Add data to the start of an array
prepend a data to the start of an array.
<stdin> -> prepend: value -> <stdout>
» a: [January..December] -> prepend: 'New Year' New Year January February March April May June July August September October November December
It's worth noting that
append are not data type aware. So any integers in data type aware structures will be converted into strings:
» tout: json [1,2,3] -> prepend: new [ "new", "1", "2", "3" ]
[[(element): Outputs an element from a nested structure
[(index): Outputs an element from an array, map or table
a(mkarray): A sophisticated yet simple way to build an array or list
addheading: Adds headings to a table
append: Add data to the end of an array
cast: Alters the data type of the previous function without altering it's output
count: Count items in a map, list or array
ja(mkarray): A sophisticated yet simply way to build a JSON array
match: Match an exact value in an array
msort: Sorts an array - data type agnostic
mtac: Reverse the order of an array
regexp: Regexp tools for arrays / lists of strings
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Last built on Thu May 26 22:49:43 UTC 2022 against commit 59e27bb59e27bb1013043fc4a940cf9a2767c63f31dad2c.
Current version is 2.8.2100 which has been verified against 15889 tests cases.