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Top Forums Shell Programming and Scripting Inserting variable values in filename Post 302776939 by CAch on Thursday 7th of March 2013 06:28:49 AM
Old 03-07-2013
Inserting variable values in filename

Hi All,

I have a directory containing multiple files.
and also a txt file which contains the list of all filenames and certain values.

I want to read the text file line by line and if its 2nd column is matched with the filename in directory, then it must insert the values in 7th column to the filename.

ex: DIR [ a.txt
b.txt
c.txt]

filenamelist.txt
Code:
assa  dsad werr vdss a.txt is 2.4
assa  dsad werr vdss b.txt is 3.2
assa  dsad werr vdss c.txt is 4.3

result required in DIR :
Code:
a_2.4
b_3.2
c_4.3


Last edited by Scrutinizer; 03-07-2013 at 07:48 AM.. Reason: code tags
 

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GLOB(3) 								 1								   GLOB(3)

glob - Find pathnames matching a pattern

SYNOPSIS
array glob (string $pattern, [int $flags]) DESCRIPTION
The glob(3) function searches for all the pathnames matching $pattern according to the rules used by the libc glob() function, which is similar to the rules used by common shells. PARAMETERS
o $pattern - The pattern. No tilde expansion or parameter substitution is done. o $flags - Valid flags: o GLOB_MARK - Adds a slash to each directory returned o GLOB_NOSORT - Return files as they appear in the directory (no sorting). When this flag is not used, the pathnames are sorted alphabetically o GLOB_NOCHECK - Return the search pattern if no files matching it were found o GLOB_NOESCAPE - Backslashes do not quote metacharacters o GLOB_BRACE - Expands {a,b,c} to match 'a', 'b', or 'c' o GLOB_ONLYDIR - Return only directory entries which match the pattern o GLOB_ERR - Stop on read errors (like unreadable directories), by default errors are ignored. RETURN VALUES
Returns an array containing the matched files/directories, an empty array if no file matched or FALSE on error. Note On some systems it is impossible to distinguish between empty match and an error. CHANGELOG
+--------+--------------------+ |Version | | | | | | | Description | | | | +--------+--------------------+ | 5.1.0 | | | | | | | | | | GLOB_ERR was added | | | | +--------+--------------------+ EXAMPLES
Example #1 Convenient way how glob(3) can replace opendir(3) and friends. <?php foreach (glob("*.txt") as $filename) { echo "$filename size " . filesize($filename) . " "; } ?> The above example will output something similar to: funclist.txt size 44686 funcsummary.txt size 267625 quickref.txt size 137820 NOTES
Note This function will not work on remote files as the file to be examined must be accessible via the server's filesystem. Note This function isn't available on some systems (e.g. old Sun OS). Note The GLOB_BRACE flag is not available on some non GNU systems, like Solaris. SEE ALSO
opendir(3), readdir(3), closedir(3), fnmatch(3). PHP Documentation Group GLOB(3)
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