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Sort based on filenames

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# 1  
Old 06-07-2011
Sort based on filenames
Hi All,
When i give ls -ltr my filenames looks like this:

Filename Pattern: Abc_Def_mmddyyyyHHmm.csv

Code:
$ ls -ltr
Jun 05 04:30 Abc_Def_060520111245.csv
Jun 05 08:40 Abc_Def_071220121458.csv
Jun 06 03:30 Abc_Def_071220111458.csv
Jun 06 04:25 Abc_Def_060620110439.csv
Jun 07 04:37 Abc_Def_060720111016.csv

Please Let me how to sort files based on filename's datestamp mmddyyyyHHmm present.

O/p: I want to display filenames as below.
Code:
Abc_Def_060520111245.csv
Abc_Def_060620110439.csv
Abc_Def_060720111016.csv
Abc_Def_071220111458.csv
Abc_Def_071220121458.csv


THanks in Advance
Last edited by pludi; 06-07-2011 at 07:40 AM..
# 2  
Old 06-07-2011
try..

Code:
$ ls Abc_Def* | sort -t'_' -k3.5,3.8 -k3.3,3.4 -k3.1,3.2 -k3.9,3.10 -k3.11,3.12
Abc_Def_071220101458.csv
Abc_Def_060520111245.csv
Abc_Def_060620110439.csv
Abc_Def_060720111016.csv
Abc_Def_071220111458.csv
Abc_Def_071220121458.csv
$

# 3  
Old 06-07-2011
without using -t'_' cant it be sorted?
bcoz sometime i may get files as:
Abc_Def_ghi_091220101458.csv
jkl_pqr_trt_081220101458.csv
# 4  
Old 06-07-2011
Hi -t he used as delimeter, I assume if your file will never have other than time stamp as number then u can very well use the same command or below are other options as well

Code:
Ascending and Descending orders....
$ nawk '{print $NF|"sort -n"}' file
Abc_Def_060520111245.csv
Abc_Def_060620110439.csv
Abc_Def_060720111016.csv
Abc_Def_071220111458.csv
Abc_Def_071220121458.csv
 
$ nawk '{print $NF|"sort -nr"}' /tmp/inpu
Abc_Def_071220121458.csv
Abc_Def_071220111458.csv
Abc_Def_060720111016.csv
Abc_Def_060620110439.csv
Abc_Def_060520111245.csv

# 5  
Old 06-08-2011
Thanks for your reply... For the above example the logic is working, but for the below example I'm facing the same problem:

Code:
$ ls -C1 Market_Priority*
MP_040420102130.csv
MP_AB_060820101450.csv
MP_060820111230.csv
MP_CD_DE_080320101230.csv

$ ls -C1 Market_Priority* |nawk '{print $NF|"sort -n"}'
MP_040420102130.csv
MP_AB_060820101450.csv
MP_060820111230.csv
MP_CD_DE_080320101230.csv

My O/p should look like this:
Code:
MP_040420102130.csv
MP_AB_060820101450.csv
MP_CD_DE_080320101230.csv
MP_060820111230.csv

Thanks in Advance,
Last edited by Franklin52; 06-08-2011 at 04:02 AM.. Reason: Please use code tags
# 6  
Old 06-08-2011
Try this..

Code:
 ls -lrt Abc_Def* | sort -n

# 7  
Old 06-08-2011
Code:
#!/usr/bin/perl -w

@files = <>;

@for_sort = ();

for (@files) {
    chomp;
    $temp = $_;
    s/\D*(\d+)\.csv/$1/;
    push @for_sort, [$_, $temp];
}

print "$_\n" for map { $_->[1] } sort { $a->[0] cmp $b->[0] } @for_sort;

Code:
% cat testfile
MP_040420102130.csv
MP_AB_060820101450.csv
MP_CD_DE_080320101230.csv
MP_060820111230.csv

% perl sort.pl testfile
MP_040420102130.csv
MP_AB_060820101450.csv
MP_060820111230.csv
MP_CD_DE_080320101230.csv
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