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# join.awk --- join an array into a string
#
# Arnold Robbins, arnold@skeeve.com, Public Domain
# May 1993
function join(array, start, end, sep, result, i)
{
if (sep == "")
sep = " "
else if (sep == SUBSEP) # magic value
sep = ""
result = array[start]
for (i = start + 1; i <= end; i++)
result = result sep array[i]
return result
}