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Add documentation for --patch-from

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This commit is contained in:
Binh Vo 2021-06-03 11:12:27 -04:00
parent 0a96d00064
commit 1e17184ad0
2 changed files with 2 additions and 0 deletions
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programs/README.md
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@ -172,6 +172,7 @@ Advanced compression arguments :
--long[=#]: enable long distance matching with given window log (default: 27) --long[=#]: enable long distance matching with given window log (default: 27)
--fast[=#]: switch to very fast compression levels (default: 1) --fast[=#]: switch to very fast compression levels (default: 1)
--adapt : dynamically adapt compression level to I/O conditions --adapt : dynamically adapt compression level to I/O conditions
--patch-from=FILE : specify the file to be used as a reference point for zstd's diff engine
-T# : spawns # compression threads (default: 1, 0==# cores) -T# : spawns # compression threads (default: 1, 0==# cores)
-B# : select size of each job (default: 0==automatic) -B# : select size of each job (default: 0==automatic)
--single-thread : use a single thread for both I/O and compression (result slightly different than -T1) --single-thread : use a single thread for both I/O and compression (result slightly different than -T1)

1
programs/zstdcli.c
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@ -208,6 +208,7 @@ static void usage_advanced(const char* programName)
DISPLAYOUT( "--fast[=#]: switch to very fast compression levels (default: %u) \n", 1); DISPLAYOUT( "--fast[=#]: switch to very fast compression levels (default: %u) \n", 1);
DISPLAYOUT( "--adapt : dynamically adapt compression level to I/O conditions \n"); DISPLAYOUT( "--adapt : dynamically adapt compression level to I/O conditions \n");
DISPLAYOUT( "--[no-]row-match-finder : force enable/disable usage of fast row-based matchfinder for greedy, lazy, and lazy2 strategies \n"); DISPLAYOUT( "--[no-]row-match-finder : force enable/disable usage of fast row-based matchfinder for greedy, lazy, and lazy2 strategies \n");
DISPLAYOUT( "--patch-from=FILE : specify the file to be used as a reference point for zstd's diff engine. \n");
# ifdef ZSTD_MULTITHREAD # ifdef ZSTD_MULTITHREAD
DISPLAYOUT( " -T# : spawns # compression threads (default: 1, 0==# cores) \n"); DISPLAYOUT( " -T# : spawns # compression threads (default: 1, 0==# cores) \n");
DISPLAYOUT( " -B# : select size of each job (default: 0==automatic) \n"); DISPLAYOUT( " -B# : select size of each job (default: 0==automatic) \n");