/usr/share/doc/gfal2-plugin-sftp/README_PLUGIN_SFTP is in gfal2-plugin-sftp 2.15.2-1.
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1 2 3 4 5 6 7 8 | SFTP Plugin
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Provides access via SFTP (SSH)
Examples
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gfal-stat sftp://arioch.cern.ch/etc/passwd
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