STRJOIN Function

Concatenates all of the elements of a string array into a single scalar string.

result = STRJOIN(string [, sep])

string A string array whose elements are to be concatenated.

sep (optional) A scalar string that is used to separate adjoining elements of the input array.

result A scalar string.

None.

A string array of directory names is concatenated into a string that can be used for a !Path system variable definition.

dirs = ['/bin','/usr/bin','/usr/local/bin', $
    '/etc','/usr/ucb/bin', '/usr/sbin']
path = STRJOIN(dirs, ':')
PRINT, path

/bin:/usr/bin:/usr/local/bin:/etc:/usr/ucb/bin:/usr/sbin

STRSPLIT