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Full Discussion: Debian, string in string.
Top Forums Shell Programming and Scripting Debian, string in string. Post 303027303 by apmcd47 on Thursday 13th of December 2018 06:03:17 AM
Old 12-13-2018
Using an interim variable:
Code:
ngroups=${groups#* }                                         # remove the prefix
[[ ,${ngroups// /}, == *,dialout,* ]] && echo yes || echo no # remove all other spaces; add , to beginning & end

You can use if instead of the && ... || construct I used above. Or you can put it in MadeInGermany's case statement:
Code:
case ,${ngroups// /}, in (*,dialout,*) echo "true";; esac

Andrew
 

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NL2BR(3)								 1								  NL2BR(3)

nl2br - Inserts HTML line breaks before all newlines in a string

SYNOPSIS
string nl2br (string $string, [bool $is_xhtml = true]) DESCRIPTION
Returns $string with '<br />' or '<br>' inserted before all newlines ( , , and ). PARAMETERS
o $string - The input string. o $is_xhtml - Whether to use XHTML compatible line breaks or not. RETURN VALUES
Returns the altered string. EXAMPLES
Example #1 Using nl2br(3) <?php echo nl2br("foo isn't bar"); ?> The above example will output: foo isn't<br /> bar Example #2 Generating valid HTML markup using the $is_xhtml parameter <?php echo nl2br("Welcome This is my HTML document", false); ?> The above example will output: Welcome<br> This is my HTML document Example #3 Various newline separators <?php $string = "This is a string "; echo nl2br($string); ?> The above example will output: This<br /> is<br /> a<br /> string<br /> CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.0 | | | | | | | Added the optional $is_xhtml parameter. Before | | | this version '<br />' was always inserted. | | | | +--------+---------------------------------------------------+ SEE ALSO
htmlspecialchars(3), htmlentities(3), wordwrap(3), str_replace(3). PHP Documentation Group NL2BR(3)
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