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Re-number the indices of a series of files.

renumberfile(NAME, P) renumbers the files matching NAME having an index 
following the substring P, using consecutive indices starting from 1. 
Wildcards (*) and brackets (see rdir) may be used in NAME. If P is 
present several times in a filename, uses only the last occurrence. 
renumberfile works only in the current directory (NAME cannot contain 
renumberfile(NAME, P, NEWNUM) does the same, using NEWNUM to renumber 
the files. If NEWNUM is a number, uses consecutive indices starting 
from NEWNUM. If NEWNUM is an array, uses it to renumber the files. By 
default, NEWNUM=1. 
renumberfile(NAME, P, NEWNUM, NZ) specifies the number of 0 pading the 
index (e.g., '302' paded with 5 zeros is '00302'). By default, NZ=5. 
renumberfile(NAME, P, NEWNUM, NZ, OPT), where OPT is 'dironly', 
'fileonly' or 'filedir', renumbers only the directory names, the file 
names, or both (by default), respectively. 
   If renumberfile('DSC*.JPG','DSC') is used in a directory that 
   contains 100 JPG-files with arbitrary file numbers, the files are 
   renumbered as 'DSC00001.JPG'...'DSC00100.JPG'. 
   renumberfile('DSC*.JPG','DSC',401) does the same, renumbering 
   the files as 'DSC00401.JPG'...'DSC00500.JPG'. 
   renumberfile('DSC*.JPG','DSC',1,3) does the same, renumbering 
   the files as 'DSC001.JPG'...'DSC100.JPG'. 
See Also
getfilenum, rdir, renamefile. 
Published output in the Help browser 
   showdemo renumberfile 

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