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40 lines
791 B
Bash
40 lines
791 B
Bash
#!/bin/bash
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checkGMAD() {
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header=$(head -c4 $1 | xxd -ps)
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echo "'$header'"
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if [[ "$header" = "474d4144" ]]; then
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return 0
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else
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return 1
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fi
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}
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checkLZMA() {
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header=$(cat $1 | lzma -d - | head -c4 | xxd -ps)
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if [[ "$header" = "474d4144" ]]; then
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return 0
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else
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return 1
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fi
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}
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testNfix() {
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file=$1
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if checkGMAD "$file"; then
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echo "file is native GMAD"
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else
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if checkLZMA "$file"; then
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echo "file is lzma'd GMAD"
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cat "$file" | lzma -d > "$file.unc"
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if checkGMAD "$file.unc"; then
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mv "$file" "$file.lzma" && mv "$file.unc" "$file" && echo "file has been converted to GMAD" && exit 0
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else
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echo "file couldn't be converted"
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fi
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rm "$file.unc"
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else
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echo "file is somewhat else"
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fi
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fi
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}
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