Hello everyone, I have an output of a command in this format,

log1    123
log1    233
log1    223
log2    465
log2    231
log2    456
[download]

I need help to put the above output like this

log1
123    233    223

log2
465    231    456
[download]

Edited by davido: Used code tags so that Anonymous Monk's post would show the crucial tabular format which is lost without the use of proper HTML formatting tags.