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How to delete trailing zeros from a variable

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# 1  
Old 05-23-2007
How to delete trailing zeros from a variable
Hi All
I want to delete trailing zeros from varible.
ex:
if variable value is 1234.567000 result as 1234.567
if variable has 1234.0000 result as 1234
if variable as abcd.fgh result as abcd.fgh

Can somone give me a solution using awk?
# 2  
Old 05-23-2007
Code:
$ echo 1234.567000  | awk ' sub("\\.*0+$","") '
1234.567
$
$ echo 1234.000  | awk ' sub("\\.*0+$","") '
1234

# 3  
Old 05-23-2007
Thx
Thx a lot is thr any way adding check that if it is a float den remove trailing zeros ?
# 4  
Old 05-23-2007
i tried with above solution bt if variable has 1234 den it is returning null bt i want as 1234 it self
# 5  
Old 05-23-2007
Quote:
Originally Posted by Chandu2u
i tried with above solution bt if variable has 1234 den it is returning null bt i want as 1234 it self
Code:
$ echo 1234  | awk ' { sub("\\.*0+$","");print} '
1234

# 6  
Old 05-23-2007
Thx ...its working fine now ... bt i am unable to store the result in variable if i redirecting to file it is working fine ... y is it so??

Result= `echo $value | awk ' { sub("\\.*0+$","");print} '` # Not working

echo $value | awk ' { sub("\\.*0+$","");print} ' > File # working
# 7  
Old 05-23-2007
it is failing for below value
echo 4000 | awk ' { sub("\\.*0+$","");print} '

getting result as 4
i want it as 4000 ... plz help me on this
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