100 lines
2.4 KiB
Bash
Executable File
100 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2001-2006, International Business Machines
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# Corporation and others. All Rights Reserved.
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#
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# Authors:
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# Ami Fixler
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# Steven R. Loomis
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# George Rhoten
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#
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# Shell script to unpax ICU and convert the files to an EBCDIC codepage.
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# After extracting to EBCDIC, binary files are re-extracted without the
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# EBCDIC conversion, thus restoring them to original codepage.
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#
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# Set the following variable to the list of binary file suffixes (extensions)
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#binary_suffixes='ico ICO bmp BMP jpg JPG gif GIF brk BRK'
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#ICU specific binary files
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binary_suffixes='brk BRK bin BIN res RES cnv CNV dat DAT icu ICU spp SPP xml XML'
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usage()
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{
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echo "Enter archive filename as a parameter: $0 icu-archive.tar"
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}
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# first make sure we at least one arg and it's a file we can read
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if [ $# -eq 0 ]; then
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usage
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exit
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fi
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tar_file=$1
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if [ ! -r $tar_file ]; then
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echo "$tar_file does not exist or cannot be read."
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usage
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exit
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fi
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echo ""
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echo "Extracting from $tar_file ..."
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echo ""
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# extract files while converting them to EBCDIC
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pax -rvf $tar_file -o to=IBM-1047,from=ISO8859-1
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echo ""
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echo "Determining binary files ..."
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echo ""
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# When building in ASCII mode, text files are converted as ASCII
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if [ ${ICU_ENABLE_ASCII_STRINGS} -eq 1 ]; then
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binary_suffixes="$binary_suffixes txt TXT ucm UCM"
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else
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for file in `find ./icu \( -name \*.txt -print \)`; do
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bom8=`head -c 3 $file|\
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od -t x1|\
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head -n 1|\
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sed 's/ */ /g'|\
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cut -f2-4 -d ' '|\
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tr 'A-Z' 'a-z'`;
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#Find a converted UTF-8 BOM
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if [ "$bom8" = "57 8b ab" ]
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then
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binary_files="$binary_files $file";
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fi
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done
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fi
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for i in $(pax -f $tar_file 2>/dev/null)
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do
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case $i in
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*/) ;; # then this entry is a directory
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*.*) # then this entry has a dot in the filename
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for j in $binary_suffixes
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do
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# We substitute the suffix more than once
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# to handle files like NormalizationTest-3.2.0.txt
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suf=${i#*.*}
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suf=${suf#*.*}
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suf=${suf#*.*}
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if [ "$suf" = "$j" ]
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then
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binary_files="$binary_files $i"
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break
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fi
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done
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;;
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*) ;; # then this entry does not have a dot in it
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esac
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done
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# now see if a re-extract of binary files is necessary
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if [ ${#binary_files} -eq 0 ]; then
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echo ""
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echo "There are no binary files to restore."
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else
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echo "Restoring binary files ..."
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echo ""
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rm $binary_files
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pax -rvf $tar_file $binary_files
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fi
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echo ""
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echo "$0 has completed extracting ICU from $tar_file."
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