def exponential_smoothing(result,data, alpha):
    result[:] = [data[0]]  # 初始值即为第一个数据点
    for t in range(1, len(data)):
        result.append(alpha * data[t] + (1 - alpha) * result[t - 1])

def moving_average(data, window_size):
    for i in range(len(data) - window_size + 1):
        window = data[i:i + window_size]
        yield sum(window) / window_size

ASMR="
subs=(kv,re=RegExp(Object.keys(kv).join('|'),'g'))=>s=>s.replace(re, key => kv[key])

subs(Object.fromEntries(
    'rdi rsi rdx rcx r8 r9'.split(' ').map((register, index) => [register, 'arg'+index])
))(fs.readFileSync(0, 'utf-8'))
"

>find regular file in /usr/bin/* , sort size |xargs file
find `ls -d /usr/bin/* --sort=size` -type f,d|tail -n 1000|xargs file|grep ELF

>radare2 cmd to find string "usage", and show xref in code
r2 <<<'aa;`iz~usage|awk "{print $1}"`;`axtq`'  /bin/db_verify 

>objdump -d, intel-syntax, no address or bytes, .text only from 0x0000113f
objdump -d -M intel --no-show-raw-insn --no-addresses --start-address=0x0000113f  /bin/db_verify|node -p "$ASMR"

fprintf(stderr, "usage: %s %s\n", progname,
      "[-NoqV] [-h home] [-P password] db_file ...");