Shell script: Removing leading and trailing spaces between fields in a pipe delimited file

I have a pipe delimited file as below

1  |Mike    |   2000|     2|
2  |Peter   |   4000|     2|

..... ... .... and so on.

I want to remove the leading and trailing spaces between fields. It should look like as below

1|开发者_JS百科Mike|2000|2|
2|Peter|4000|2|

Is there any way in shell script to achieve this output?

Thanks, Chandraa

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You can try

cat datafile | tr -d ' \t'

cat datafile | tr -d '[:space:]' # will remove all spaces including the new line at the end of each line

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Try this:

cat datafile | sed -e 's/[ \t]*|[ \t]*/|/g'