shell if and or

 

• && (AND) : if [ condition1 ] && [ condition2 ]; then 

       if [ -f $src/* ] && [ -d $dest ]; then 

          echo "there are files under $src"
          cp -rf $src/* $dest/

       else
          echo " directory $dest is not found, or no files under $src" 

       fi

• || (OR) : if [ condition1 ] || [ condition2 ]; then