Shell Programming and Scripting

Code:

# awk '{s=gensub("[^0-9]*([0-9][0-9]*).*","\\1",$0);print s,$0}' infile|sort -n|awk '{print $2}'

@ygemici, that will not work for file names with spaces and/or with multiple number sequences in them... gensub is gawk only..

Code:

# awk '{x=$0;gsub("[^0-9]"," ");print $NF,x}' infile|sort -n|awk '{$1="";sub(" ","")}1'

Yup that would not have those shortcomings I think

Thanks again for your help!!!

I tried with severl filenames but I encountered one problem!

With these files:


03_000a.jpg
03_000b.jpg
03_000c.jpg
03_001.png
03_002.png
03_003.png
03_004-005.png
03_006.png
03_007.png
03_008.png
03_009.png
03_010.png
Credits10.png
Credits11.png



I get this sorting:

03_000a.jpg
03_000b.jpg
03_000c.jpg
03_001.png
03_002.png
03_003.png
03_004-005.png
03_006.png
03_007.png
03_008.png
03_009.png
03_010.png
Credits10.png
03_011.png
Credits11.png
03_012.png
03_013.png

Because of this problem (first numbers are the sorting order).

000 03_000a.jpg
000 03_000b.jpg
000 03_000c.jpg
001 03_001.png
002 03_002.png
003 03_003.png
005 03_004-005.png
006 03_006.png
007 03_007.png
008 03_008.png
009 03_009.png
010 03_010.png
011 03_011.png
012 03_012.png
013 03_013.png
10 Credits10.png
11 Credits11.png

I think the problem is that filenames aren't consistent in this folder.
Is it possible to reproduce the "sort by name" windows option?

Thanks again!!



EDIT: probably here is a solution:

1) get a column of every first character using

Code:

sed 's/\(.\{1\}\).*/\1/' file1

2) get a column of incremental numbers just like I already do using

Code:

sed 's/.*[^0-9]\([0-9][0-9]*\)[^0-9]*$/\1 &/' file2

(although I need to get only the first column)
3) sort the lines using two keys: first one should be file1, second one should be file2

this way, I can sort twice, once alphabetically, then, keeping the first sorting result, using incremental numbers from files name...
I think this should work, but I don't know how to do it...

Do you know perl...because with perl you can split and store filenames in a hash array and sort them using either the key which can be the name...or the value which would be the numeric part of the filename or on both the key and value...so you have a lot of options to play with in perl...