App - 4 App - 4
MELSEC-Q
APPENDIX
Appendix 1.4 Wild Cards
Use wild cards in order to select multiple files at the same time when displaying or
deleting file names in a memory card, FD, or HD. Wild cards are only valid for file
names.
A wild card indicates that any character is acceptable at the place it is specified. There
are two types of wild card, asterisk ( ) and question mark (?).
• Asterisk ( )
An asterisk indicates that any character can occupy the place where it is specified.
Specification example
Description
A .
Represent all files whose file name begins from A.
.BAS
Represent all files whose file extension is BAS.
.
Represent all files within the specified system name.
Any character specified after an asterisk ( ) in a file name or extension will be disregarded.
Z.
Regarded as .
. 1 Regarded as .
• Question mark (?)
A question mark indicates that any file name is acceptable as long as there is one
character where it is specified.
Specification example
Description
???123.BAS
Represent all files whose file name’s 4th through 6th
characters are 123 and extension is BAS.
TEXT?.
Represent all files whose file name starts with TEXT,
followed by any one character.
REMARK
The name wild card is said to come from the fact that and ? have the same effect
as the joker in a deck of cards.
