Re: get the first word of a file

On 21 Dec 2005 07:02:16 -0800, dufffman@xxxxxxxxx wrote:
> Hi,
>
> I have a data file of the format
>
> 20051112|data|moreData|evenMoreData|..|
> 20051112|data|moreData|evenMoreData|..|
> 20051112|data|moreData|evenMoreData|..|
> 20051112|data|moreData|evenMoreData|..|
> 20051112|data|moreData|evenMoreData|..|
> 20051112|data|moreData|evenMoreData|..|
> 20051112|data|moreData|evenMoreData|..|
>
>
> its going to be a pipe delimited file, w/the only the first date beng
> the constant. in unix which command would i write to extract the first
> '20051112' out of this file?
[...]

< file cut -d\| -f1 | head -n1

or

sed 's/|.*//;q' < file

--
Stephane
.

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