script to change the date format in a file


 
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# 1  
Old 06-09-2008
script to change the date format in a file

i have many files with date format of 6-9-2008 and i want a script that can change the format to 2008-06-09

Thanks
# 2  
Old 06-10-2008
Unless you provide an example of one or more of the files, it is difficult for anybody to help you.
# 3  
Old 06-10-2008
Hi

echo "6-9-2008" | sed 's/\(.\)-\(.\)-\(.*\)/\3-0\2-0\1/g'

It would be nice if u provide one file as an example as fpmurphy suggested.


Thanks
Penchal
# 4  
Old 06-10-2008
Here are few examples

NO1A_iCP0041 52 6-9-2008 11 11 8
8


NO1A_iCP0041 52 6-11-2008 11 11 8 8



NO1A_iCP0041 52 9-20-2008 11 11
8 8


The dates are in M-D-YYYY format, I am trying to get it in a YYYY-MM-DD


Thanks
# 5  
Old 06-10-2008
Given this input file:

Code:
NO1A_iCP0041 52 6-9-2008 11 11 8 8
NO1A_iCP0041 52 6-11-2008 11 11 8 8
NO1A_iCP0041 52 9-20-2008 11 11 8 8

Try:
Code:
awk '{ split($3, d, "-"); $3=sprintf("%04d-%02d-%02d", d[3], d[1], d[2]); print }' input_file.txt

# 6  
Old 06-10-2008
Quote:
Originally Posted by robotronic
Given this input file:

Code:
NO1A_iCP0041 52 6-9-2008 11 11 8 8
NO1A_iCP0041 52 6-11-2008 11 11 8 8
NO1A_iCP0041 52 9-20-2008 11 11 8 8

Try:
Code:
awk '{ split($3, d, "-"); $3=sprintf("%04d-%02d-%02d", d[3], d[1], d[2]); print }' input_file.txt


What would i change when the data is pipe delimted

example

NO1A_iCP0041|52|11|11|8|8|6-9-2008
NO1A_iCP0041|52|11|11|8|8|6-11-2008
NO1A_iCP0041|11|11|8|8||52 9-20-2008

Thanks for the help
# 7  
Old 06-10-2008
Quote:
Originally Posted by shehzad_m
What would i change when the data is pipe delimted

example

NO1A_iCP0041|52|11|11|8|8|6-9-2008
NO1A_iCP0041|52|11|11|8|8|6-11-2008
NO1A_iCP0041|11|11|8|8||52 9-20-2008



Thanks for the help
also couple files like these

12|kenneth.ludlam@yahoo.com|Boston|iVPUd|MPDD|2-10-2007|2-11-2007|
12|kenneth.ludlam@yahoo.com|Boston|iVPUd|MPDD|12-9-2007|12-9-2007|
12|kenneth.ludlam@yahoo.com|Boston|iVPUd|MPDD|2-2-2007|2-2-2007|
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