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Reading extension of files

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# 1  
Old 06-05-2009
Reading extension of files
Hi,
I need a command to read extension of files. Could anyone please help me?
# 2  
Old 06-05-2009
ls -l |grep *.tgz

this will grep for the particular extension you need.
# 3  
Old 06-05-2009
if I get your question right... then you need to read the extn of all the files? Am I correct?

If so, above code will be of less help.

You can try this:

Code:
 
var1=abcd.xyz
var2=$(echo $var1 | sed 's/.*\(.\{3\}\)$/\1/')
echo $var2

What this will to is read the last three characters of your file name[assuming that your file extn is of 3 char only]
# 4  
Old 06-05-2009
Many Thanaks,
# 5  
Old 06-05-2009
try it
abc=test.txt
ext=$(echo $abc|awk -F "\." '{print $2}')

print $ext;---> txt

If you have to cut extension from all the files, U can using loop to list out all the file names, then inside that loop , u can use it.
# 6  
Old 06-05-2009
below could be more generic.

Code:
/home->echo "myfile.tmp" | sed '/\.[^.]*$/ s/.*\.\([^.]*$\).*/\1/p'
tmp
/home->echo "myfile.tmp2" | sed '/\.[^.]*$/ s/.*\.\([^.]*$\).*/\1/p'
tmp2
/home->echo "myfile.tmp2.tmp345" | sed '/\.[^.]*$/ s/.*\.\([^.]*$\).*/\1/p'
tmp345

# 7  
Old 06-05-2009
Hi Anchal,

Can you please explain the code above.....

Thanks in advance.
Last edited by Ygor; 06-05-2009 at 05:21 AM.. Reason: Removed email address
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