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How to strip the spaces in file names?

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Top Forums Shell Programming and Scripting How to strip the spaces in file names?
# 1  
Old 10-01-2010
Debian How to strip the spaces in file names?
please somebody tell me what is wrong with this, while the thumbnail grabbing works and encoding works, but what is not working is, mv $i.jpg /var/www/thumbs/ and mv $i.mp4 /var/www/uploads/


Code:
#!/bin/bash
# MINT 9 - FFMPEG - QT-FASTSTART - X264 - MP4

 
DIR=/var/www/tmp
 
for i in `find $DIR -type f`; do
ffmpeg -i $i -acodec libfaac -ab 128k -ac 2 -vcodec libx264 -vpre slow -crf 22 -threads 0 $i.mp4 

&& qt-faststart $i.mp4 $i.qt.mp4 

&& chmod 777 $i.qt.mp4 && ffmpeg  -itsoffset -4  -i $i -vcodec mjpeg -vframes 1 -an -f rawvideo -s 320x200 $i.jpg 

&& chmod 777 $i.jpg && mv $i.jpg /var/www/thumbs/ && rm $i.mp4 

&& rm $i && mv $i.qt.mp4 /var/www/uploads/

done



---------- Post updated at 01:15 AM ---------- Previous update was at 01:12 AM ----------



i wold also like to know how to strip the spaces in file names

example blaa blaa blaa.avi how would i replace the space with _ so it looks like this blaa_blaa_blaa.avi

beacuse sometimes ffmpeg does not understand videos with spaces in them, and files like these
blaaa[blaaaa]filename.avi

Moderator's Comments:
Mod Comment Note to mysoogal: Your original thread title was a rule violation. First and last warning on following forum rules.
# 2  
Old 10-01-2010
if the file names having spaces, the command would fail in the find itself. and it would split the value of $i to as many arguments with spaces.

try quoting your find command and $i both.

Code:
for i in "`find . -name -type f`"
do
 echo "$i"
done


Or use the while read method.
if it still fails, It would be better to split and command and add an OR ( ||) thing to debug more and increase readability.
# 3  
Old 10-01-2010
Quote:
Originally Posted by anchal_khare
if the file names having spaces, the command would fail in the find itself. and it would split the value of $i to as many arguments with spaces.

try quoting your find command and $i both.

Code:
for i in "`find . -name -type f`"
do
 echo "$i"
done

Or use the while read method.
if it still fails, It would be better to split and command and add an OR ( ||) thing to debug more and increase readability.
i try but it still can not understand, the file is Dream%20Job.mpg

the %20 is white space, how would i remove that with sed or ruby

forgive me, im new with this Smilie

this is what get

Code:
ffmpeg -i /var/www/tmp/Dream%20Job.mpg -acodec libfaac -ab 128k -ac 2  -vcodec libx264 -vpre slow -crf 22 -threads 0  /var/www/tmp/Dream%20Job.mpg.mp4

that %20 Smilie
# 4  
Old 10-01-2010
actual whitespace can be replaced like this:

Code:
i_new=$(echo "$i" | tr ' ' '_')

proceed with i_new
# 5  
Old 10-01-2010
Quote:
Originally Posted by anchal_khare
if the file names having spaces, the command would fail in the find itself. and it would split the value of $i to as many arguments with spaces.

try quoting your find command and $i both.

Code:
for i in "`find . -name -type f`"
do
 echo "$i"
done

Or use the while read method.
if it still fails, It would be better to split and command and add an OR ( ||) thing to debug more and increase readability.
That's absolutely useless. All of the filenames output by find will result in one long string. That string will be assigned to i and the for loop will only execute once. You may as well do: echo "`find . -name -type f`"

A better approach:
Code:
find . -type f -exec sh -c '
    for i; do
        # Do stuff with "$i" here
    done
' sh {} +

Regards,
Alister
Last edited by alister; 10-01-2010 at 04:00 AM..
This User Gave Thanks to alister For This Post:
clx
# 6  
Old 10-01-2010
I'm getting confused again,

i read about sed, and ruby, they not have simple command to replace white space with _ in file%20name.avi ? so it looks like this file_name.avi ?
# 7  
Old 10-01-2010
The for loop will not work properly in this case because file names may contain whitespace and special characters. Also, you need to put double quotes around your variable references.
Try this:
Code:
find "$DIR" -type f |
while read i
do
  ffmpeg -i "$i" -acodec libfaac -ab 128k -ac 2 -vcodec libx264 -vpre slow -crf 22 -threads 0 "$i".mp4 &&
  qt-faststart "$i".mp4 "$i".qt.mp4 &&
  chmod 777 "$i".qt.mp4 &&
  ffmpeg  -itsoffset -4  -i "$i" -vcodec mjpeg -vframes 1 -an -f rawvideo -s 320x200 "$i".jpg &&
  chmod 777 "$i".jpg &&
  mv "$i".jpg /var/www/thumbs/ &&
  rm "$i".mp4 &&
  rm "$i" &&
  mv "$i".qt.mp4 /var/www/uploads/
done

BTW chmod 777 is considered bad practise
Last edited by Scrutinizer; 10-01-2010 at 04:09 AM..
This User Gave Thanks to Scrutinizer For This Post:
mysoogal
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