gistfile1.sh

# zsh function
svnhistgrep () {
        term=$1 
        file=$2 
        versions=($(svn log $file | perl -ne 'print "$1 " if (/r(\d+)/)')) 
        for r in $versions
        do
                echo "$file r$r"
                svn cat -r$r $file | egrep -C 3 -n $term
        done
}