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Top Forums Shell Programming and Scripting Find/replace alpha characters in string Post 302932455 by goodbenito on Wednesday 21st of January 2015 03:43:34 PM
Old 01-21-2015
That is a really nice solution, but it applies to an input text file. In my script, each of those lines is a variable in a loop. I do this so I can place the output of the sed command as a new variable. So for example:

Code:
cat dirlist | while read line
do
name="563MS663_100-101_afp_200_screening" (this value is actually derived using another function, I don't actually hard code it into $name like this)
newname="sed function on $name to replace alpha chars with x's"
done

Can you breakdown the sed command for me so I can try to adapt it?

Many thanks!
 

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MB_EREGI_REPLACE(3)							 1						       MB_EREGI_REPLACE(3)

mb_eregi_replace - Replace regular expression with multibyte support ignoring case

SYNOPSIS
string mb_eregi_replace (string $pattern, string $replace, string $string, [string $option = "msri"]) DESCRIPTION
Scans $string for matches to $pattern, then replaces the matched text with $replacement. PARAMETERS
o $pattern - The regular expression pattern. Multibyte characters may be used. The case will be ignored. o $replace - The replacement text. o $string - The searched string. o $option -$option has the same meaning as in mb_ereg_replace(3). RETURN VALUES
The resultant string or FALSE on error. NOTES
Note The internal encoding or the character encoding specified by mb_regex_encoding(3) will be used as the character encoding for this function. Warning Never use the e modifier when working on untrusted input. No automatic escaping will happen (as known from preg_replace(3)). Not taking care of this will most likely create remote code execution vulnerabilities in your application. SEE ALSO
mb_regex_encoding(3), mb_ereg_replace(3). PHP Documentation Group MB_EREGI_REPLACE(3)
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