I have a folder whose contents include ~300 images. I want to resize them to 800px wide in another folder. How can I do that? I have tried some ImageMagick command.
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See this: [How can I scale all images in a folder to the same width?](http://askubuntu.com/questions/135477/how-can-i-scale-all-images-in-a-folder-to-the-same-width)... Moreover, [edit] the question to include what imagemagick commands you have already tried and what were the results.. – Aditya Jan 12 '14 at 11:54
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For GUI, Phatch "one click is worth thousand photos" is the best for such quick job. It is already in Ubuntu repository.
sudo apt-get install phatch
Otherwise for advanced users, as an example to loop through files in shell:
#!/bin/bash
# Configuration
ext="bmp"
count=0
total=0
#loop through all files in the current folder that ends with $ext extension
for i in $(ls *.$ext)
do
total=$(($total + 1))
#replace the 'potrace -s "$i"' with your converting cmd
#"$i" is the file name
#it will count +1 if successful
potrace -s "$i" && count=$(($count + 1))
done
echo "$count/$total files converted"
#wait
read
This example converts bmp to svg, I wrote it previously for my brother to convert his scanned comic/anime drawings into vectorial form. Before coloring.
