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Top Forums Shell Programming and Scripting How to pass and read an array in ksh shell script function.? Post 303039848 by RudiC on Wednesday 16th of October 2019 09:52:24 AM
Old 10-16-2019
The first posistional parameter is NOT an array, and thus can't be indexed.


How about
Code:
verifyfiles() {  for sym ; do echo "Array in FUNCTION Contains:";     echo "$sym"; done; }
.
.
.
verifyfiles ${filelist[@]}
Array in FUNCTION Contains:
val1
Array in FUNCTION Contains:
val2
Array in FUNCTION Contains:
val3

 

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EACH(3) 								 1								   EACH(3)

each - Return the current key and value pair from an array and advance the array cursor

SYNOPSIS
array each (array &$array) DESCRIPTION
Return the current key and value pair from an array and advance the array cursor. After each(3) has executed, the array cursor will be left on the next element of the array, or past the last element if it hits the end of the array. You have to use reset(3) if you want to traverse the array again using each. PARAMETERS
o $array - The input array. RETURN VALUES
Returns the current key and value pair from the array $array. This pair is returned in a four-element array, with the keys 0, 1, key, and value. Elements 0 and key contain the key name of the array element, and 1 and value contain the data. If the internal pointer for the array points past the end of the array contents, each(3) returns FALSE. EXAMPLES
Example #1 each(3) examples <?php $foo = array("bob", "fred", "jussi", "jouni", "egon", "marliese"); $bar = each($foo); print_r($bar); ?> $bar now contains the following key/value pairs: Array ( [1] => bob [value] => bob [0] => 0 [key] => 0 ) <?php $foo = array("Robert" => "Bob", "Seppo" => "Sepi"); $bar = each($foo); print_r($bar); ?> $bar now contains the following key/value pairs: Array ( [1] => Bob [value] => Bob [0] => Robert [key] => Robert ) each(3) is typically used in conjunction with list(3) to traverse an array, here's an example: Example #2 Traversing an array with each(3) <?php $fruit = array('a' => 'apple', 'b' => 'banana', 'c' => 'cranberry'); reset($fruit); while (list($key, $val) = each($fruit)) { echo "$key => $val "; } ?> The above example will output: a => apple b => banana c => cranberry Caution Because assigning an array to another variable resets the original array's pointer, our example above would cause an endless loop had we assigned $fruit to another variable inside the loop. Warning each(3) will also accept objects, but may return unexpected results. It's therefore not recommended to iterate though object proper- ties with each(3). SEE ALSO
key(3), list(3), current(3), reset(3), next(3), prev(3), foreach, Object Iteration. PHP Documentation Group EACH(3)
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