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@ -1695,6 +1695,7 @@ mode:
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@cindex checking for sortedness
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Check whether the given files are already sorted: if they are not all
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sorted, print an error message and exit with a status of 1.
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Otherwise, exit successfully.
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@item -m
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@opindex -m
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@ -1728,6 +1729,8 @@ input line length or restrictions on bytes allowed within lines. In
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addition, if the final byte of an input file is not a newline, GNU
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@code{sort} silently supplies one.
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Upon any error @code{sort} exits with status of @samp{2}.
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@vindex TMPDIR
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If the environment variable @code{TMPDIR} is set, @code{sort} uses its
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value as the directory for temporary files instead of @file{/tmp}. The
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