add newest shit

notebooks/copy_audio.sh

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+#!/bin/bash
+
+# Script: copy_audio.sh
+# Description: Combines the video from input.mp4 with the audio from audio.mp4
+# Usage: ./copy_audio.sh input.mp4 audio.mp4
+
+# Check if the correct number of arguments is provided
+
+if [ $# -ne 2 ]; then
+    echo "Usage: $0 <input_video.mp4> <audio_video.mp4>"
+
+    exit 1
+fi
+
+# Get input arguments
+INPUT_VIDEO="$1"
+
+AUDIO_VIDEO="$2"
+
+# Check if the input files exist
+if [ ! -f "$INPUT_VIDEO" ]; then
+    echo "Error: Input video file '$INPUT_VIDEO' does not exist."
+
+    exit 1
+fi
+
+if [ ! -f "$AUDIO_VIDEO" ]; then
+    echo "Error: Audio video file '$AUDIO_VIDEO' does not exist."
+    exit 1
+fi
+
+# Extract the basename of the input video without extension
+BASENAME=$(basename "$INPUT_VIDEO" .mp4)
+
+
+# Construct the output filename
+OUTPUT_VIDEO="${BASENAME}_with_audio.mp4"
+
+# Use ffmpeg to combine the video and audio
+ffmpeg -i "$INPUT_VIDEO" -i "$AUDIO_VIDEO" -c copy -map 0:v:0 -map 1:a:0 "$OUTPUT_VIDEO"
+
+
+echo "Created '$OUTPUT_VIDEO' with video from '$INPUT_VIDEO' and audio from '$AUDIO_VIDEO'."
+