Find - POSIX Protection From Infinite Output

POSIX Protection From Infinite Output

Real-world filesystems often contain looped structures created through the use of hard or soft links. The POSIX standard requires that

The find utility shall detect infinite loops; that is, entering a previously visited directory that is an ancestor of the last file encountered. When it detects an infinite loop, find shall write a diagnostic message to standard error and shall either recover its position in the hierarchy or terminate.

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Famous quotes containing the words protection, infinite and/or output:

    Innocence does not find near so much protection as guilt.
    François, Duc De La Rochefoucauld (1613–1680)

    Politics are for foreigners with their endless wrongs and paltry rights. Politics are a lousy way to get things done. Politics are, like God’s infinite mercy, a last resort.
    —P.J. (Patrick Jake)

    Lizzie Borden took an axe
    And gave her mother forty whacks;
    When she saw what she had done,
    She gave her father forty-one.
    —Anonymous. Late 19th century ballad.

    The quatrain refers to the famous case of Lizzie Borden, tried for the murder of her father and stepmother on Aug. 4, 1892, in Fall River, Massachusetts. Though she was found innocent, there were many who contested the verdict, occasioning a prodigious output of articles and books, including, most recently, Frank Spiering’s Lizzie (1985)