Awk problem

takayama · 01-30-2011, 12:26 PM

Im doing a scripting project for school and has run into a problem.
I want to search for the occurrence of "[" in a field. And then i want to delete that and everything after that (in that field)
Any tips of howto do it?

druuna · 01-30-2011, 12:33 PM

Hi,

Have a look at the awk string functions (sub, gsub and substr in particular).

Hope this helps.

takayama · 01-30-2011, 01:04 PM

i just find how to remove speciall numbers
ex

Quote:

awk '{sub("[f", "");print}' apa

dont print [f], but the stuff after [ can change, and i dont want to print [ or anything that is after it.

druuna · 01-30-2011, 05:47 PM

Hi,

This example targets field number 2:

Code:

awk '{ sub("\\[.*","",$2); print $2 }' infile

Hope this helps.