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ffindex_build - Online in the Cloud

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This is the command ffindex_build that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


ffindex_build - build file index from files in directories

DESCRIPTION


USAGE: ffindex_build [-a|-v] [-s] [-f file]* OUT_DATA_FILE OUT_INDEX_FILE [-d
2ND_DATA_FILE -i 2ND_INDEX_FILE] [DIR_TO_INDEX|FILE]*

-a append files/indexes, also needed for sorting an already existing ffindex

-d FFDATA_FILE
a second ffindex data file for inserting/appending

-i FFINDEX_FILE a second ffindex index file for inserting/appending

-f FILE
file containing a list of file names, one per line -f can be specified up to 4096
times

-s sort index file, so that the index can queried. Another append operations can be
done without sorting.

-v print version and other info then exit

ENVIRONMENT

FFINDEX_MAX_INDEX_ENTRIES - allocate memory for this number of entries

EXAMPLES:
Create a new ffindex containing all files from the "bar/" directory containing say
myfile1.txt, myfile2.txt and sort (-s) it so that e.g. ffindex_get can use it.

$ ffindex_build -s foo.ffdata foo.ffindex bar/

Add (-a) more files: myfile3.txt, myfile4.txt.

$ ffindex_build -a foo.ffdata foo.ffindex myfile3.txt myfile4.txt

Oops, forgot to sort it (-s) so do it afterwards:

$ ffindex_build -as foo.ffdata foo.ffindex

NOTE:
Maximum key/filename length is 63 and maximum entries are by default 80000000 This
can be changed in the sources.

Designed and implemented by Andreas Hauser <[email protected]>.

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