summaryrefslogtreecommitdiffstats
path: root/README
diff options
context:
space:
mode:
authorDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 05:06:05 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 05:06:05 +0000
commita3c37bf807e8bcf3682987c2ab984053e7940a5c (patch)
treee739a4f5a6645fa64c4e66954a485bdf98d3bb61 /README
parentAdding upstream version 1.5~rc2. (diff)
downloadlunzip-upstream/1.5.tar.xz
lunzip-upstream/1.5.zip
Adding upstream version 1.5.upstream/1.5
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to '')
-rw-r--r--README29
1 files changed, 15 insertions, 14 deletions
diff --git a/README b/README
index 3a06da8..7e13312 100644
--- a/README
+++ b/README
@@ -5,20 +5,6 @@ small size makes it well suited for embedded devices or software
installers that need to decompress files but do not need compression
capabilities. Lunzip is fully compatible with lzip-1.4 or newer.
-If the size of the output buffer is specified with the "--buffer-size"
-option, lunzip uses the decompressed file as dictionary for distances
-beyond the buffer size and is able to decompress any file using as
-little memory as 50 kB, irrespective of the dictionary size used to
-compress the file. Of course, the smaller the output buffer size used in
-relation to the dictionary size, the more accesses to disk are needed
-and the slower the decompression is. This "low memory" mode only works
-when decompressing to a regular file and is intended for systems without
-enough memory (RAM + swap) to keep the whole dictionary at once.
-
-The amount of memory required by lunzip to decompress a file is about
-46 kB larger than the dictionary size used to compress that file, unless
-the "--buffer-size" option is specified.
-
The lzip file format is designed for long-term data archiving. It is
clean, provides very safe 4 factor integrity checking, and is backed by
the recovery capabilities of lziprecover.
@@ -28,6 +14,21 @@ bzip2, which makes it safer than decompressors returning ambiguous
warning values (like gunzip) when it is used as a back end for tar or
zutils.
+Lunzip provides a "low memory" mode able to decompress any file using as
+little memory as 50 kB, irrespective of the dictionary size used to
+compress the file. To activate it, specify the size of the output buffer
+with the "--buffer-size" option and lunzip will use the decompressed
+file as dictionary for distances beyond the buffer size. Of course, the
+smaller the output buffer size used in relation to the dictionary size,
+the more accesses to disk are needed and the slower the decompression
+is. This "low memory" mode only works when decompressing to a regular
+file and is intended for systems without enough memory (RAM + swap) to
+keep the whole dictionary at once.
+
+The amount of memory required by lunzip to decompress a file is about
+46 kB larger than the dictionary size used to compress that file, unless
+the "--buffer-size" option is specified.
+
Lunzip attempts to guess the name for the decompressed file from that of
the compressed file as follows: