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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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OCR4GAMERA(1)															     OCR4GAMERA(1)

NAME
ocr4gamera - OCR system using the Gamera framework USAGE
ocr4gamera -x <traindata> [options] <imagefile> OPTIONS
-v <int>, --verbosity=<int> Set verbosity level to <int>. Possible values are 0 (default): silent operation; 1: information on progress; >2: segmentation info is written to PNG files with prefix debug_. -h, --help Display help and exit. -d, --deskew Do a skew correction (recommended). -f, --filter Filter out very large (images) and very small components (noise). -a, --automatic-group Autogroup glyphs with classifier. -x <file>, --xmlfile=<file> Read training data from <file>. -o <xml>, --output=<xml> Write recognized text to file <xml> (otherwise it is written to stdout). -c <csv>, --extra_chars_csvfile=<csv> Read additional class name conversions from file <csv>. <csv> must contain one conversion per line. -R <rules>, --heuristic_rules=<rules> Apply heuristic rules <rules> for disambiguation of some chars. <rules> can be roman (default) or none (for no rules). -D, --dictionary-correction Correct words using a dictionary (requires aspell or ispell). -L <lang>, --dictionary-language=<lang> Use <lang> as language for aspell (when option -D is set). -e <int>, --edit-distance=<int> Correct words only when edit distance not more than <int>. OCR4GAMERA(1)
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