Find unique lines based off of bytes Post: 302852315

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compare 2 files and return unique lines in each file (based on condition)

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X bytes of 0, Y bytes of random data, Z bytes of 5, T bytes of 1. ??

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Print unique lines without sort or unique

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Print lines based upon unique values in Nth field

For some reason I am having difficulty performing what should be a fairly easy task. I would like to print lines of a file that have a unique value in the first field. For example, I have a large data-set with the following excerpt: PS003,001 MZMWR/ L-DWD// * PS003,001...

LEARN ABOUT SUSE

end

END(7)								   SQL Commands 							    END(7)

NAME

       END - commit the current transaction

SYNOPSIS

       END [ WORK | TRANSACTION ]

DESCRIPTION

       END  commits  the  current  transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a
       crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT [commit(7)].

PARAMETERS

       WORK

       TRANSACTION
	      Optional key words. They have no effect.

NOTES

       Use ROLLBACK [rollback(7)] to abort a transaction.

       Issuing END when not inside a transaction does no harm, but it will provoke a warning message.

EXAMPLES

       To commit the current transaction and make all changes permanent:

       END;

COMPATIBILITY

       END is a PostgreSQL extension that provides functionality equivalent to COMMIT [commit(7)], which is specified in the SQL standard.

SEE ALSO

       BEGIN [begin(7)], COMMIT [commit(7)], ROLLBACK [rollback(7)]

SQL - Language Statements					    2010-05-14								    END(7)

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In a huge file, Delete duplicate lines leaving unique lines

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compare 2 files and return unique lines in each file (based on condition)

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Transpose lines from individual blocks to unique lines

Discussion started by: Ophiuchus