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Full Discussion: match field between 2 files
Top Forums Shell Programming and Scripting match field between 2 files Post 302160214 by phamp008 on Monday 21st of January 2008 07:38:24 AM
Old 01-21-2008
match field between 2 files

I would like to do the following in bash shell.

file a

a:1
b:2
c:3

file b

a:work:apple
b:baby:banana
c:candy:cat
d:desk:dog

I would like to match field 1 in file a to file b, if there's a match I would like
to append field 2 in file a to field 3 in file b.

Thank you.
 

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ARRAY_SHIFT(3)								 1							    ARRAY_SHIFT(3)

array_shift - Shift an element off the beginning of array

SYNOPSIS
mixed array_shift (array &$array) DESCRIPTION
array_shift(3) shifts the first value of the $array off and returns it, shortening the $array by one element and moving everything down. All numerical array keys will be modified to start counting from zero while literal keys won't be touched. Note This function will reset(3) the array pointer of the input array after use. PARAMETERS
o $array - The input array. RETURN VALUES
Returns the shifted value, or NULL if $array is empty or is not an array. EXAMPLES
Example #1 array_shift(3) example <?php $stack = array("orange", "banana", "apple", "raspberry"); $fruit = array_shift($stack); print_r($stack); ?> The above example will output: Array ( [0] => banana [1] => apple [2] => raspberry ) and orange will be assigned to $fruit. SEE ALSO
array_unshift(3), array_push(3), array_pop(3). PHP Documentation Group ARRAY_SHIFT(3)
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