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Top Forums Shell Programming and Scripting Save output of updated csv file as csv file itself Post 302939830 by refrain on Monday 30th of March 2015 01:26:13 AM
Old 03-30-2015
Save output of updated csv file as csv file itself

Hi, all

I want to sort a csv file based on timestamp from oldest to newest and save the output as csv file itself. Here is an example of my csv file.

test.csv
Code:
SourceFile,DateTimeOriginal
/home/intannf/foto/IMG_0739.JPG,2015:02:17 11:32:21
/home/intannf/foto/IMG_0749.JPG,2015:02:17 11:37:28
/home/intannf/foto/IMG_0759.JPG,2015:02:17 11:49:09
/home/intannf/foto/IMG_0771.JPG,2015:02:17 11:51:22
/home/intannf/foto/IMG_0745.JPG,2015:02:17 11:36:01
/home/intannf/foto/IMG_0763.JPG,2015:02:17 11:49:45
/home/intannf/foto/IMG_0666 (1).JPG,2015:02:17 09:59:48
/home/intannf/foto/IMG_0782.JPG,2015:02:17 11:54:16
/home/intannf/foto/IMG_0750.JPG,2015:02:17 11:37:29
/home/intannf/foto/IMG_0762.JPG,2015:02:17 11:49:24
/home/intannf/foto/IMG_0752.JPG,2015:02:17 11:37:40
/home/intannf/foto/IMG_0684.JPG,2015:02:17 10:54:51
/home/intannf/foto/IMG_0687.JPG,2015:02:17 10:56:43
/home/intannf/foto/IMG_0777.JPG,2015:02:17 11:53:43
/home/intannf/foto/IMG_0756.JPG,2015:02:17 11:45:21
/home/intannf/foto/IMG_0746.JPG,2015:02:17 11:37:18
/home/intannf/foto/IMG_0743.JPG,2015:02:17 11:34:26

Output required
Code:
SourceFile,DateTimeOriginal
/home/intannf/foto/IMG_0666 (1).JPG,2015:02:17 09:59:48
/home/intannf/foto/IMG_0684.JPG,2015:02:17 10:54:51
/home/intannf/foto/IMG_0687.JPG,2015:02:17 10:56:43
/home/intannf/foto/IMG_0739.JPG,2015:02:17 11:32:21
/home/intannf/foto/IMG_0743.JPG,2015:02:17 11:34:26
/home/intannf/foto/IMG_0745.JPG,2015:02:17 11:36:01
/home/intannf/foto/IMG_0746.JPG,2015:02:17 11:37:18
/home/intannf/foto/IMG_0749.JPG,2015:02:17 11:37:28
/home/intannf/foto/IMG_0750.JPG,2015:02:17 11:37:29
/home/intannf/foto/IMG_0752.JPG,2015:02:17 11:37:40
/home/intannf/foto/IMG_0756.JPG,2015:02:17 11:45:21
/home/intannf/foto/IMG_0759.JPG,2015:02:17 11:49:09
/home/intannf/foto/IMG_0762.JPG,2015:02:17 11:49:24
/home/intannf/foto/IMG_0763.JPG,2015:02:17 11:49:45
/home/intannf/foto/IMG_0771.JPG,2015:02:17 11:51:22
/home/intannf/foto/IMG_0777.JPG,2015:02:17 11:53:43
/home/intannf/foto/IMG_0782.JPG,2015:02:17 11:54:16

and this is my script:
Code:
sort --field-separator=',' --key=2 -n test.csv > test.csv

Unfortunately, when i checked them out, there is no data in the test.csv. It is blank. Or it should be saved as another csv file? But i need to save it as csv file itself.

Please help me how to solve it. Thanks in advance.

Regards,
Intan
 

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Mojo::Home(3pm) 					User Contributed Perl Documentation					   Mojo::Home(3pm)

NAME
Mojo::Home - Detect and access the project root directory in Mojo SYNOPSIS
use Mojo::Home; my $home = Mojo::Home->new; $home->detect; DESCRIPTION
Mojo::Home is a container for home directories. ATTRIBUTES
Mojo::Home implements the following attributes. "app_class" my $class = $home->app_class; $home = $home->app_class('Foo::Bar'); Application class. METHODS
Mojo::Home inherits all methods from Mojo::Base and implements the following new ones. "new" my $home = Mojo::Home->new; my $home = Mojo::Home->new('/home/sri/myapp'); Construct a new Mojo::Home object. "detect" $home = $home->detect; $home = $home->detect('My::App'); Detect home directory from the value of the "MOJO_HOME" environment variable or application class. "lib_dir" my $path = $home->lib_dir; Path to "lib" directory of application. "list_files" my $files = $home->list_files; my $files = $home->list_files('foo/bar'); Portably list all files recursively in directory relative to the home diectory. $home->rel_file($home->list_files('templates/layouts')->[1]); "mojo_lib_dir" my $path = $home->mojo_lib_dir; Path to "lib" directory in which Mojolicious is installed. "parse" $home = $home->parse('/home/sri/myapp'); Parse home directory. "rel_dir" my $path = $home->rel_dir('foo/bar'); Portably generate an absolute path for a directory relative to the home directory. "rel_file" my $path = $home->rel_file('foo/bar.html'); Portably generate an absolute path for a file relative to the home directory. "slurp_rel_file" my $string = $home->slurp_rel_file('foo/bar.html'); Portably read all data at once from file relative to the home directory. my $content = $home->slurp_rel_file($home->list_files('public')->[1]); "to_string" my $string = $home->to_string; my $string = "$home"; Home directory. SEE ALSO
Mojolicious, Mojolicious::Guides, <http://mojolicio.us>. perl v5.14.2 2012-09-05 Mojo::Home(3pm)
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