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Numbering groups of files

PostPosted: Sat Nov 12, 2011 4:59 pm
by YYYS
How to automate the process of prefixing groups of files in a directory with incremental numbers. The file names don't have a regular pattern but are sequential. Some examples and the wanted result are as illustrated below:

Original Name:
abc01.jpg
abc02.jpg
abc04.jpg
abc06.jpg
abc09.jpg
defgh03.jpg
defgh06.jpg
defgh12.jpg
jk01.jpg
jk05.jpg
jk09.jpg
jk15.jpg
lmnopq001.jpg
lmnopq003.jpg
lmnopq008.jpg
lmnopq015.jpg
lmnopq016.jpg
.
.
.
New Name:
00001-abc01.jpg
00001-abc02.jpg
00001-abc04.jpg
00001-abc06.jpg
00001-abc09.jpg
00002-defgh03.jpg
00002-defgh06.jpg
00002-defgh12.jpg
00003-jk01.jpg
00003-jk05.jpg
00003-jk09.jpg
00003-jk15.jpg
00004-lmnopq001.jpg
00004-lmnopq003.jpg
00004-lmnopq008.jpg
00004-lmnopq015.jpg
00004-lmnopq016.jpg
.
.
.
And so on, for hundreds of files in a directory. Currently I'm using BRU Numbering (10) Mode (Prefix) Pad (5), manually selecting files group by group - a rather boring and tedious task.

Thanks in anticipation!