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i want to delete a file

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# 1  
Old 02-07-2006
i want to delete a file
hi i am having n number of files say example
file names

1)abc_0
2)abc_1
3)abc_2
4)abc_3
5)abc_4
...
...
...
abc_n

i want delete the abc_max(n) file.i want delete the last file.please give the command for deleting abc_max record(last record)

thank you
# 2  
Old 02-07-2006
look at my reply posted below this one was really inefficient
Last edited by gauravgoel; 02-07-2006 at 07:26 AM..
# 3  
Old 02-07-2006
Code:
# !/usr/bin/ksh
val=0

for file in `ls -1 abc*`
do
curr=`echo $file | sed 's/^.*_//'`
if [ $curr -gt $val ]
then
val=$curr
fi
done

echo abc_${val}
/bin/rm abc_${val}

exit 0

>ls -1 abc*
abc_1
abc_10
abc_100
abc_100343
abc_2
abc_343

file abc_100343 would be deleted
# 4  
Old 02-07-2006
Hey man a simple solution

Quote:
ls -1r|read FILENAME
rm $FILENAME
the file with max record no. will be deleted
# 5  
Old 02-07-2006
Quote:
Originally Posted by gauravgoel
Hey man a simple solution



the file with max record no. will be deleted

this would fail if file names are of the following
abc_0346
abc_345

ls -1r abc*
abc_345
abc_0346

abc_345 would be deleted then.
# 6  
Old 02-07-2006
Quote:
Originally Posted by matrixmadhan
this would fail if file names are of the following
abc_0346
abc_345

ls -1r abc*
abc_345
abc_0346

abc_345 would be deleted then.

point taken, but it depends on the way the files are numbered.
If there can't be a file as abc_0346 then it will work. Otherwise ya it wud fail

So, srivsn look at the input then use the script.

Cheers,
Gaurav
# 7  
Old 02-07-2006
Quote:
Originally Posted by srivsn
hi i am having n number of files say example
file names

1)abc_0
2)abc_1
3)abc_2
4)abc_3
5)abc_4
...
...
...
abc_n

i want delete the abc_max(n) file.i want delete the last file.please give the command for deleting abc_max record(last record)

thank you

this was the request,

val of n could be with a preceding 0 or not

and gaurav ur solution would work absolutely fine for n where there are no preceding zeroes.
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