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   gawk    ( 1 )

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Переменные окружения (Environment variables)

The AWKPATH environment variable can be used to provide a list of
       directories that gawk searches when looking for files named via
       the -f, --file, -i and --include options, and the @include
       directive.  If the initial search fails, the path is searched
       again after appending .awk to the filename.

       The AWKLIBPATH environment variable can be used to provide a list
       of directories that gawk searches when looking for files named
       via the -l and --load options.

       The GAWK_READ_TIMEOUT environment variable can be used to specify
       a timeout in milliseconds for reading input from a terminal, pipe
       or two-way communication including sockets.

       For connection to a remote host via socket, GAWK_SOCK_RETRIES
       controls the number of retries, and GAWK_MSEC_SLEEP the interval
       between retries.  The interval is in milliseconds. On systems
       that do not support usleep(3), the value is rounded up to an
       integral number of seconds.

       If POSIXLY_CORRECT exists in the environment, then gawk behaves
       exactly as if --posix had been specified on the command line.  If
       --lint has been specified, gawk issues a warning message to this
       effect.