remove string after [ character using shell script?

Question

I have a file containing string like: ./intercompany.rb[1:1] | passed | 9 minutes 7 seconds |

I want to remove the string coming after [ character. Output should be ./intercompany.rb

How can we do this in shell script??

Answer 1

s='./intercompany.rb[1:1] | passed | 9 minutes 7 seconds |'
echo "${s%%[*}"

See http://wiki.bash-hackers.org/syntax/pe and/or BashFAQ #100.

Answer 2

With sed:

sed 's/\[.*//' < file