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Full Discussion: Renaming files by appending string from within file to filename
Top Forums UNIX for Beginners Questions & Answers Renaming files by appending string from within file to filename Post 303030606 by HLee1981 on Wednesday 13th of February 2019 01:39:25 AM
Old 02-13-2019
Thanks so much. I tried both methods and they worked. Unfortunately, I forgot to take into account that the particular field within the file where the string is extracted from the space(s) that follow it and both methods factored them in when renaming the files. Using the example filenames from before as an example, the renamed filenames read ""filename001_ABC ," "filename002_DEF ," and "filename009_XYZ " (the number of empty spaces varies). The ultimate goal is to have the filenames renamed as mentioned before but without the spaces and concluding with a specific suffix. I have tried variations of
Code:
for f in filename*; do mv "$f" `echo $f | tr ' ' '_'`; done

like
Code:
for a in filename*; do mv $a $a.edi; done

but they have been no-gos so far.
Last edited by Scrutinizer; 02-13-2019 at 03:24 AM.. Reason: Added iCode tags
 

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LEARN ABOUT PHP

rename

RENAME(3)								 1								 RENAME(3)

rename - Renames a file or directory

SYNOPSIS

       bool rename (string  $oldname, string  $newname, [resource  $context])

DESCRIPTION

	Attempts to rename $oldname to $newname, moving it between directories if necessary. If $newname exists, it will be overwritten.

PARAMETERS

	      o $oldname
		-

	      Note

		      The old name. The wrapper used in $oldname must match the wrapper used in $newname.

	      o $newname
		- The new name.

	      o $context
		-

	      Note

		     Context support was added with PHP 5.0.0. For a description of contexts, refer to "Streams".

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.3.1	|						    |
       |	|						    |
       |	| rename(3)  can  now rename files across drives in |
       |	| Windows.					    |
       |	|						    |
       | 5.0.0	|						    |
       |	|						    |
       |	| rename(3) can now also  be  used  with  some	URL |
       |	| wrappers. Refer to "Supported Protocols and Wrap- |
       |	| pers" for a listing  of  which  wrappers  support |
       |	| rename(3).					    |
       |	|						    |
       | 4.3.3	|						    |
       |	|						    |
       |	| rename(3)  may now be able to rename files across |
       |	| partitions on *nix based  systems,  provided	the |
       |	| appropriate permissions are held. Warnings may be |
       |	| generated if the destination	filesystem  doesn't |
       |	| permit chown() or chmod() system calls to be made |
       |	| on files  --	for  example,  if  the	destination |
       |	| filesystem is a FAT filesystem.		    |
       |	|						    |
       +--------+---------------------------------------------------+
EXAMPLES

       Example #1

	      Example with rename(3)

	      <?php
	      rename("/tmp/tmp_file.txt", "/home/user/login/docs/my_file.txt");
	      ?>

SEE ALSO

       copy(3), unlink(3), move_uploaded_file(3).

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