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slack: update instructions for downloading images

This commit is contained in:
Kartik K. Agaram 2022-01-16 20:09:44 -08:00
parent 131b5a5652
commit bf82a57959
1 changed files with 5 additions and 2 deletions
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7
browse-slack/convert_slack.py
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@ -13,8 +13,11 @@
# for f in $(file *.jpg |grep PNG |sed 's/:.*//'); do mv -i $f $(echo $f |sed 's/\.jpg$/.png/'); done
# #
# mkdir ppm
# for f in *.jpg; do jpegtopnm $f |pnmtopnm -plain > ppm/$(echo $f |sed 's/\.jpg$//').ppm; done
# for f in *.png; do png2pnm -n $f > ppm/$(echo $f |sed 's/\.png$//').ppm; done
# for f in *.jpg; do jpegtopnm $f |pnmtoplainpnm > ppm/$(echo $f |sed 's/\.jpg$//').ppm; done
# for f in *.png; do pngtopnm $f |pnmtoplainpnm > ppm/$(echo $f |sed 's/\.png$//').ppm; done
#
# (Depending on your OS, you may need to replace pnmtoplainpnm with `pnmtopnm -plain`. Some places also have a pnm2pnm.
# I don't understand it either.)
#
# Step 3: construct a disk image out of the archives and avatars
# cd .. # go back to the top-level archive directory