fork download
copy 
  1. #!/bin/bash
  2. # your code goes here#!/bin/bash
  3.  
  4. echo "enter a number"
  5. read n
  6.  
  7. if [ "$n" -lt 0 ]; then
  8.   echo "factorial is not defined for negative numbers"
  9.   exit 1
  10. fi
  11.  
  12. fact=1
  13. i="$n"
  14.  
  15. while [ "$i" -gt 1 ]; do
  16.   fact=$((fact * i))
  17.   i=$((i - 1))
  18. done
  19.  
  20. echo "the factorial of the given number is $fact"
Success #stdin #stdout #stderr 0.01s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
enter a number
the factorial of the given number is 1
stderr
copy 
./prog.sh: line 7: [: : integer expression expected
./prog.sh: line 15: [: : integer expression expected
https://ideone.com/mGYKFh
language:
Bash (bash 5.0.3)
created:
3 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!