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Shell Programming and Scripting

Sed to get folder name

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# 1  
Old 08-23-2006
Sed to get folder name
I need to write a shell script as follows:
1. Read the directory that contains 2 folders

> ls -ltr
total 60
drwxrwxrwx 2 abcusr abcgrp 512 Aug 01 10:31 20060801
drwxrwxrwx 2 abcusr abcgrp 512 Aug 02 10:30 20060802


2. Get the folder name with an early date (i.e. Aug 01 10:31)


I have written a script to get the first whole line of the containing the folder name, but I dont' know how to get the folder name only.

> ls -ltr | sed -n '/dr/{p;q;}'
rwxrwxrwx 2 abcusr abcgrp 512 Aug 01 10:31 20060801


Can anyone give me some advice, thx.
# 2  
Old 08-23-2006
Why not use awk? Use the '{print $NF}' command with awk.
# 3  
Old 08-24-2006
thx blowtorch. I am new in unix script. Could you mind showing me how to write the script, thx!
# 4  
Old 08-24-2006
here is another way of doing the same

Code:
ls -lrt | sed -n '/^d/{p;q;}' | sed 's/\(.*\) \(.*\)\//\2/'

# 5  
Old 08-24-2006
If I am not mistaken this is the way that blowtorch was explaining

ls -lrt | sed -n '/^d/{p;q;}' | nawk '{print $NF}'
# 6  
Old 08-24-2006
Quote:
Originally Posted by victorlung
thx blowtorch. I am new in unix script. Could you mind showing me how to write the script, thx!
How do you want to do this?
Code:
ls -ltr|awk '/^d/ {print $NF;exit}'

Code:
ls -ltr|awk 'NR==2 {print $NF}'

Code:
ls -ltr|awk '!/total/ {print $NF;exit}'

You could use any of these ways, and there are many more.
# 7  
Old 08-24-2006
torch,

either of the approach

Quote:
ls -ltr|awk 'NR==2 {print $NF}'
ls -ltr|awk '!/total/ {print $NF;exit}'
as mentioned
will display only the last column of the second line from the listing necessarily not to be a directory.. and that is not what OP had requested ...
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