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BASH Functions and Fractals – Recursive Trees – Bash! HackerRank Solution
function lines {
[ $1 -eq 0 ] && return 0
echo '____________________________________________________________________________________________________'
lines $(( $1-1 ))
}
function l1tree {
echo \
'_________________________________1_______________________________1__________________________________
__________________________________1_____________________________1___________________________________
___________________________________1___________________________1____________________________________
____________________________________1_________________________1_____________________________________
_____________________________________1_______________________1______________________________________
______________________________________1_____________________1_______________________________________
_______________________________________1___________________1________________________________________
________________________________________1_________________1_________________________________________
_________________________________________1_______________1__________________________________________
__________________________________________1_____________1___________________________________________
___________________________________________1___________1____________________________________________
____________________________________________1_________1_____________________________________________
_____________________________________________1_______1______________________________________________
______________________________________________1_____1_______________________________________________
_______________________________________________1___1________________________________________________
________________________________________________1_1_________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1__________________________________________________'
}
function l2tree {
echo \
'_________________________1_______________1_______________1_______________1__________________________
__________________________1_____________1_________________1_____________1___________________________
___________________________1___________1___________________1___________1____________________________
____________________________1_________1_____________________1_________1_____________________________
_____________________________1_______1_______________________1_______1______________________________
______________________________1_____1_________________________1_____1_______________________________
_______________________________1___1___________________________1___1________________________________
________________________________1_1_____________________________1_1_________________________________
_________________________________1_______________________________1__________________________________
_________________________________1_______________________________1__________________________________
_________________________________1_______________________________1__________________________________
_________________________________1_______________________________1__________________________________
_________________________________1_______________________________1__________________________________
_________________________________1_______________________________1__________________________________
_________________________________1_______________________________1__________________________________
_________________________________1_______________________________1__________________________________'
}
function l3tree {
echo \
'_____________________1_______1_______1_______1_______1_______1_______1_______1______________________
______________________1_____1_________1_____1_________1_____1_________1_____1_______________________
_______________________1___1___________1___1___________1___1___________1___1________________________
________________________1_1_____________1_1_____________1_1_____________1_1_________________________
_________________________1_______________1_______________1_______________1__________________________
_________________________1_______________1_______________1_______________1__________________________
_________________________1_______________1_______________1_______________1__________________________
_________________________1_______________1_______________1_______________1__________________________'
}
function l4tree {
echo \
'___________________1___1___1___1___1___1___1___1___1___1___1___1___1___1___1___1____________________
____________________1_1_____1_1_____1_1_____1_1_____1_1_____1_1_____1_1_____1_1_____________________
_____________________1_______1_______1_______1_______1_______1_______1_______1______________________
_____________________1_______1_______1_______1_______1_______1_______1_______1______________________'
}
function l5tree {
echo \
'__________________1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1___________________
___________________1___1___1___1___1___1___1___1___1___1___1___1___1___1___1___1____________________'
}
read size
function draw {
lines 63
[ $size -eq 0 ] && return 0
[ $size -eq 1 ] && l1tree && return 0
[ $size -eq 2 ] && (l2tree && l1tree) && return 0
[ $size -eq 3 ] && (l3tree && l2tree && l1tree) && return 0
[ $size -eq 4 ] && (l4tree &&l3tree && l2tree && l1tree) && return 0
[ $size -eq 5 ] && (l5tree && l4tree && l3tree &&l2tree && l1tree) && return 0
}
draw $size | tail -n 63
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