Confirm prompts the user to confirm something.

credit https://gist.github.com/r0l1/92462b38df26839a3ca324697c8cba04.

credit https://gist.github.com/r0l1/92462b38df26839a3ca324697c8cba04.

CreateUniqueDirectory creates a new directory but if the combination of dir and name exists then append a number until a unique name is found.

Download a file from the given URL.

FirstNotEmptyString returns the first non empty string or the empty string if none can be found.

GetCommandOutput evaluates the given command and returns the trimmed output.

@param dataDir Location of test data json file @param router Should map a URL path to a map that maps a method to a JSON response file name.

loads a file.

LoadCacheData loads cached data from the given cache file name and loader.

MarkdownLink returns a markdown link.

RegexpSplit splits a string into an array using the regexSep as a separator.

RunCommand evaluates the given command and returns the trimmed output.

SelectNames select which names from the list should be chosen.

SelectNamesWithFilter selects from a list of names with a given filter.

SortedMapKeys returns the sorted keys of the given map.

StringArrayToLower returns a string slice with all the values converted to lower case.

StringIndexes returns all the indices where the value occurs in the given string.

untargz a tarball to a target, from http://blog.ralch.com/tutorial/golang-working-with-tar-and-gzipf.

UrlJoin joins the given paths so that there is only ever one '/' character between the paths.