diff6-10.chapter26.txt

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diff6-10

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<    
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<    
<    
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<    
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<    
<    
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<                 Open a descriptor on an NDBM database. The first argument is 
<                the name of the database (without the .dir and .pag suffixes). 
<                The second argument is a list of flags: Dbm_rdonly opens  the
<                database for reading only, Dbm_wronly for writing only, 
<                Dbm_rdwr for reading and writing; Dbm_create causes the 
<                database to be created if it does not already exist.  The third
<                argument is the permissions to give to the database  files, if
<                the database is created.
<   
<    
---
>     Open a descriptor on an NDBM database. The first argument is the name of
>    the database (without the .dir and .pag suffixes). The second argument is a
>    list of flags: Dbm_rdonly opens the database for reading only, Dbm_wronly
>    for writing only, Dbm_rdwr for reading and writing; Dbm_create causes the
>    database to be created if it does not already exist. The third argument is
>    the permissions to give to the database files, if the database is created.
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<    
<    
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<                 find db key returns the data associated with the given  key in
<                the database opened for the descriptor db.  Raise Not_found if
<                the key has no associated data.
<   
<    
---
>     find db key returns the data associated with the given key in the database
>    opened for the descriptor db. Raise Not_found if the key has no associated
>    data.
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<                 add db key data inserts the pair (key, data) in  the database
<                db. If the database already contains data  associated with key,
<                raise Dbm_error "Entry already exists".
<   
<    
---
>     add db key data inserts the pair (key, data) in the database db. If the
>    database already contains data associated with key, raise Dbm_error "Entry
>    already exists".
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<                 replace db key data inserts the pair (key, data) in  the
<                database db. If the database already contains data  associated
<                with key, that data is discarded and silently  replaced by the
<                new data.
<   
<    
---
>     replace db key data inserts the pair (key, data) in the database db. If the
>    database already contains data associated with key, that data is discarded
>    and silently replaced by the new data.
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<                 remove db key data removes the data associated with key  in db.
<                If key has no associated data, raise  Dbm_error "dbm_delete".
<   
<    
---
>     remove db key data removes the data associated with key in db. If key has
>    no associated data, raise Dbm_error "dbm_delete".
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<    
<    
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<                 Enumerate all keys in the given database, in an unspecified
<                order.  firstkey db returns the first key, and repeated calls 
<                to nextkey db return the remaining keys. Not_found is raised 
<                when all keys have been enumerated.
<   
<    
---
>     Enumerate all keys in the given database, in an unspecified order. firstkey
>    db returns the first key, and repeated calls to nextkey db return the
>    remaining keys. Not_found is raised when all keys have been enumerated.
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<                 iter f db applies f to each (key, data) pair in  the database
<                db. f receives key as first argument  and data as second
<                argument.
<   
---
>     iter f db applies f to each (key, data) pair in the database db. f receives
>    key as first argument and data as second argument.