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Top Forums Shell Programming and Scripting Construct Array from String seperated by different whitespaces Post 303038949 by mohtashims on Wednesday 18th of September 2019 06:45:02 AM
Old 09-18-2019
I tried your suggestion and it does not yeild any output. However, the tr command helps reconstruct the variable to have a single space only.

The challenge remains of how to get the first two words seperated by single space get stored as first array element and then the rest of the words as subsiquent array elements.

Code:
$ IFS=$' ' read -ra my_array <<<"2019-09-11 15:17:55 CR1234 anonymous       Deployed        DR_only        Back_APP" 
$ echo $?
0
$ echo "2019-09-11 15:17:55 CR1234 anonymous       Deployed        DR_only        Back_APP" |  tr -s " "
2019-09-11 15:17:55 CR1234 anonymous Deployed DR_only Back_APP

 

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SPLITI(3)								 1								 SPLITI(3)

spliti - Split string into array by regular expression case insensitive

SYNOPSIS
array spliti (string $pattern, string $string, [int $limit = -1]) DESCRIPTION
Splits a $string into array by regular expression. This function is identical to split(3) except that this ignores case distinction when matching alphabetic characters. Warning This function has been DEPRECATED as of PHP 5.3.0. Relying on this feature is highly discouraged. PARAMETERS
o $pattern - Case insensitive regular expression. If you want to split on any of the characters which are considered special by regular expressions, you'll need to escape them first. If you think spliti(3) (or any other regex function, for that matter) is doing something weird, please read the file regex.7, included in the regex/ subdirectory of the PHP distribution. It's in manpage for- mat, so you'll want to do something along the lines of man /usr/local/src/regex/regex.7 in order to read it. o $string - The input string. o $limit - If $limit is set, the returned array will contain a maximum of $limit elements with the last element containing the whole rest of $string. RETURN VALUES
Returns an array of strings, each of which is a substring of $string formed by splitting it on boundaries formed by the case insensitive regular expression $pattern. If there are n occurrences of $pattern, the returned array will contain n+1 items. For example, if there is no occurrence of $pattern, an array with only one element will be returned. Of course, this is also true if $string is empty. If an error occurs, spliti(3) returns FALSE. EXAMPLES
This example splits a string using 'a' as the separator : Example #1 spliti(3) example <?php $string = "aBBBaCCCADDDaEEEaGGGA"; $chunks = spliti ("a", $string, 5); print_r($chunks); ?> The above example will output: Array ( [0] => [1] => BBB [2] => CCC [3] => DDD [4] => EEEaGGGA ) NOTES
Note As of PHP 5.3.0, the regex extension is deprecated in favor of the PCRE extension. Calling this function will issue an E_DEPRECATED notice. See the list of differences for help on converting to PCRE. Tip spliti(3) is deprecated as of PHP 5.3.0. preg_split(3) with the i ( PCRE_CASELESS) modifier is the suggested alternative. SEE ALSO
preg_split(3), split(3), explode(3), implode(3). PHP Documentation Group SPLITI(3)
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