mirror of https://github.com/01-edu/public.git
MSilva95
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|
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Indonesia consists only of islands - 13,667 total |
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During World War II, the very first bomb dropped on Berlin by the Allies killed the only elephant in the Berlin Zoo |
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People who ride on roller coasters have a higher chance of having a blood clot in the brain |
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The tallest freestanding sculpture in the world is Chief Crazy Horse in South Dakota, USA |
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning |
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898 tornadoes were recorded to have occurred in the United States in the year 2000. |
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The word Popcorn is derived from the middle English word "poppe," which means "explosive sound" |
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The food that is digested in your stomach is called "chyme." |
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Alcohol beverages have all 13 minerals necessary for human life |
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The sentence "The quick brown fox jumps over the lazy dog." uses every letter in the alphabet. (Developed by Western Union to Test telex/twxcommunications) |
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The word housekeeping was invented by Shakespeare |
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The only two days of the year in which there are no professional sports games (MLB, NBA, NHL, or NFL) are the day before and the day after theMajorLeague All-Star Game. |
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In the great fire of London in 1666 half of London was burnt down but only 6 people were injured |
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Lack of sleep can affect your immune system and reduce your ability to fight infections |
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All dogs are the descendant of the wolf. These wolves lived in eastern Asia about 15,000 years ago |
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It is not possible to tickle yourself. The cerebellum, a part of the brain, warns the rest of the brain that you are about to tickle yourself. Since your brain knows this, it ignores the resulting sensation |
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Parma ham is only Parma ham if it is made in the Parma region of Italy. The British chain supermarket Asda, made and packaged its own "Parma ham" and was successfully sued by the real Parma ham people (Parma Ham Trade Association) |
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With winds of 50 miles per hour, The Statue of Liberty sways three inches and the torch sways five inches |
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A famous bullfighter, Lagarijo, killed 4,867 bulls in the 19th century. |
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Police detectives have used snapping turtles to help them locate dead bodies |
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In most advertisements, including newspapers, the time displayed on a watch is 10:10 |
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The national sport of Japan is sumo wrestling |
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The early occurrence of a fetus yawning is at eleven weeks after conception |
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In a month, a fingernail grows an eighth of an inch |
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Edward VIII did not officially become the King of England as he abdicated the throne to marry an American divorcee |
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The book "Little Red Riding Hood" was banned in 1990 by two school districts in California. They did this because in the book there was a picture of a basket that had a bottle of wine in it |
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The reason why golf balls have dimples on them is because it helps in the ball to move a farther distance by reducing drag |
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Americans consume the most peanut butter in the world |
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Celtic warriors sometimes fought their battles naked, their bodies dyed blue from head to toe |
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To make butter more attractive in color, carrot juice was used by people in the Middle Ages |
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Early hockey games allowed as many as 30 players a side on the ice |
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Most fleas do not live past a year old |
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It takes seven to ten days to make a jelly belly jellybean |
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Some asteroids have other asteroids orbiting them |
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Maine is the only state whose name is just one syllable |
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The male praying mantis cannot copulate while its head is attached to its body. The female initiates sex by ripping the males head off |
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There is enough concrete in the Hoover Dam to pave a two lane highway from San Francisco to New York |
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Americans on the average eat 18 acres of pizza every day |
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Every 238 years, the orbits of Neptune and Pluto change making Neptune at times the farthest planet from the sun |
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There is a certain species of kangaroo that is only 2.5 centimeters long when it is born |
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In a lifetime, the average house cat spends approximately 10,950 hours purring |
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The real name of Toto the dog in "The Wizard Of Oz" was Terry |
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin |
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It takes 12 honeybees to make one teaspoon of honey |
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Thomas Watson, who was the chairman of IBM in 1943 predicted that their would probably only be a world market for five computers. |
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The largest hamburger cooked in the world weighed in at 6,040 pounds |
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The first lighthouse was in Alexandria in 290 B.C |
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Heinz first started making ketchup in 1876 and the recipe has remained the same ever since |
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The largest wedding chapel in Las Vegas is the Viva Las Vegas Chapel, which can seat 100 people |
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The most popular name for a pet in the United States is Max |
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Spiral staircases in medieval castles are running clockwise. This is because all knights used to be right-handed. When the intruding army would climb the stairs they would not be able to use their right hand which was holding the sword because of the difficulties of climbing the stairs. Left-handed knights would have had no troubles, except left-handed people could never become knights because it was assumed that they were descendants of the devil |
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The largest shopping mall in the world is the West Edmonton Mall located in Edmonton, Alberta, Canada |
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The CN Tower located in Toronto, Ontario Canada took a total construction time of 40 months to complete at an original cost of $63 million |
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The 20th president of the United States, James Garfield, was able to write Greek with one hand and Latin with the other at the same time |
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The country of Andorra has a zero percent unemployment rate |
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In Los Angeles, there are fewer people than there are automobiles |
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A woman has approximately 4.5 litres of blood in her body, while men have 5.6 litres |
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In India, pickled ginger, minced mutton and a cottage cheese like substance are popular pizza toppings |
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Oral-B were the first toothbrushes to go to the moon when they were aboard the Apollo 11 mission |
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A maple tree is usually tapped when the tree is at least 45 years old and has a diameter of 12 inches |
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In 1998, a law passed in the U.S. state of Virginia allows drivers to keep their road kill, as long as they report it within 12 hours. updated |
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A language becomes extinct in this world every two weeks |
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An acre of trees can remove about 13 tons of dust and gases every year from the surrounding environment |
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The decomposition point of Olive Oil is 220 degrees Celsius |
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Ten radishes only contain eight calories |
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Annually a thousand people are killed by scorpions in Mexico |
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Every year, 100 million sharks are killed by people |
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Tug of war was an Olympic event from 1900-1920 |
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Of all the countries, Brazil has the most plant species, with over 56,000 |
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One female mouse can produce up to 100 babies a year |
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Impotence is grounds for divorce in 26 U.S. states |
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Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels. |
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The average lifespan of a human taste bud is ten days |
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The monogram "RR" for Rolls-Royce has never been altered, except for when Sir Henry Royce passed away in 1933. Then it was changed from red to black. |
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People with darker skin will not wrinkle as fast as people with lighter skin |
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Fido means faithful in Latin |
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Pebbles cereal was actually named after the shape of the cereal and not the Pebbles Flintstone character |
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A group of kangaroos is called a mob |
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Cat's urine glows under a blacklight. |
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Every three seconds, a new baby is born |
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More than 260,000 people have been killed by volcanic activity since 1700 AD. |
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The only predator that polar bears have are humans |
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Many insects can carry 50 times their own body weight |
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The last land battle of the U.S. Civil War was fought in Texas |
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Annually 7 million tons of textiles and clothing is thrown out. Out of this, only 12% is used again or recycled |
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A scorpion can have up to 12 eyes |
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A snake charmer in Bangladesh once found 3,500 poisonous cobras and their eggs hidden underneath the floors of two suburban homes |
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The IRS employees tax manual has instructions for collecting taxes after a nuclear war |
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There are approximately fifty Bibles sold each minute across the world |
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The pectin that is found in apples aids in lowering cholesterol levels |
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Post-It Notes, which are adhesive notes, were invented while looking for a way to improve the acrylate adhesive found in tapes |
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Crayola Crayons currently has over 120 different crayon colors |
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Odontophobia is the fear of teeth |
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The width of a tornado can range from less than ten yards to more than a mile. |
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In Johannesburg, the average car will be involved in an accident once every four years. |
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The youngest actress to be nominated as best actress is Keisha Castle-Hughes who was nominated at just 13 years old |
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The Taj Mahal was actually built for use as a tomb |
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According to studies, an average roll of toilet paper lasts about five days in the bathroom |
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Almonds are members of the peach family |
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The oldest known disease in the world is leprosy |
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A fall of 30 feet can be survived my most cats |
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The largest member of the dolphin family are orcas |
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In 1477, the first diamond engagement ring was given to Mary of Burgundy by Archduke Maximillian of Austria |
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The hormone replacement drug "Premarin" is made from the urine of pregnant horses |
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TWIX Caramel Cookie Bars were first introduced in 1979 |
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Nintendo was first establish in 1889 and they started out making special playing cards |
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People over the age of fifty will start to lose their dislike for foods that taste bitter |
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In Kentucky, 50 percent of the people who get married for the first time are teenagers |
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Elephants have been known to learn up to 60 commands |
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On average 1,668 gallons of water are used by each person in the United States daily |
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Copper is the second most used metal in the world. |
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Milton Bradley originally wanted to name the game Twister, Pretzel; but he could not since the name was copyrighted |
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According to studies, men prefer to have white bedrooms and women prefer to have blue bedrooms |
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If someone was to fly once around the surface of the moon, it would be equal to a round trip from New York to London |
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St. Patrick never really drove out any snakes from Ireland. This story was an analogy of how he drove paganism out of Ireland |
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Fat is important for the development of children and normal growth |
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The most common seasonings found in American homes are chili powder, cinnamon, and seasoned salts |
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People who have eaten beetles say that it tastes like apples |
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Montreal was named after a local mountain "Mont Royal." |
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Millie the White House dog earned more than 4 times as much as President Bush in 1991. And, rightfully so |
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In an average lifetime, a person will spend 4 years traveling in an automobile and six months waiting at a red light. |
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A small drip from a faucet can waste up to 50 gallons of water daily, which is enough water to run a dishwasher twice on a full cycle |
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Kotex was first manufactured as bandages, during W.W.I |
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The longest Monopoly game ever played was 1,680 hours long, which is seventy straight days |
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C |
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Over 1,600 people in North America have been victims of trunk entrapment (being locked inside of a car trunk) |
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A rhinoceros horn is made of compacted hair |
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#!/usr/bin/env bash |
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# Unofficial Bash Strict Mode |
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set -euo pipefail |
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IFS=' |
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' |
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FILENAME="student/file-researcher.sh" |
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# True if FILE exists and is a regular file |
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if [ -f ${FILENAME} ]; then |
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# FILE exists and it's not empty |
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if [ -s ${FILENAME} ]; then |
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if [[ $(cat $FILENAME | grep echo | wc -l) -ne 0 ]]; then |
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echo "echo is not allowed in this exercise!" |
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exit 1 |
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fi |
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submitted=$(bash $FILENAME) |
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expected=$(bash solutions/file-researcher.sh) |
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diff <(echo "$submitted") <(echo "$expected") |
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else |
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echo "The file exist but is empty" |
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exit 1 |
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fi |
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else |
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echo "File does not exist" |
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exit 1 |
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fi |
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grep "It takes 12 honey" file-researcher/facts.txt && grep -n "year" file-researcher/facts.txt |
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## file-researcher |
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### Instructions |
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Create a file `file-researcher.sh`, which will look in the `file-researcher/facts.txt` file for the following: |
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- The complete sentence which begins like so `It takes 12 honey`. |
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- All the lines where the word `year` appears. |
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You can not use "echo"! |
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Expected Output: |
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```console |
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$ ./file-researcher.sh | cat -e |
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It takes 12 honeybees to make one teaspoon of honey$ |
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6:898 tornadoes were recorded to have occurred in the United States in the year 2000.$ |
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12:The only two days of the year in which there are no professional sportsgames (MLB, NBA, NHL, or NFL) are the day before and the day after theMajorLeague All-Star Game.$ |
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15:All dogs are the descendant of the wolf. These wolves lived in eastern Asia about 15,000 years ago$ |
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32:Most fleas do not live past a year old$ |
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39:Every 238 years, the orbits of Neptune and Pluto change making Neptune at times the farthest planet from the sun$ |
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60:A maple tree is usually tapped when the tree is at least 45 years old and has a diameter of 12 inches$ |
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63:An acre of trees can remove about 13 tons of dust and gases every year from the surrounding environment$ |
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67:Every year, 100 million sharks are killed by people$ |
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70:One female mouse can produce up to 100 babies a year$ |
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95:In Johannesburg, the average car will be involved in an accident once every four years.$ |
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96:The youngest actress to be nominated as best actress is Keisha Castle-Hughes who was nominated at just 13 years old$ |
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121:In an average lifetime, a person will spend 4 years traveling in an automobile and six months waiting at a red light.$ |
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$ |
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``` |
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|
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### Hints |
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`grep` is a command-line utility for searching plain-text data sets for lines that match a regular expression. |
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```console |
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$ head example.txt |
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Indonesia consists only of islands - 13,667 total |
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During World War II, the very first bomb dropped on Berlin by the Allies killed the only elephant in the Berlin Zoo |
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$ grep "Indonesia" example.txt |
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Indonesia consists only of islands - 13,667 total |
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``` |
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|
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> You have to use Man or Google to know more about commands flags, in order to solve this exercise! |
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> Google and Man will be your friends! |
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Loading…
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