15 lines
222 B
Plaintext
15 lines
222 B
Plaintext
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#! /bin/sh
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# undot_paths : lines path |> lines path
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# Remove all dots (. and ..) from input paths.
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set -euf
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sed '
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:0
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s://\+:/:g
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s:/\.\(/\|$\):\1:g
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s:/[^/]\+/\.\.\(/\|$\):\1:g
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s:^/\(\.\./\)\+:/:
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t0
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s:^$:/:
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'
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