emerge-time.sh

gistfile1.txt

# listing emerge compiling time
function emergetime {
    genlop -nt '*' |
    tail -n +3 |
    sed -n '
        1~3 {x;b}
        3~3 d
        # prefix 0
        s/ \([0-9] \)/ 0\1/g
        # remove "," and "and"
        s/\(,\|and \)//g
        # remove tailing dot
        /merge time/ s/\.$//
        # remove plural
        s/\(hour\|minute\|second\)s/\1/g
        s/\([0-9]\+\) second/A \1/
        s/\([0-9]\+\) minute/B \1/
        s/\([0-9]\+\) hour/C \1/
        G
        s/\n//
        # remove extra heading spaces
        s/^ \+//
        p
        '
}

# Sort compiled time package showing the 30 most time expensive package
emergetime | sort | tac | head -30 | nl