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dpanic / extract.py
Created April 4, 2023 11:37
extract images from pdf
import os
import sys
import fitz
def extract_images(pdf_path, output_folder):
doc = fitz.open(pdf_path)
for page_num in range(len(doc)):
page = doc[page_num]
image_list = page.get_images(full=True)
for img_index, img in enumerate(image_list):
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dpanic / cpufreq.sh
Last active November 23, 2022 10:50
cpu frequency tuning
#!/usr/bin/env bash
cpus=$(cat /proc/cpuinfo | grep processor | wc -l)
governor="powersave"
i=0
while [[ $i -ne $cpus ]]; do
echo "${governor}" >/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor
# get max frequency
#!/usr/bin/env bash
for f in *.heic; do
out=$(echo $f | sed -e s/\.heic/\.jpg/g)
heif-convert -q 92 $f $out
done