Ifs bash

If statement in shell script

  if [ "$result" == "1" ]
    then 
      echo "test" >> /home/samurai/test.txt
    fi
    

    
    if [[ "$result" -eq "1" ]]
    then 
      echo "test" >> /home/samurai/test.txt
    fi

Bash if in terminal

if [[ $- == *i* ]]; then
    do_interactive_stuff
fi

Ifs bash

IFS stands for "Internal Field Separator". 
It is used by the shell to determine how to do word splitting.

Source: unix.stackexchange.com

Linux bash if else

if [[ condition ]]
then
  <execute command>
else
  <execute another command>
fi

-1

Source: devconnected.com

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