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#!/usr/bin/env bash | |
set -eu -o pipefail | |
removeZeroes () { | |
IFS=" " read -ra array <<< "$@" | |
declare -a ltrim=("") | |
declare -a rtrim=("") | |
tmp="" | |
length="${#array[@]}" |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# Define function to convert a number to English words | |
function num_to_words { | |
local ones=( '' one two three four five six seven eight nine ) | |
local tens=( '' '' twenty thirty forty fifty sixty seventy eighty ninety ) | |
local specials=( ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen ) | |
local num=$1 |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# initialize vars | |
allDoors=() # array | |
# check input | |
ARGC="$#" | |
if [[ "$ARGC" -ne 2 ]]; then | |
echo "Please enter two parameters: number of doors, and number of passes." |
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MONTASIO:~ andrewrich$ N=3 | |
MONTASIO:~ andrewrich$ STR="never gonna give you up" | |
MONTASIO:~ andrewrich$ for word in $STR; do echo "${word:0:$N}"; done | |
nev | |
gon | |
giv | |
you | |
up |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# initialize vars | |
ordinal='' | |
# check input | |
ARGC="$#" | |
if [[ "$ARGC" -ne 1 ]]; then | |
echo "Please enter an integer number, e.g. 123" |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# initialize vars | |
runningTotal="0" | |
# normalized grade names to point values | |
A="4" AMINUS="3.7" | |
BPLUS="3.3" B="3" BMINUS="2.7" | |
CPLUS="2.3" C="2" CMINUS="1.7" |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# substitute asterisks for all but first and last characters of string | |
obscureString () { | |
str="$1" | |
ret="${str:0:1}$( printf "%0.s*" $( seq 1 $(( ${#str}-2 )) ) )${str: -1}" | |
echo $ret | |
} |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# return true if input is a perfect square | |
isPerfectSquare () { | |
square_root=$( bc <<< "sqrt ($1)" ) | |
return $( [ $(( $square_root * $square_root )) == $1 ] ) | |
} | |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# Given a file named merry-christmas.txt that has a single integer x in it, write a script | |
# to generate a Christmas tree with asterisks (*) and output it as happy-holidays.txt. The | |
# tree should have a height of x, and if merry-christmas.txt is empty, the height should | |
# be 25 asterisks tall. | |
IN_FILE="merry-christmas.txt" | |
OUT_FILE="happy-holidays.txt" |
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
# You have to order wrapping paper for presents. Given the length, width, and height of | |
# the boxes you need to wrap, return the number of square feet (or whatever units you | |
# want) of wrapping paper you need to order. Extra credit: allow for other shapes of | |
# presents and their dimensions! | |
if [ $# -ne 3 ]; then | |
echo "$(basename $0): enter three nonzero positive integers (length, width, depth)" |