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Shell Programming and Scripting

Trim String

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# 1  
Old 02-19-2013
Trim String
Hi,

I wish to grep everything before the last "/bin" in the following string

Code:
/opt/app/bin/app1/jdk150_07/bin/IA64N/java

Desired output: "/opt/app/bin/app1/jdk150_07"

Kindly help ...
# 2  
Old 02-19-2013
Code:
sed -n 's/\(.*\)\/bin.*/\1/p'

This looks a tad cleaner:
Code:
sed -n 's#\(.*\)/bin.*#\1#p'

# 3  
Old 02-19-2013
You could also use shell parameter expansion for this:
Code:
bash-2.03$ s=/opt/app/bin/app1/jdk150_07/bin/IA64N/java
bash-2.03$ printf '%s\n' "${s%/bin*}"
/opt/app/bin/app1/jdk150_07

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