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@@ -0,0 +1,14 @@ |
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#!/bin/bash |
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prog0='BEGIN { FS="/"; OFS="/" }' # Set the field separators |
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prog1='{ print }' # Print the input URL (if desired) |
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prog2='/\/$/ { --NF }' # Remove the trailing blank field if the URL ends with a slash |
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prog3='{ for (i = NF; i > 3; --i) { --NF; print $0 OFS; } }' # One by one, remove the last path component, print remaining fields |
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prog="${prog0} " |
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if [[ "$1" == '--with-original' ]] |
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then |
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prog="${prog}${prog1} " |
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fi |
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prog="${prog}${prog2} ${prog3}" |
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exec awk "${prog}" |