Composable beautifier of lists of paths. Usage (e.g.): git diff HEAD^ --stat | treeify.awk

treeify.awk

#!/usr/bin/awk -f

BEGIN { FS = ""; prev = "" }
{
    prefix = ""; n = 1
    while ((n <= NF) && ($n == substr(prev, n, 1))) {
        if ($n == "/") { prefix = substr($0, 1, n) }
        n++
    }

    print "\033[1;30m" prefix "\033[0m" substr($0, length(prefix)+1)
    prev = $0 
}