<p>Change the <code>”</code> to a <code>"</code>.</p>

<p>Avoid using TextEdit or other "smart" editors to edit your scripts and shell commands. They will mangle it with fancy quotes and other oddball characters and ruin your commands.</p>

CC BY-SA 3.0
2017-01-12T18:05:51.280Z
2017-01-12T18:05:51.280Z
llogan
<p>I'm trying to batch convert a folder of MP4 files to AVI using this script:</p>

<p><code>
for f in *.mp4; do ffmpeg -i "$f" -q:v 6 "encoded/${f%.*}.avi”; done
</code></p>

<p>(This is based an earlier question that was helpfully answered for me by @Mulvya here: <a href="https://video.stackexchange.com/questions/20399/whats-the-best-way-to-convert-mp4-to-avi">What&#39;s the best way to convert mp4 to avi?</a>)
I'm receiving the error message:</p>

<p><code>
Unable to find a suitable output format for 'encoded/test file.avi”; done
for f in *.mp4; do ffmpeg -i test'
encoded/test file.avi”; done
for f in *.mp4; do ffmpeg -i test: Invalid argument
</code></p>

<p>Can anyone suggest where i may have made a mistake?</p>

<ffmpeg><mp4><avi>
How to batch covert a folder of mp4 files to avi?
d13
# How to batch covert a folder of mp4 files to avi?

(Asked by: username_0 on 2017-01-12)

I'm trying to batch convert a folder of MP4 files to AVI using this script:

`for f in *.mp4; do ffmpeg -i "$f" -q:v 6 "encoded/${f%.*}.avi”; done`

(This is based an earlier question that was helpfully answered for me by @Mulvya here: [What's the best way to convert mp4 to avi?](https://video.stackexchange.com/questions/20399/whats-the-best-way-to-convert-mp4-to-avi))
I'm receiving the error message:

`Unable to find a suitable output format for 'encoded/test file.avi”; done
for f in *.mp4; do ffmpeg -i test'
encoded/test file.avi”; done
for f in *.mp4; do ffmpeg -i test: Invalid argument`

Can anyone suggest where i may have made a mistake?

**Tags:** ffmpeg, mp4, avi


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## 1 answers

### Answer by username_1 on 2017-01-12. Score: 5 | Accepted answer

Change the `”` to a `"`.

Avoid using TextEdit or other "smart" editors to edit your scripts and shell commands. They will mangle it with fancy quotes and other oddball characters and ruin your commands.


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