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brownie17 | jrib, i'm here | 02:07 |
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jrib | hi | 02:07 |
brownie17 | jhi | 02:07 |
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brownie17 | sorry for making you wait. needed bathroom | 02:07 |
jrib | ok, first thing to understand is the basic syntax of convert | 02:07 |
brownie17 | k | 02:07 |
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darkchr0n0s | what are we learning today ? | 02:07 |
brownie17 | darkchr0n0s, batch image conversion with imagemagick | 02:08 |
jrib | so, according to http://www.imagemagick.org/script/convert.php, it's convert IN_FILE OUT_FILE | 02:08 |
jrib | convert doesn't change the image you give it, it saves the change as OUT_FILE and leaves IN_FILE alone | 02:08 |
brownie17 | jrib, yes. i aslo tried the 'mogrify' option instead of convert, which i think just modifies the original files | 02:08 |
jrib | right | 02:08 |
jrib | which one do you want to use? | 02:08 |
jrib | mogrify will leave you with no backups | 02:08 |
brownie17 | jrib, i'd prefer mogrify | 02:08 |
brownie17 | jrib, i already made backups | 02:09 |
jrib | k | 02:09 |
jrib | so my command should work if you change "convert" to "mogrify" | 02:09 |
jrib | find /some/directory -iname '*.jpg' -exec convert -interlace none '{}' \; | 02:09 |
jrib | find /some/directory -iname '*.jpg' -exec mogrify -interlace none '{}' \; | 02:09 |
brownie17 | okay ahh, i leave the '{}' \; exactly as it is? | 02:10 |
jrib | you can omit "/some/directory" if you are in the directory already that you want to start it | 02:10 |
jrib | s/it/in | 02:10 |
jrib | brownie17: yes, '{}' gets changed to the filename that find finds, and "\;" is just an escaped ";" to specify the end of the command that you want find to execute | 02:10 |
brownie17 | jrib, k it's working | 02:11 |
jrib | great | 02:12 |
brownie17 | wait | 02:12 |
brownie17 | sorry i mean | 02:12 |
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brownie17 | it is currently doing the task, i don't know if it's functioning correctly | 02:12 |
brownie17 | jrib, there's around 80 meg of 50-100 kb images each. so i expect it to take a considerable amount of time | 02:13 |
darkchr0n0s | brownie17 : try on single image first? | 02:13 |
brownie17 | darkchr0n0s, i made backups, so that's no worry. but i'd rather not CTRL+C out of this in case it ruins some of the images. | 02:14 |
brownie17 | darkchr0n0s, in other words, too late! ;D | 02:14 |
brownie17 | one or two of the jpgs have been reported as corrupt, but that's to be expected i think. i haven't verified all of these are already working fine | 02:15 |
brownie17 | jrib, okay it's finished the process now, checking the files they all appear intact, how can i quickly check a single file to see if it is baseline or progressive? | 02:17 |
jrib | no idea | 02:17 |
brownie17 | jrib, k thanks so much for your help | 02:17 |
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