tar: copy directory hierarchy
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1 B.1 Copying directory hierarchies
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1 This is a traditional way to copy a directory hierarchy preserving the
1 dates, modes, owners and link-structure of all the files therein. It
1 was used back when the 'cp' command lacked the '-a' option:
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1 $ (cd sourcedir; tar -cf - .) | (cd targetdir; tar -xf -)
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1 You can avoid subshells by using '-C' option:
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1 $ tar -C sourcedir -cf - . | tar -C targetdir -xf -
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1 The same command using long option forms:
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1 $ (cd sourcedir; tar --create --file=- . ) \
1 | (cd targetdir; tar --extract --file=-)
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1 or
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1 $ tar --directory sourcedir --create --file=- . \
1 | tar --directory targetdir --extract --file=-
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