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These commands fail on systems that do not have bash under /bin Signed-off-by: William Casarin <jb55@jb55.com>
8 lines
241 B
Bash
Executable File
8 lines
241 B
Bash
Executable File
#!/usr/bin/env bash
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from=${1}
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to=${2}
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common=$(printf '%s\n%s' "${from}" "${to}" | sed 'N;s/\(.*\).*\n\1.*$/\1/' | sed 's@/[^/]*$@/@')
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prefix=$(printf '%s\n' "${from#$common}" | sed 's@[^/][^/]*@..@g')
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printf '%s\n' "$prefix/${to#$common}"
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