title: How to merge videos by avconv?
body: <p>I have several chunks in folder.</p>
  
  <pre><code>0001.mp4
  0002.mp4
  0003.mp4
  ...
  0112.mp4
  </code></pre>
  
  <p>I would like to merge them into full.mp4</p>
  
  <p>I tried to use:</p>
  
  <pre><code>avconv -f concat -i &lt;(printf "file '%s'\n" /root/chunk/*.mp4) -y \
  -c copy /root/test/full.mp4
  </code></pre>
  
  <p>Unknown input format: 'concat'</p>
  
  <pre><code>avconv -f concat -i &lt;(printf "%s|" /root/chunk/*.mp4) -y \
  -c copy /root/test/full.mp4
  </code></pre>
  
  <p>Unknown input format: 'concat'</p>
  
  <pre><code>avconv -i concat:`ls -ltr /root/chunk/*.mp4 | awk 'BEGIN {ORS="|"} { print $9 }'` \
   -c:v copy -c:a copy /root/test/full.mp4
  </code></pre>
  
  <p>In last edition only one input file was catched to output.</p>
  
  <p>How to merge all chunks from folder into full video?</p>
  
  <p>I don't want to use ffmpeg or other. Avconv only.</p>