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Full Discussion: Replace string and create new file multiple times
Top Forums UNIX for Dummies Questions & Answers Replace string and create new file multiple times Post 302974117 by RudiC on Wednesday 25th of May 2016 04:28:04 PM
Old 05-25-2016
Quote:
Originally Posted by pseudo.seppuku
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a different letter prefix for each set, i.e., a001..a300.txt and b001..b300.txt. I only want the numbers starting with a to increase without changing b. Where should I specify/add this prefix?

In other words, the actual lines look more like this:

Code:
-file1 a001.txt -file2 b001.txt -outputx xa001b001 -outputy ya001b001
-file1 a001.txt -file2 b002.txt -outputx xa001b002 -outputy ya001b002
-file1 a001.txt -file2 b003.txt -outputx xa001bl003 -outputy ya001b003

As you can see, the current script would change the numbers for a (as intended) but also the corresponding number for b.
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Not sure I get it - do you want the "a" numbers modified in the the file, or work on the file names starting with "a" only? I case of the former, try gsub (/a001/, "a" TCNT, T), in case of the latter, try a*.txt for the file name parameter.
 

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LEARN ABOUT PHP

mb_eregi_replace

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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