[Linux](EN) Use or pass sudo password in shell script

Process file or result of command in while loop line by line in shell script.


Environment and Prerequisite

  • Linux base system
  • Bash shell(/bin/bash)


Solution

  • Use -S option and |
echo "PASSWORD" | sudo -S apt-get update
  • Usage with file
cat << EOF > password.txt
> PASSWORD
> EOF

cat password.txt | sudo -S apt-get update


  • Use --stdin option and |
echo "PASSWORD" | sudo --stdin apt-get update
  • Usage with file
cat << EOF > password.txt
> PASSWORD
> EOF

cat password.txt | sudo --stdin apt-get update

Reference

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