Bash & VIM & Python 笔记

Bash

• set ~/.bashrc for intialization
• CUDA

CUDA_VISIBLE_DEVICES=0,1,2,3 python3 train.py  # use 4 gpus
nvidis-smi
ls /usr/local/cuda # cuda location

• Environment

export LD_LIBRARY_PATH=... # library
export PATH=...
export CPATH=...

• 解/压缩

tar -zvcf #压缩
tar -zvxf #解压

VIM

• Replace yes with no

:%s/yes/no/g # use yes to replace no golbally without confirmation
:%s/yes/no/gd # use yes to replace no golbally, ask confirmation first

Python

• 当要用string代表变量名时

a_0 = 3 
print(eval('a_' + str(0)))

• 读wav file

from scipy.io import wavfile
fs, wavinput.= wavfile.read("audio.wav")

• 读FLAC file

import soundfile as sf
wavinput, fs = sf.read("audio.flac")