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Cutting a string based on the third occcurence of a character

 
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# 1  
Old 11-21-2008
Cutting a string based on the third occcurence of a character
Hello,
I am new to unix hence struggling with my requirement.
I have a string like :

ECR/CHQ/GBP/12345.out

I need to get only the ECR/CHQ/GBP portion of the string(cut the string based on the third occurrence of / )...How do it do it?

Many thanks
# 2  
Old 11-21-2008
awk and sed examples:

Code:
echo "ECR/CHQ/GBP/12345.out"| sed 's!^\([^\/]*\/[^\/]*\/[^\/]*\)\/.*!\1!'
ECR/CHQ/GBP

echo "ECR/CHQ/GBP/12345.out"| awk -F/ 'BEGIN{OFS="/"} {print $1,$2,$3}'
ECR/CHQ/GBP

# 3  
Old 11-21-2008
Many thanks
# 4  
Old 11-21-2008
Or, even easier,

echo "ECR/CHQ/GBP/12345.out" | cut -d'/' -f1,2,3
 
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