Argox PA-20 Basic Programming Manual Manual de usuario Pagina 114

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PT-Basic Programming Manual Ver. 1.00 113/143
A15. File manipulation commands
Command
description
OPENIN
To open (r) a file and get the header of the file for
further processing.
OPENOUT
To open (w+) a file and get the header of the file
for further processing.
OPENUP
To open (r+) a file and get the header of the file for
further processing.
CLOSE
To close a file.
BGET
To read a byte from a file.The current position is
updated after reading.
BGETEXT
To read a specified number of bytes from a file.
The current position is updated after reading.
GET$
Read a line terminated by a null character “\0”
from a file.
BPUT
To write data to a file.
EOF
To check if file pointer of a file reaches end of file.
PTR
To get or move the file pointer position of a file.
EXT
To get or change file length of a file.
GET_FILE_ERROR
To get the file error code.
DBMS_INIT_SEARCH
To initiate the file search in disk.
DBMS_INIT_SEARCHADV
To initiate the advance file search in disk.
DBMS_CLOSE_SEARCH
To close the file search in disk.
DBMS_APPEND_DATA
To increase one record on the file end.
DBMS_DEL_DATA
To delete the appointed record in the file.
DBMS_EMPTY
To remove all the record in the file.
DBMS_FIND_RECORD
To search the designated field. This command only
supports forward search.
DBMS_FIND_RECORD_B
To search the designated field. This command only
supports backward search.
DBMS_GET_COUNT
To obtain the figure of all records in the file.
DBMS_GET_DATA$
To read the data of appointed field in the appointed
record.
DBMS_UPDATE_DATA
To revise the data of appointed field in appointed
field record.
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