我有一个像下面这样的行的文件。
title1:A1
title2:A2
title3:A3
title4:A4
title5:A5
title1:B1
title2:B2
title3:B3
title4:B4
title5:B5
title1:C1
title2:C2
title3:C3
title4:C4
title5:C5
title1:D1
title2:D2
title3:D3
title4:D4
title5:D5我怎样才能做到这一点？
title1 title2 title3 title4
A1 A2 A3 A4
B1 B2 B3 B4
C1 C2 C3 C4
D1 D2 D3 D4