Other

“Cat WC”

cat datei | wc -l    
#counts words in datei

synchronize exif time

exiftool -P -alldates-='0:0:0 0:4:0' -overwrite_original bild.jpg 
#minus 4minutes 
#syntax: 'y:w:d h:m:s'
#plus time: +=

rescale pictures

convert -resize 1920 original.jpg resized.jpg
# number defines pixels
# -quality 95% is default value

get rid of spaces in file names

for i in *\ *;do mv "$i" "${i// /_}";done

Antonia Oelke