tar: Ignore Failed Read

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1 4.3.3 Ignore Failed Read
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1 '--ignore-failed-read'
1      Do not exit with nonzero on unreadable files or directories.
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1    This option has effect only during creation.  It instructs tar to
1 treat as mild conditions any missing or unreadable files (directories).
1 Such failures don't affect the program exit code, and the corresponding
1 diagnostic messages are marked as warnings, not errors.  These warnings
11 can be suppressed using the '--warning=failed-read' option (⇒
 warnings).
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