// source and dest, absolute or reachable from g_cwd, should exist.
// files and links in source matching dest (if empty: all) are copied to dest
// and are logged in g_log

// Before they are logged, dest is created

void logInstall(string src, string pattern, string dest)
{
    list entries;
    int idx;

    chdir(g_cwd);

    md(dest);
    src += "/";
    dest += "/";

    if (listlen(makelist(O_DIR, src)) == 0)
    {
        printf("Warning: ", src, " not found: can't install ", src, pattern,
                " at ", dest, "\n");
        return;
    }

    entries = findAll("f", src, pattern);       // all files in the src dir.

    for (idx = listlen(entries); idx--; )       // cp all files to the target
        run("cp " + src + entries[idx] + " " + dest);               // dir

    chdir(g_cwd);                               
    entries = findAll("l", src, pattern);       // find all links

    for (idx = listlen(entries); idx--; )
    {
        if (strlen(entries[idx]) != 0)          // install existing links
            run("cp " CPOPTS " " + src + entries[idx] + " " + dest);
    }
}




