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Annotation of embedaddon/rsync/support/mapfrom, revision 1.1.1.2

1.1.1.2 ! misho       1: #!/usr/bin/env perl
1.1       misho       2: # This helper script makes it easy to use a passwd or group file to map
                      3: # values in a LOCAL transfer.  For instance, if you mount a backup that
                      4: # does not have the same passwd setup as the local machine, you can do
                      5: # a copy FROM the backup area as follows and get the differing ID values
                      6: # mapped just like a remote transfer FROM the backed-up machine would do:
                      7: #
                      8: # rsync -av --usermap=`mapfrom /mnt/backup/etc/passwd` \
                      9: #           --groupmap=`mapfrom /mnt/backup/etc/group` \
                     10: #           /mnt/backup/some/src/ /some/dest/
                     11: 
                     12: while (<>) {
                     13:     push @_, "$2:$1" if /^(\w+):[^:]+:(\d+)/;
                     14: }
                     15: print join(',', @_), "\n";