how can I solve this integral?

[acompean]

form zero to infinity of ((exp((ix-s)*k))/k) dk

[qspeechc]

Wolfram alpha (http://www.wolframalpha.com/) says the integral does not converge:

http://www.wolframalpha.com/input/?i=integral+of++exp%28%28ix-s%29*k%29%2Fk+dk+from+zero+to+infinity