makemap - Create database maps for sendmail
/usr/sbin/makemap [-N] [-d] [-f] [-o] [-r] [-v] maptype
Include the null byte that terminates strings in the map.
This must match the -N option in the sendmail.cf K line.
Allow duplicate keys in the map. This is only allowed on
B-Tree format maps. If two identical keys are read, they
will both be inserted into the map. Normally all uppercase
letters in the key are folded to lower case. This
option disables that behavior. This is intended to mesh
with the -f option in the K line in sendmail.cf. The
value is never case folded. Append to an old file. This
allows you to augment an existing file. Allow replacement
of existing keys. Normally makemap complains if you
repeat a key, and does not do the insert. Verbosely print
what it is doing.
The makemap command creates the database maps used by the
keyed map lookups in sendmail(8). It reads input from the
standard input and outputs them to the indicated mapname.
The makemap command handles three different database formats,
selected using the maptype operand. They may be:
DBM format maps. This requires the ndbm library. See
ndbm(3). B-Tree format maps. This requires the new
Berkeley db library. Hash format maps. This also
requires the db library.
In all cases, makemap reads lines from the standard input
consisting of two words separated by white space. The
first is the database key, the second is the value. The
value may contain %n strings to indicated parameter substitution.
Literal percents should be doubled (%%). Blank
lines and lines beginning with the pound sign (#) are
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