How to remove 4th word in the first line, separated by space

Tue, 29 Jul 2008 13:00:47 -0700, puzzlecracker wrote:

I have been doing it manually, and would like a short-handed sed or awk
for that.
>
thanks

without a sample file I'll just suppose that may well be what you want:-)

$ awk 'NR==1{$4=""} 1' yourfile

$ sed 's/\([^ ]* *\)\([^ ]* *\)\([^ ]* *\)\([^ ]* *\)\(.*\)/\1\2\3\5/' yourfile