command using the following syntax:
ftp> GET remotefile localfile;buildparms
For a remote user (accessing the MPE/iX FTP server), you can
save a file on MPE/iX using the following syntax with the PUT command:
ftp> PUT localfile remotefile;buildparms
Syntax
The supported BUILD command parameters are:
;REC=[-rcsizebytes][,blkfactor[,[{F}][,{BINARY}]]]]
{V} {ASCII}
{B}
[;DEV=device]
[;CODE=filecode]
[;DISC=[numrec][,[numextents][,[initialloc]]]]
Parameters
- REC=-recsizeinbytes
A negative value indicates record size in bytes. A positive integer
value indicates record size in words (two bytes per word). If
DEV= is not specified, the default record size is 128
words.
- blkfactor
The default blkfactor size is one. When creating variable
length files, include the 1 in the parameter string to maintain the
record size specified in the parameter REC=.
- F, V, B
Indicates fixed (F), variable (V), byte
(B), length records. The default is fixed (F).
- BINARY
ASCII
Indicates the type of records the file contains: BINARY for
binary coded records or ASCII for ASCII coded records.
BINARY is the default.
- DEV=device
Specifies where the file will be stored. The default
is to a disk file.
- CODE=filecode
A code indicating a specially formatted file. Example:
CODE=PROG. Default is none.
- DISC=numrec
The value that affects file transfer success is numrec. This
value sets the maximum number of records the file can contain. Must be
large enough for the target file or the file transfer will fail. The
default is 1,023 records.
When you specify BUILD parameters in an FTP transfer, you do not have
to specify the MPE/iX file type standard (STD) since it is the default. Note
that STD is the only supported MPE/iX file type.
For more information about BUILD parameters, use MPE/iX online help
(HELP BUILD PARMS), or see the MPE/iX Commands Reference
Manual.
The first example shows an MPE/iX user transferring a file from the remote
system to an MPE/iX system using only the CODE=PROG parameter:
ftp> GET filex file2;CODE=PROG
The file is created with the BUILD command defaults: fixed binary, 128
word records, with a maximum number of records equal to 1,023.
The second example shows an MPE/iX user transferring a group
of binary files from the remote system to an MPE/iX system:
FTP> BINARY
200 Type set to l.
ftp> MGET P* ;CODE=PROG
All files in the set beginning with letter "P" are created with the following
attributes: file code label PROG, fixed binary, 128 word records, and
a maximum number of records equal to 1,023. The blank space preceding the
semicolon is required.
The third example shows a remote user transferring a file from their system to
an MPE/iX system using BUILD parameters as follows:
ftp> PUT myfile MPEFILE;Rec=-256,1,F,BINARY;DISC=11000;CODE=PROG
An MPE/iX fixed binary file named MPEFILE is created with records of
256 bytes, with a maximum record size of 11,000. The file code label
is PROG.
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