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convert d/m/yyyy to YYYY-MM-DD

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Top Forums Shell Programming and Scripting convert d/m/yyyy to YYYY-MM-DD
# 8  
Old 09-10-2009
Thanks Everyone.
# 9  
Old 09-10-2009
Quote:
Originally Posted by EAGL€
Edidataguy thanx, your code seemed ok to me but it didnt work, not gave an error and it does not update the file:
Code:
server1{root}>cat date.txt 
x,x,3452,2/18/1986,abc
x,g,19711,1/24/1986,abc
server1{root}>sed 's~\([0-9]+\)/\([0-9]+\)/\([0-9]+\)~\3-\1-\2~' date.txt
x,x,3452,2/18/1986,abc
x,g,19711,1/24/1986,abc

Then change it as follows (escape the + also):
Code:
sed 's~\([0-9]\+\)/\([0-9]\+\)/\([0-9]\+\)~\3-\1-\2~' date.txt
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