BasicKeyedAccessFile

fops.spad line 324 [edit on github]

This domain implements access to keyed access files (KAF-s).

close!: % -> Void

close! closes the keyed access file.

keys: % -> List String

keys(f) gives the list of keys of f.

open: (FileName, String) -> %

open opens the keyed access file.

openIfCan: (FileName, String) -> Union(%, failed)

openIfCan(n, m) opens the keyed access file. If file can not be opened returns “failed”.

read: (%, String) -> None

read(f, key) reads item with the key key from f.

read: (%, String, None) -> None

read(f, key, val) reads item with the key key from f. If key is not present, val is returned.

remove!: (%, String) -> Void

remove!(f, key) removes item with the key key from f.

write!: (%, String, None) -> Void

write! writes one item to the keyed access file.