Initial

README.md

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+# SCRIPTS
+
+A Collection of some "useful" scripts
+
+| Name | Usecase |requirements|
+|------|---------|------------|
+|```downloadhelper.sh``` | download anc convert Youtube Videos or Soundcloud Songs | Youtube-DL & ffmpeg
+|```fixcam.sh```         |remove " (1)" from all files inside a folder|  |
+|```kvm.sh```            |start a kvm| kvm |
+|```load.sh```           |download a bunch of sequentialy numbered files| wget |
+|```m3u8append.sh```     | takes a m3u8 playlist, removes comments (lines starting with '#') and addes a line in front of every other line. Saves the output to a difrent file. | |
+|```secondcount.sh```    | count the total time of video material in seconds in a folder | ffmpeg |
+|``` switch-speaker.sh```| switch the default audio output to a difrent speaker | pulseaudio |
+|```timedbackup.sh```    | creates a backup. This simple script should be used with cron | rsync |
+|```videoappend.sh```    | concatinats a list of videos to one long video | ffmpeg |
+
+

downloadhelper.sh

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+#!/bin/bash
+echo "enter the dldir to download - dont forget trailing '/'!, leave empty for default."
+read out
+dldir="/home/${USER}/Downloads/"
+if [ "$out" != "" ]; then
+	dldir=$(out)
+fi
+#todo: check that dldir ends with /
+
+echo "Downloading to: ${dldir}"
+mkdir -p ${dldir}
+while : ; do
+	read -p "enter ytid or link, noting to exit: " ytid
+	if [ "${ytid}" == "" ]; then
+		break
+	fi
+	youtube-dl -F ${ytid}
+	echo "please chose format: (by number or mp3/mp4/aac/...)"
+	read form
+	youtube-dl --restrict-filenames -o "${dldir}%(title)s.%(ext)s" -f ${form} --exec 'touch {}' ${ytid}
+	file="$(ls /home/yannis/Downloads/ -ot | sed -n 2p | perl -lane 'print $F[7]')"
+	echo "DOWNLOADED FILE: $file"
+	#todo check if its already mp3
+	read -p "convert to other format? (mp3/mp4/...): " mp
+	if [ "${mp}" != "" ]; then
+		ffmpeg -hide_banner -i "${dldir}${file}" "${dldir}${file%%.*}.${mp}"
+		
+		#delete original?
+		rm -i ${dldir}${file}
+	fi
+done
+echo "exit."

fixcam.sh

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+#!/bin/bash
+remove=" (1)"
+doneanything=false
+for file in fixcam/*; do
+    to="${file/$remove}"
+    if [ "$to" == "$file" ]; then
+       echo "skip file $file"
+    else
+       echo "rename file $file to $to"
+       mv "$file" "$to"
+       doneanything=true
+    fi
+done
+if [ $doneanything = false ]; then
+ echo "noting done"
+fi

kvm.sh

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+sudo kvm -hda /dev/sda -hdb /dev/sdb -hdc /dev/sdc -hdd /dev/sdd -m 10G -cpu host -smp cpus=1,cores=4,threads=1,maxcpus=4 -k de -soundhw all #-device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on

load.sh

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+#!/bin/bash
+#create dir
+mkdir dl
+cd dl
+#url to download from
+BASEURL=""
+#part behind the nummber
+POSTFIX=".jpg"
+#start id
+i=1
+#endid
+end=1000
+while [ $i -lt $end ]; do
+    wget "${BASEURL}${i}${POSTFIX}" -O "${i}${POSTFIX}"
+    let i=i+1
+done
+
+#delete small files (404-errors)
+#find . -size -1k -delete

m3u8append.sh

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+#!/bin/bash
+#appends the url in an m3u8 file
+echo "USAGE: m3u8dl.sh URL FOLDER NAME NEWNAME"
+
+url=""
+name=""
+folder="/tmp/mozilla_yannis0/"
+out="new.m3u8"
+
+if [ $# -gt 0 ]; then
+  url=$1
+  if [ $# -gt 1 ]; then
+    folder=$2
+    if [ $# -gt 2 ]; then
+      name=$3
+      if [ $# -gt 3 ]; then
+        out=$4
+      fi
+    fi
+  fi
+else
+  exit 1
+fi
+
+echo "reading: $name"
+echo "in folder $folder"
+echo "writing in $out"
+echo "appending $url"
+
+while read -r line
+do
+  if [[ "$line" == "#"* ]];then
+     echo "$line" >> $folder$out
+  else
+    echo "$url$line" >> $folder$out
+  fi
+done < "$folder$name"
+echo "done"

secondcount.sh

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+#!/bin/bash
+echo "usage: script.sh folder_without_slash file_extention"
+count=0
+cd $1
+for file in *.$2 ; do
+  #echo $file
+  add=$( ffmpeg -i "$file" 2>&1 | grep "Duration" | cut -d ' ' -f 4 | sed s/,// | sed 's@\..*@@g' | awk '{ split($1, A, ":"); split(A[3], B, "."); print 3600*A[1] + 60*A[2] + B[1] }')
+ # echo "length $add"
+  count=$(($count + $add))
+done
+echo "total: $count s"

switch-speaker.sh

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+#!/bin/bash
+pacmd set-default-sink $1

timedbackup.sh

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+#!/bin/bash
+folder="/home/yannis/Dokumente"
+backup="/home/yannis/backups/docs/"
+mkdir -p ${backup}
+name=`date +%F_%H_%M`
+echo $name
+rsync -rvhP ${folder} ${backup}$name/

videoappend.sh

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+#!/bin/bash
+folderout="/tmp/render/"
+folderin="videos/"
+fileout="out.mp4"
+
+#mkdir
+mkdir -p $folderout
+#deletes this file - if exists
+rm -f "${folderout}list.txt"
+
+echo "generate listfile"
+list=$(ls --color=never -tr "$folderin" )
+for file in $list; do
+  echo "file '$folderin$file'" >> "${folderout}list.txt"
+done
+
+#if the user wants to correct somethink in the file
+echo "wait for acc"
+read ignored
+
+echo "RENDER!"
+ffmpeg -hide_banner -threads 0 -f concat -safe 0 -i "${folderout}list.txt" -c copy "$folderout$fileout"
+rm "${folderout}list.txt"
+echo "done."