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Top Forums Shell Programming and Scripting awk or grep to search one column and output the other Post 302834923 by Manyaka on Saturday 20th of July 2013 04:29:05 PM
Old 07-20-2013
Hi Scott, thanks again for your help! I finally figured it out - found a very simple solution: I just had to add an ^ before "$row" to only search within the first column..

Code:
cat fileB | while read row ; do grep ^"$row" fileA | awk -F"\t" '{print $2}' > fileC


Last edited by Scott; 07-20-2013 at 05:31 PM.. Reason: Code tags
 

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IBASE_FETCH_ASSOC(3)							 1						      IBASE_FETCH_ASSOC(3)

ibase_fetch_assoc - Fetch a result row from a query as an associative array

SYNOPSIS
array ibase_fetch_assoc (resource $result, [int $fetch_flag]) DESCRIPTION
Fetch a result row from a query as an associative array. ibase_fetch_assoc(3) fetches one row of data from the $result. If two or more columns of the result have the same field names, the last column will take precedence. To access the other column(s) of the same name, you either need to access the result with numeric indices by using ibase_fetch_row(3) or use alias names in your query. PARAMETERS
o $result - The result handle. o $fetch_flag -$fetch_flag is a combination of the constants IBASE_TEXT and IBASE_UNIXTIME ORed together. Passing IBASE_TEXT will cause this function to return BLOB contents instead of BLOB ids. Passing IBASE_UNIXTIME will cause this function to return date/time values as Unix timestamps instead of as formatted strings. RETURN VALUES
Returns an associative array that corresponds to the fetched row. Subsequent calls will return the next row in the result set, or FALSE if there are no more rows. SEE ALSO
ibase_fetch_row(3), ibase_fetch_object(3). PHP Documentation Group IBASE_FETCH_ASSOC(3)
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