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  1. echo "Enter five digit number"
  2. read n
  3.  
  4. rev=0
  5. rem=0
  6. temp=0
  7.  
  8. while [ $n -ne 0 ]
  9. do
  10.     rem=`expr $n % 10`
  11.     temp=`expr $rev \* 10`
  12.     rev=`expr $temp + $rem`
  13.     n=`expr $n / 10`
  14. done
  15.  
  16. echo "Reverse number is $rev"
  17.  
Success #stdin #stdout #stderr 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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Enter five digit number
Reverse number is 0
stderr
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./prog.sh: line 8: [: -ne: unary operator expected
https://ideone.com/uGkmdc
language:
Bash (bash 5.0.3)
created:
3 days ago
visibility:
public

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