128 lines
3.0 KiB
Bash
Executable File
128 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2001 - 2002, International Business Machines Corporation.
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# 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 <srl@jtcsv.com>
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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'
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usage()
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{
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echo "Enter archive filename as a parameter: $0 icu-archive.tar [strip]"
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echo "(strip is an option to remove hex '0D' carraige returns)"
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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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if [ ! -r $1 ]; then
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echo "$1 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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# set up a few variables
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echo ""
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echo "Extracting from $1 ..."
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echo ""
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# extract files while converting them to EBCDIC
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pax -rvf $1 -o to=IBM-1047,from=ISO8859-1
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if [ $# -gt 1 ]; then
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if [ $2 -eq strip ]; then
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echo ""
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echo "Stripping hex 0d characters ..."
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for i in $(pax -f $1 2>/dev/null)
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do
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case $i in
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*/)
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# then this entry is a directory
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;;
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*)
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# then this entry is NOT a directory
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tr -d
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<$i >@@@icu@tmp
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chmod +w $i
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rm $i
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mv @@@icu@tmp $i
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;;
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esac
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done
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fi
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fi
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echo ""
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echo "Determining binary files ..."
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echo ""
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#for dir in `find ./icu -type d \( -name CVS -o -print \)`; do
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# if [ -f $dir/CVS/Entries ]; then
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# binary_files="$binary_files`cat $dir/CVS/Entries | fgrep -- -kb \
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# | cut -d / -f2 | sed -e "s%^%$dir/%" \
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# | sed -e "s%^\./%%" | tr '\n' ' '`"
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# fi
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#done
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#echo "Detecting Unicode files"
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for file in `find icu \( -name \*.txt -print \)`; do
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bom8=`head -c 3 $file|\
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od -t x1|\
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head -n 1|\
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sed 's/ */ /g'|\
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cut -f2-4 -d ' '|\
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tr 'A-Z' 'a-z'`;
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#Find a converted UTF-8 BOM
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if test "$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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for i in $(pax -f $1 2>/dev/null)
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do
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case $i in
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*/)
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# then this entry is a directory
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;;
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*.*)
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# then this entry has a dot in the filename
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for j in $binary_suffixes
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do
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suf=${i#*.*}
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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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*)
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# then this entry does not have a dot in it
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;;
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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 $1 $binary_files
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fi
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echo ""
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echo "$0 has completed extracting ICU from $1."
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