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27 lines
341 B
Bash
27 lines
341 B
Bash
#!/bin/sh
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get_magic_word() {
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dd if=$1 bs=4 count=1 2>/dev/null | od -A n -N 4 -t x1 | tr -d ' '
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}
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get_fs_type() {
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local magic_word="$(get_magic_word "$1")"
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case "$magic_word" in
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"3118"*)
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echo "ubifs"
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;;
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"68737173")
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echo "squashfs"
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;;
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*)
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echo "unknown"
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;;
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esac
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}
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round_up() {
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echo "$(((($1 + ($2 - 1))/ $2) * $2))"
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}
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