Title
No. 100 doors https://gambas.one/playground/ultra.html?gist=10f109e90581b04b9cbc30fdaf49892b

ABC Problem https://gambas.one/playground/ultra.html?gist=ae860292d4588b3627d77c85bcc634ee

Align columns https://gambas.one/playground/ultra.html?gist=023b4c5144d45e047abe02ebf5c4525a

Array concatenation https://gambas.one/playground/ultra.html?gist=314bea6fba7f177a1cfaec8a7a8b5ccb

Array length https://gambas.one/playground/ultra.html?gist=2a452c807c7030eb64a2f1d60d31a830

Arrays https://gambas.one/playground/ultra.html?gist=5061d7f882a4768d212080e416c25e27

Associative array/Iteration https://gambas.one/playground/ultra.html?gist=e48bd6ed7e6b583106b8178bca536eea
B Babbage problem https://gambas.one/playground/ultra.html?gist=08eafccbe3febb79ec62301ca84e3662

Balanced brackets https://gambas.one/playground/ultra.html?gist=8960fb267af43f0549d2cfe04288a2d4

Binary digits https://gambas.one/playground/ultra.html?gist=03e84768e6ee2af9b7664efa04fa6da8

Boolean values https://gambas.one/playground/ultra.html?gist=65324112fde86d51937b9cfcca0c51f9

Box the compass https://gambas.one/playground/ultra.html?gist=823a56ac094b8963cf11f792b381fbcc
C Caesar cipher https://gambas.one/playground/ultra.html?gist=cb96008082bc0d8278224cd2a5ec74d3

Call a function https://gambas.one/playground/ultra.html?gist=1bbbeb240f6fbca4b893271f1a19833b

Case-sensitivity of identifiers https://gambas.one/playground/ultra.html?gist=fed58074944b894f5d4cfb8e16c6819a

Check that file exists https://gambas.one/playground/ultra.html?gist=fa06b7cc43166fb0ab48e878d86e3d1b

Collection example https://gambas.one/playground/ultra.html?gist=004236066581dd85f39f34e100bf5c40

Comma quibbling https://gambas.one/playground/ultra.html?gist=8edc63b206a1de50dd104cd12486ac03

Command-line arguments https://gambas.one/playground/ultra.html?gist=a1374aa441520314ad0c7decb1e91c97

Convert seconds to compound duration https://gambas.one/playground/ultra.html?gist=d7f00b8a96a6f792f0164f622f0686df

Copy a string https://gambas.one/playground/ultra.html?gist=b88224f45b9b5be09eafdf069b059076

Create a file https://gambas.one/playground/ultra.html?gist=abe59d5d62a4d01817638115e75e7e29

Day of the week https://gambas.one/playground/ultra.html?gist=b9b4e9a871e96ea6f1db467fa23669fe

Department Numbers https://gambas.one/playground/ultra.html?gist=cdfeadc26aaeb0e23f4523626b6fe7c9

Detect division by zero https://gambas.one/playground/ultra.html?gist=6c837b97d9c5f296ef23245706544bdf

Dutch national flag problem https://gambas.one/playground/ultra.html?gist=e57a862aff12647fa80c84a595161cb9

Empty string https://gambas.one/playground/ultra.html?gist=4d8a208f49364dc25361bf2042af1005

Exceptions https://gambas.one/playground/ultra.html?gist=c3abec93bc7f135203f1f7582f5c3a19

Execute a system command https://gambas.one/playground/ultra.html?gist=9460b39a86794a7346a390aeb50fc5cf

Filter https://gambas.one/playground/ultra.html?gist=e73bc5db1e3bb56c598f89aa669a0825

Five weekends https://gambas.one/playground/ultra.html?gist=fbeb1b7a06fff3da3f8b262ee5d71390

FizzBuzz https://gambas.one/playground/ultra.html?gist=efbe83377a1eabe475d8eba13965cfde

Flatten a list https://gambas.one/playground/ultra.html?gist=1c0157ce2b7eab99ba4e784e183ba474

Flow-control structures https://gambas.one/playground/ultra.html?gist=64e4e68b1c6ce73341d08ba2d9333c07

Floyd's triangle https://gambas.one/playground/ultra.html?gist=57ab1f58785b7e07765881657e4589ab

Formatted numeric output https://gambas.one/playground/ultra.html?gist=4f64ab96d0f97df5876b76ab0431b302

Function definition https://gambas.one/playground/ultra.html?gist=bc93236474d9937217dd4117026f7441
G Generate lower case ASCII alphabet https://gambas.one/playground/ultra.html?gist=debd3987d4db75099032a86927978046

Generic swap https://gambas.one/playground/ultra.html?gist=b746e857f6f280fb92c204795f6053be

Get system command output https://gambas.one/playground/ultra.html?gist=d595094b5bc9c3abb17808b2b00938f9

Harshad or Niven series https://gambas.one/playground/ultra.html?gist=9d814ce9936ed7fdce2a084004c437f4

Hash from two arrays https://gambas.one/playground/ultra.html?gist=944f0b9cbf60910e7ee7ea4191928a7c

Hello world/Newline omission https://gambas.one/playground/ultra.html?gist=09c8c3464c556325f089f9e4c326eaca

Hello world/Text https://gambas.one/playground/ultra.html?gist=d3a51f670e4eb0f793b513b14329be51

Hostname https://gambas.one/playground/ultra.html?gist=11d7f489117d7909da509050103b7891

Increment a numerical string https://gambas.one/playground/ultra.html?gist=e31b63f444c2c09c8b1436407020e216

Knuth shuffle https://gambas.one/playground/ultra.html?gist=58402023fbdc617ce10f6a85db721105

Largest int from concatenated ints https://gambas.one/playground/ultra.html?gist=4169e7641f29ff0ae1dd202b459e60ce

Look-and-say sequence https://gambas.one/playground/ultra.html?gist=83d63e1706fa1dc3c7468b1e9d7bcf05

Loop over multiple arrays simultaneously https://gambas.one/playground/ultra.html?gist=3a69e733694aeab3b72c6a5c0316535b

Loops/Break https://gambas.one/playground/ultra.html?gist=65d2287312298a938e7e8eea8899e38b

Loops/Continue https://gambas.one/playground/ultra.html?gist=bf629ae9a09ffa1f5ecc95b89854b14b

Loops/Do-while https://gambas.one/playground/ultra.html?gist=57e91eab60baf7e39df9b6d16a0deddd

Loops/Downward for https://gambas.one/playground/ultra.html?gist=b236db5bdb1087fa90e934a5a8210e1f

Loops/For https://gambas.one/playground/ultra.html?gist=9be4a2a6e69b2bf2921279a057df18c5

Loops/For with a specified step https://gambas.one/playground/ultra.html?gist=cdd9b10b64ac4d78b75c364061f25641

Loops/Foreach https://gambas.one/playground/ultra.html?gist=cb94500c68749f6f93915f3f10de5a03

Loops/Infinite https://gambas.one/playground/ultra.html?gist=e63dcdc939f8a7dcfd3194d884f8d4a5

Loops/N plus one half https://gambas.one/playground/ultra.html?gist=c43cc581e5f93e70c5dc82733f609a7e

Loops/Nested https://gambas.one/playground/ultra.html?gist=77521a9ffe6bebdfe2e34df8faab5e78

Loops/While https://gambas.one/playground/ultra.html?gist=4e992013e4e7dc69a82477299a5ce23a

Luhn test of credit card numbers https://gambas.one/playground/ultra.html?gist=966f04aa2a1e9af43ba9553f5cb9160d

Middle three digits https://gambas.one/playground/ultra.html?gist=ed25e84978446d65895ccd909fc092fa

Move-to-front algorithm https://gambas.one/playground/ultra.html?gist=4268c779c36def03ea10764630cdc401

Multiplication tables https://gambas.one/playground/ultra.html?gist=3a3a987766a9a9a383b3e0e8a65d9ea2
N N'th https://gambas.one/playground/ultra.html?gist=6d60749ae886a37f128e75cffc6c7118
P Password generator https://gambas.one/playground/ultra.html?gist=0ef1242c761d8a39297fb913fc6a56c0

Phrase reversals https://gambas.one/playground/ultra.html?gist=77cb8b3386a0f57524bdbff6634387cd

Population count https://gambas.one/playground/ultra.html?gist=538335b7b71f5ea7b59c0c82fbb0ea3e

Price fraction https://gambas.one/playground/ultra.html?gist=87527eed297164593d88aa2c35898eaf

Primality by trial division https://gambas.one/playground/ultra.html?gist=85fbc7936b17b3009af282752aa29df7

Program name https://gambas.one/playground/ultra.html?gist=fc8af45b13a9bb52b6955bab487fc7ac
R Range extraction https://gambas.one/playground/ultra.html?gist=49f362e3de9725fbf3c56f2381abf8a4

Regular expressions https://gambas.one/playground/ultra.html?gist=5a2a1052f8dff12596fa7f45242d25a9

Remove duplicate elements https://gambas.one/playground/ultra.html?gist=1e2bb524d2278cd88bccdc21a1683296

Repeat a string https://gambas.one/playground/ultra.html?gist=bdd2a7a0f4f09ff67e9d78b5d9667bdb

Reverse a string https://gambas.one/playground/ultra.html?gist=e32989a1ffdc4428075ca6d4cb15dfa6

Reverse words in a string https://gambas.one/playground/ultra.html?gist=c81c1bbf94e856035fd382015d208272

Run-length encoding https://gambas.one/playground/ultra.html?gist=b30707043cb64effba91a2edc4d4be94
S Search a list https://gambas.one/playground/ultra.html?gist=7729d65f8af3f128db6c6992c5f74e98

SEDOL https://gambas.one/playground/ultra.html?gist=905f91c785f1f15a360726717731862f

Shell one-liner https://gambas.one/playground/ultra.html?gist=4385adf6a841435779a7afff3dadb58b

Sort an integer array https://gambas.one/playground/ultra.html?gist=1f1d244aa95c329eb87cb538f0d5fc4a

Sorting algorithms/Bogosort https://gambas.one/playground/ultra.html?gist=ae1ea3558431ea05a1f42ce68b173f45

Sorting algorithms/Bubble sort https://gambas.one/playground/ultra.html?gist=ba84832d633cb92bbe6c2f54704819c3

Sorting algorithms/Cocktail sort https://gambas.one/playground/ultra.html?gist=ee5467e58f0ef649373eed5a2503b988

Sorting algorithms/Comb sort https://gambas.one/playground/ultra.html?gist=ade780ac2893fcfc95bf0d3feff6a3a8

Sorting algorithms/Gnome sort https://gambas.one/playground/ultra.html?gist=d91a871bd9f43cd9644c89baa3ee861a

Sorting algorithms/Pancake sort https://gambas.one/playground/ultra.html?gist=25bca44b4dba66a7316a00694b342035

String append https://gambas.one/playground/ultra.html?gist=0b17e205d56985c8cd1ff108c6fc9ca4

String case https://gambas.one/playground/ultra.html?gist=d45e91bee011314fd126dc53052b5386

String concatenation https://gambas.one/playground/ultra.html?gist=098450adbbe0e284f0b9cdac67d74dda

String interpolation (included) https://gambas.one/playground/ultra.html?gist=29bc3d7010d216a49382a47cdeeec15f

String matching https://gambas.one/playground/ultra.html?gist=07bb32f4e8e8f7d81898cf41d4431a2e

String prepend https://gambas.one/playground/ultra.html?gist=cd5ab867c22e872d69ed81fd9da96707

Strip a set of characters from a string https://gambas.one/playground/ultra.html?gist=f199a8f7a56cf466e4a16c3fc71f6278

Strip control codes and extended characters from a string https://gambas.one/playground/ultra.html?gist=19db658a6c44cfb1f6f887ff53e549bb

Strip whitespace from a string/Top and tail https://gambas.one/playground/ultra.html?gist=62e56fea0f74819daa3d3a548869fa90

Substring https://gambas.one/playground/ultra.html?gist=d4baf4adccd2220f63a1019695e072b0

Sum and product of an array https://gambas.one/playground/ultra.html?gist=4a4bdc35d661e2dc22d66d88991bef95

System time https://gambas.one/playground/ultra.html?gist=f061cc0cf175496b37bbcd14bd1e7058

Tokenize a string https://gambas.one/playground/ultra.html?gist=218e240236cdf1419a405abfed906ed3
V Variable size/Get https://gambas.one/playground/ultra.html?gist=87f102023bd9ef6dbd52b0158be2c3ee
W Walk a directory/Non-recursively https://gambas.one/playground/ultra.html?gist=c5fde952fecd1d7052101b1e2287f2ff

Walk a directory/Recursively https://gambas.one/playground/ultra.html?gist=f48f8d5c2e2e85a8f80bcdc0124a35a5
Z Zero to the zero power https://gambas.one/playground/ultra.html?gist=7d505dbe89227e9b4423f92ef12d6829