Difference between revisions of "F$FILE ATTRIBUTES()"

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(Created page with "'''F$FILE_ATTRIBUTES()''' is a lexical function that returns attribute information for a specified file. =Format= F$FILE_ATTRIBUTES (filespec,item) ==...")
 
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! Item !! Return type !! Information required
 
! Item !! Return type !! Information required
 
|-
 
|-
−
| AI || String || TRUE if after-image (AI) journaling is enabled; FALSE if disabled.
+
| AI || style="text-align:center;" | String || TRUE if after-image (AI) journaling is enabled; FALSE if disabled.
 
|-
 
|-
−
| ALQ || Integer || Allocation quantity.
+
| ALQ || style="text-align:center;" | Integer || Allocation quantity.
 
|-
 
|-
−
| BDT || String || [[Backup]] date/time.
+
| BDT || style="text-align:center;" | String || [[Backup]] date/time.
 
|-
 
|-
−
| BI || String || TRUE if before-image (BI) journaling is enabled; FALSE if disabled.
+
| BI || style="text-align:center;" | String || TRUE if before-image (BI) journaling is enabled; FALSE if disabled.
 
|-
 
|-
−
| BKS || Integer || Bucket size.
+
| BKS || style="text-align:center;" | Integer || Bucket size.
 
|-
 
|-
−
| BLS || Integer || Block size.
+
| BLS || style="text-align:center;" | Integer || Block size.
 
|-
 
|-
−
| CBT || String || TRUE if contiguous-best-try; otherwise FALSE.
+
| CBT || style="text-align:center;" | String || TRUE if contiguous-best-try; otherwise FALSE.
 
|-
 
|-
−
| CDT || String || Creation date/time.
+
| CDT || style="text-align:center;" | String || [[Creation Date|Creation date/time]].
 
|-
 
|-
−
| CTG || String || TRUE if contiguous; otherwise FALSE.
+
| CTG || style="text-align:center;" | String || TRUE if contiguous; otherwise FALSE.
 
|-
 
|-
−
| DEQ || Integer || Default extension quantity.
+
| DEQ || style="text-align:center;" | Integer || Default extension quantity.
 
|-
 
|-
−
| DID || String || Directory ID string.
+
| DID || style="text-align:center;" | String || Directory ID string.
 
|-
 
|-
−
| DIRECTORY || String || Returns TRUE or FALSE. Returns TRUE if it is a directory.
+
| DIRECTORY || style="text-align:center;" | String || Returns TRUE or FALSE. Returns TRUE if it is a directory.
 
|-
 
|-
−
| DVI || String || [[Device name]] string.
+
| DVI || style="text-align:center;" | String || [[Device name]] string.
 
|-
 
|-
−
| EDT || String || Expiration date/time.
+
| EDT || style="text-align:center;" | String || Expiration date/time.
 
|-
 
|-
−
| EOF || Integer || Number of blocks used.
+
| EOF || style="text-align:center;" | Integer || Number of blocks used.
 
|-
 
|-
−
| ERASE || String || TRUE if a file's contents are erased before a file is deleted; otherwise FALSE.
+
| ERASE || style="text-align:center;" | String || TRUE if a file's contents are erased before a file is deleted; otherwise FALSE.
 
|-
 
|-
−
| FFB || Integer || First free byte.
+
| FFB || style="text-align:center;" | Integer || First free byte.
 
|-
 
|-
−
| FID || String || File ID string.
+
| FID || style="text-align:center;" | String || File ID string.
 
|-
 
|-
−
| FILE_LENGTH_HINT || String || Record count and data byte count in the form (
+
| FILE_LENGTH_HINT || style="text-align:center;" | String || Record count and data byte count in the form (
 
|-
 
|-
−
| FSZ || Integer || Fixed control area size.
+
| FSZ || style="text-align:center;" | Integer || Fixed control area size.
 
|-
 
|-
−
| GBC || Integer || Global buffer count.
+
| GBC || style="text-align:center;" | Integer || Global buffer count.
 
|-
 
|-
−
| GBC32 || Integer || Enhanced longword version of global buffer count with a per-file maximum size of about 2.1 billion for indexed files.
+
| GBC32 || style="text-align:center;" | Integer || Enhanced longword version of global buffer count with a per-file maximum size of about 2.1 billion for indexed files.
 
|-
 
|-
−
| GBCFLAGS || String || Per-file management flags for sizing of global buffer cache. Returns PERCENT if global buffer count is expresses as a percent, DEFAULT if global buffer size is determined at runtime by an algorithm using two global buffer SYSGEN parameters (GB_CACHEALLMAX and GB_DEFPERCENT); or NONE if no per-file management flags are enabled for the file.
+
| GBCFLAGS || style="text-align:center;" | String || Per-file management flags for sizing of global buffer cache. Returns PERCENT if global buffer count is expresses as a percent, DEFAULT if global buffer size is determined at runtime by an algorithm using two global buffer SYSGEN parameters (GB_CACHEALLMAX and GB_DEFPERCENT); or NONE if no per-file management flags are enabled for the file.
 
|-
 
|-
−
| GRP || Integer || Owner group number.
+
| GRP || style="text-align:center;" | Integer || Owner group number.
 
|-
 
|-
−
| JOURNAL_FILE || String || TRUE if the file is a journal; otherwise FALSE.
+
| JOURNAL_FILE || style="text-align:center;" | String || TRUE if the file is a [[RMS journaling|journal]]; otherwise FALSE.
 
|-
 
|-
−
| KNOWN || String || Known file; returns TRUE or FALSE to indicate whether file is installed with the Install utility (INSTALL). However, returns NOSUCHFILE if a file does not exist (for example, the file has been installed but subsequently deleted).
+
| KNOWN || style="text-align:center;" | String || Known file; returns TRUE or FALSE to indicate whether file is installed with the Install utility (INSTALL). However, returns NOSUCHFILE if a file does not exist (for example, the file has been installed but subsequently deleted).
 
|-
 
|-
−
| LOCKED || String || TRUE if a file is deaccessed-locked; otherwise FALSE.
+
| LOCKED || style="text-align:center;" | String || TRUE if a file is deaccessed-locked; otherwise FALSE.
 
|-
 
|-
−
| LRL || Integer || Longest record length.
+
| LRL || style="text-align:center;" | Integer || Longest record length.
 
|-
 
|-
−
| MBM || Integer || Owner [[UIC|member number]].
+
| MBM || style="text-align:center;" | Integer || Owner [[UIC|member number]].
 
|-
 
|-
−
| MOVE || String || TRUE if movefile operations are enabled; otherwise FALSE.
+
| MOVE || style="text-align:center;" | String || TRUE if movefile operations are enabled; otherwise FALSE.
 
|-
 
|-
−
| MRN || Integer || Maximum record number.
+
| MRN || style="text-align:center;" | Integer || Maximum record number.
 
|-
 
|-
−
| MRS || Integer || Maximum record size.
+
| MRS || style="text-align:center;" | Integer || Maximum record size.
 
|-
 
|-
−
| NOA || Integer || Number of areas.
+
| NOA || style="text-align:center;" | Integer || Number of areas.
 
|-
 
|-
−
| NOBACKUP || String || FALSE if the file is marked for backup; TRUE if the file is marked NOBACKUP.
+
| NOBACKUP || style="text-align:center;" | String || FALSE if the file is marked for backup; TRUE if the file is marked NOBACKUP.
 
|-
 
|-
−
| NOK || Integer || Number of keys.
+
| NOK || style="text-align:center;" | Integer || Number of keys.
 
|-
 
|-
−
| ORG || String || [[File organization]]; returns SEQ, REL, IDX.
+
| ORG || style="text-align:center;" | String || [[File organization]]; returns SEQ, REL, IDX.
 
|-
 
|-
−
| PRESHELVED || String || TRUE if the file is preshelved; otherwise FALSE.
+
| PRESHELVED || style="text-align:center;" | String || TRUE if the file is preshelved; otherwise FALSE.
 
|-
 
|-
−
| PRO || String || File [[UIC protection|protection string]].
+
| PRO || style="text-align:center;" | String || File [[UIC protection|protection string]].
 
|-
 
|-
−
| PVN || Integer || Prolog version number.
+
| PVN || style="text-align:center;" | Integer || Prolog version number.
 
|-
 
|-
−
| RAT || String || Record attributes; returns CR, PRN, FTN, "".
+
| RAT || style="text-align:center;" | String || Record attributes; returns CR, PRN, FTN, "".
 
|-
 
|-
−
| RCK || String || TRUE if read check; otherwise FALSE.
+
| RCK || style="text-align:center;" | String || TRUE if read check; otherwise FALSE.
 
|-
 
|-
−
| RDT || String || Revision date/time.
+
| RDT || style="text-align:center;" | String || Revision date/time.
 
|-
 
|-
−
| RFM || String || [[Record format]] string; returns the values VAR, FIX, VFC, UDF, STM, STMLF, STMCR.
+
| RFM || style="text-align:center;" | String || [[Record format]] string; returns the values VAR, FIX, VFC, UDF, STM, STMLF, STMCR.
 
|-
 
|-
−
| RU || String || TRUE if recovery unit (RU) journaling is enabled; returns TRUE or FALSE.
+
| RU || style="text-align:center;" | String || TRUE if recovery unit (RU) journaling is enabled; returns TRUE or FALSE.
 
|-
 
|-
−
| RVN || Integer || Revision number.
+
| RVN || style="text-align:center;" | Integer || Revision number.
 
|-
 
|-
−
| SHELVABLE || String || TRUE if the file is shelvable; otherwise FALSE.
+
| SHELVABLE || style="text-align:center;" | String || TRUE if the file is shelvable; otherwise FALSE.
 
|-
 
|-
−
| SHELVED || String || TRUE if the file is shelved; otherwise FALSE.
+
| SHELVED || style="text-align:center;" | String || TRUE if the file is shelved; otherwise FALSE.
 
|-
 
|-
−
| STORED_SEMANTICS || String || ASCII string that represents stored semantics.
+
| STORED_SEMANTICS || style="text-align:center;" | String || ASCII string that represents stored semantics.
 
|-
 
|-
−
| UIC || String || Owner [[UIC|user identification code]] (UIC) string.
+
| UIC || style="text-align:center;" | String || Owner [[UIC|user identification code]] (UIC) string.
 
|-
 
|-
−
| VERLIMIT || Integer || [[File version|Version]] limit number. The value 32767 indicates that no version limit was set.
+
| VERLIMIT || style="text-align:center;" | Integer || [[File version|Version]] limit number. The value 32767 indicates that no version limit was set.
 
|-
 
|-
−
| WCK || String || TRUE if write check; otherwise FALSE.
+
| WCK || style="text-align:center;" | String || TRUE if write check; otherwise FALSE.
 
|}
 
|}
  
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   RFM = "VAR"
 
   RFM = "VAR"
 
</pre>
 
</pre>
 +
 +
[[Category: Lexical Functions]]

Latest revision as of 05:10, 15 December 2019

F$FILE_ATTRIBUTES() is a lexical function that returns attribute information for a specified file.

Format

F$FILE_ATTRIBUTES (filespec,item)

filespec

Specifies the name of the file about which you are requesting information. You must specify the file name as a character string expression.

You can specify only one file name. Wildcard characters are not allowed.

item

Item Return type Information required
AI String TRUE if after-image (AI) journaling is enabled; FALSE if disabled.
ALQ Integer Allocation quantity.
BDT String Backup date/time.
BI String TRUE if before-image (BI) journaling is enabled; FALSE if disabled.
BKS Integer Bucket size.
BLS Integer Block size.
CBT String TRUE if contiguous-best-try; otherwise FALSE.
CDT String Creation date/time.
CTG String TRUE if contiguous; otherwise FALSE.
DEQ Integer Default extension quantity.
DID String Directory ID string.
DIRECTORY String Returns TRUE or FALSE. Returns TRUE if it is a directory.
DVI String Device name string.
EDT String Expiration date/time.
EOF Integer Number of blocks used.
ERASE String TRUE if a file's contents are erased before a file is deleted; otherwise FALSE.
FFB Integer First free byte.
FID String File ID string.
FILE_LENGTH_HINT String Record count and data byte count in the form (
FSZ Integer Fixed control area size.
GBC Integer Global buffer count.
GBC32 Integer Enhanced longword version of global buffer count with a per-file maximum size of about 2.1 billion for indexed files.
GBCFLAGS String Per-file management flags for sizing of global buffer cache. Returns PERCENT if global buffer count is expresses as a percent, DEFAULT if global buffer size is determined at runtime by an algorithm using two global buffer SYSGEN parameters (GB_CACHEALLMAX and GB_DEFPERCENT); or NONE if no per-file management flags are enabled for the file.
GRP Integer Owner group number.
JOURNAL_FILE String TRUE if the file is a journal; otherwise FALSE.
KNOWN String Known file; returns TRUE or FALSE to indicate whether file is installed with the Install utility (INSTALL). However, returns NOSUCHFILE if a file does not exist (for example, the file has been installed but subsequently deleted).
LOCKED String TRUE if a file is deaccessed-locked; otherwise FALSE.
LRL Integer Longest record length.
MBM Integer Owner member number.
MOVE String TRUE if movefile operations are enabled; otherwise FALSE.
MRN Integer Maximum record number.
MRS Integer Maximum record size.
NOA Integer Number of areas.
NOBACKUP String FALSE if the file is marked for backup; TRUE if the file is marked NOBACKUP.
NOK Integer Number of keys.
ORG String File organization; returns SEQ, REL, IDX.
PRESHELVED String TRUE if the file is preshelved; otherwise FALSE.
PRO String File protection string.
PVN Integer Prolog version number.
RAT String Record attributes; returns CR, PRN, FTN, "".
RCK String TRUE if read check; otherwise FALSE.
RDT String Revision date/time.
RFM String Record format string; returns the values VAR, FIX, VFC, UDF, STM, STMLF, STMCR.
RU String TRUE if recovery unit (RU) journaling is enabled; returns TRUE or FALSE.
RVN Integer Revision number.
SHELVABLE String TRUE if the file is shelvable; otherwise FALSE.
SHELVED String TRUE if the file is shelved; otherwise FALSE.
STORED_SEMANTICS String ASCII string that represents stored semantics.
UIC String Owner user identification code (UIC) string.
VERLIMIT Integer Version limit number. The value 32767 indicates that no version limit was set.
WCK String TRUE if write check; otherwise FALSE.

Examples

$ FILE_ORG = F$FILE_ATTRIBUTES("QUEST.DAT","ORG")
$ SHOW SYMBOL FILE_ORG
  FILE_ORG = "SEQ"

$ RFM = F$FILE_ATTRIBUTES("KANSAS::USE$:[CARS]SALES.CMD","RFM")
$ SHOW SYMBOL RFM
  RFM = "VAR"
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