SliTaz Repositories

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xz/stuff/lzma	Wed Feb 03 22:37:34 2010 +0100
     1.3 @@ -0,0 +1,104 @@
     1.4 +#!/bin/sh
     1.5 +#
     1.6 +# Wrapper to accept lzma_alone or lzma_utils arguments
     1.7 +#
     1.8 +
     1.9 +usage()
    1.10 +{
    1.11 +	cat 1>&2 <<EOT
    1.12 +Usage:  LZMA <e|d> inputFile outputFile [<switches>...]
    1.13 +  e: encode file
    1.14 +  d: decode file
    1.15 +<Switches>
    1.16 +  -a{N}:  set compression mode - [0, 2], default: 1 (max)
    1.17 +  -d{N}:  set dictionary - [12,30], default: 23 (8MB)
    1.18 +  -fb{N}: set number of fast bytes - [2, 273], default: 64
    1.19 +  -mc{N}: set number of cycles for match finder
    1.20 +  -lc{N}: set number of literal context bits - [0, 3], default: 3
    1.21 +  -lp{N}: set number of literal pos bits - [0, 4], default: 0
    1.22 +  -pb{N}: set number of pos bits - [0, 4], default: 2
    1.23 +  -mf{MF_ID}: set Match Finder: [bt2, bt3, bt4, hc3, hc4], default: bt4
    1.24 +  -eos:   write End Of Stream marker
    1.25 +  -si:    read data from stdin
    1.26 +  -so:    write data to stdout
    1.27 +EOT
    1.28 +	exit 1
    1.29 +}
    1.30 +
    1.31 +# Get lzma_alone arg
    1.32 +getarg()
    1.33 +{
    1.34 +	case "$1" in
    1.35 +	-a0)  mode="lzma1=mode=fast";;
    1.36 +	-a1)  mode="lzma1=mode=normal";;
    1.37 +	-a2)  mode="lzma2=mode=normal";;
    1.38 +	-d*)  extra="$extra,dict=$((2 ** ${1#-d}))";;
    1.39 +	-fb*) extra="$extra,fb=${1#-fb}";;
    1.40 +	-mc*) extra="$extra,depth=${1#-mc}";;
    1.41 +	-lc*) extra="$extra,lc=${1#-lc}";;
    1.42 +	-lp*) extra="$extra,lp=${1#-lp}";;
    1.43 +	-pb*) extra="$extra,pb=${1#-pb}";;
    1.44 +	-mf*) extra="$extra,mf=${1#-mf}";;
    1.45 +	-eos|-mt*) ;;
    1.46 +	-si)  output="> ${input#< }"; input="";;
    1.47 +	-so)  output="";;
    1.48 +	*) return 1;;
    1.49 +	esac
    1.50 +	return 0
    1.51 +}
    1.52 +
    1.53 +lzma_utils()
    1.54 +{
    1.55 +	args="--format=lzma"
    1.56 +	files=""
    1.57 +	suffix=lzma
    1.58 +	while [ -n "$1" ]; do
    1.59 +		case "$1" in
    1.60 +		-e) args="$args -z";;
    1.61 +		-d|-k|-[0-9]) args="$args $1";;
    1.62 +		--fast) args="$args -1";;
    1.63 +		--best) args="$args -9";;
    1.64 +		-c|--stdout|--to-stdout) args="$args -c";;
    1.65 +		-S) suffix=${2#.}; shift;;
    1.66 +		-*);;
    1.67 +		*) files="$files $1";;
    1.68 +		esac
    1.69 +		shift
    1.70 +	done
    1.71 +	for i in $files; do
    1.72 +		xz $args $i || break
    1.73 +		[ "lzma" == "$suffix" ] || mv ${i%.*}.lzma ${i%.*}.$suffix
    1.74 +	done
    1.75 +	exit
    1.76 +}
    1.77 +
    1.78 +# lzma_utils or lzma_alone ?
    1.79 +[ -n "$3" ] || lzma_utils $@
    1.80 +case "$1" in
    1.81 +d) args="-d";;
    1.82 +e) args="-z";;
    1.83 +--help|-h|-\?|'') usage;;
    1.84 +*) lzma_utils $@;;
    1.85 +esac
    1.86 +
    1.87 +# it's lzma_alone
    1.88 +# get filenames
    1.89 +input="< $2"
    1.90 +output="> $2"
    1.91 +shift
    1.92 +if ! getarg "$1"; then
    1.93 +	output="> $2"
    1.94 +	getarg "$2"
    1.95 +	shift
    1.96 +fi
    1.97 +
    1.98 +# get arguments
    1.99 +extra=""
   1.100 +mode="lzma1=mode=normal"
   1.101 +while [ -n "$2" ]; do
   1.102 +	getarg "$2" || usage
   1.103 +	shift
   1.104 +done
   1.105 +
   1.106 +# fake lzma_alone (-eos -mt1)
   1.107 +eval exec xz $args --format=lzma --$mode$extra --stdout $input $output