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add libretro-db docs for consolidating DATs

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markwkidd 2018-12-14 14:08:32 -05:00 committed by GitHub
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libretro-db/README.md
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@ -9,7 +9,7 @@ Files specified later in the chain **will override** earlier ones if the same ke
* To create an index `libretrodb_tool <db file> create-index <index name> <field name>`
* To find an entry with an index `libretrodb_tool <db file> find <index name> <value>`
# Compiling a single database with `c_converter`
# Compiling a single DAT into a single RDB with `c_converter`
```
git clone git@github.com:libretro/libretro-super.git
cd libretro-super
@ -20,7 +20,19 @@ cd libretro-db
c_converter "NAME_OF_RDB_FILE.rdb" "NAME_OF_SOURCE_DAT.dat"
```
# Compiling all databases with libretro-build-database.sh
# Compiling multiple DATs into a single RDB with `c_converter`
Specify `rom.crc` as the second parameter to use CRC as the unique fingerprint.
```
git clone git@github.com:libretro/libretro-super.git
cd libretro-super
./libretro-fetch.sh retroarch
cd retroarch
./configure
cd libretro-db
c_converter "NAME_OF_RDB_FILE.rdb" "rom.crc" "NAME_OF_SOURCE_DAT_1.dat" "NAME_OF_SOURCE_DAT_2.dat" "NAME_OF_SOURCE_DAT_3.dat"
```
# Compiling all RDBs with libretro-build-database.sh
**This approach builds and uses the `c_converter` program to compile the databases**
```