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Shell Programming and Scripting

splitting up of absolute filepath

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# 1  
Old 01-09-2007
splitting up of absolute filepath
Hi,

I am using the bash shell on suse.I need to split the absolute file path
into filename and directory path.

eg: /cas/43fg/temp/sample.txt

i want to split the above into
sample.txt(file) and /cas/43fg/temp(directory path)

I want to do this by using shell commands.Would anyone help ?
# 2  
Old 01-09-2007
A solution :
Code:
full_path=/cas/43fg/temp/sample.txt
file=$(basename $full_path)
dir=$(dirname $full_path)

Jean-Pierre.
# 3  
Old 01-10-2007
Code:
full_path=/cas/43fg/temp/sample.txt
pth=$( echo ${full_path%/*} )
file=$( echo ${full_path##/*/} )

or
Code:
full_path=/cas/43fg/temp/sample.txt
pth=$( echo $full_path | sed "s,/[^/]*$,," )
file=$( echo $full_path | sed "s,/.*/,," )

# 4  
Old 01-10-2007
MySQL
All solutions are working fine,Thank you all for your valuable comment and time.

anbu,

would you pls explain the first solution of yours.It's working fine,but i am curious to know the chemistry.So pls.
# 5  
Old 01-10-2007
Code:
pth=$( echo ${full_path%/*} )

Remove the shortest match from / to end of the input string

Code:
file=$( echo ${full_path##/*/} )

Remove the longest match /*/ from the start of the string
# 6  
Old 01-10-2007
Quote:
Originally Posted by anbu23
Code:
full_path=/cas/43fg/temp/sample.txt
pth=$( echo ${full_path%/*} )
file=$( echo ${full_path##/*/} )

Why the $(..) and the echo ?

This will work as well.
Code:
pth=${full_path%/*}
file=${full_path##/*/}

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