Trim Videos from any format using FFMPEG in copy-paste speeds!

Fast-Video-Trim.sh

#!/bin/bash
#Author: Nassim BENTARKA (NBN) @nassimosaz
#You can implement this tool into your system by copying the script into ~/bin/ directory as fast-video-trim
if [ $# -ne 4 ]; then
    printf "\n${0}: usage: Fast-Video-Trim.sh [BEGIN_TIME HH:MM:SS:] [END_TIME HH:MM:SS] [INPUT_FILE] [OUTPUT_FILE]\n\n"
    exit 1
fi
TIME1=$1
TIME2=$2
IN=$3
OUT=$4
if [ ! -f "$3" ]; then
    echo "File $3 does not exist!"
    exit 1
fi
if [ -f "$4" ]; then
    printf "RISK! File $4 will be overwritten!\n"
    read -p "Continue? (y/n) " -n 1 -r
    echo    # (optional) move to a new line
    if [[ $REPLY =~ ^[Yy]$ ]]; then
    continue
    else
        exit 1
    fi
else
# Convert the times to seconds from the Epoch
    SEC1=`date +%s -d $1`
    SEC2=`date +%s -d $2`

# Use expr to do the math, let's say TIME1 was the start and TIME2 was the finish
    DIFFSEC=`expr ${SEC2} - ${SEC1}`

#The main ffmpeg command
    ffmpeg -v quiet -stats -i $3 -ss ${TIME1} -t ${DIFFSEC} -c copy $4
fi

First of all, make the script executable by running: chmod +x Fast-Video-Trim.sh
usage example: ./Fast-Video-Trim.sh 00:00:47 00:08:15 input_file.foo output_file.foo

usage: Fast-Video-Trim.sh [BEGIN_TIME HH:MM:SS] [END_TIME HH:MM:SS] [INPUT_FILE] [OUTPUT_FILE]