Format ms power point slide text from operating systems into markdown

replace.sh

#!/bin/bash
# Usage: ./replace.sh

#* Adapted from slides by Reva Freedman (The UNIX Systems), NIU
### Feng Chen
### Tue/Thu 5:00-6:30PM
#1120 Patrick F. Taylor Hall

# https://github.com/selbyk/operating-systems

FILE="16.shell.programming.md"
shopt -s extglob

for FILE in {9,1[0-5]}.*.md
do
  sed -i.bak -e "s/^.*Cont.)//gm" $FILE
  sed -i.bak -e "s/^.*, LSU$//gm" $FILE
  sed -i.bak -e "s/Feng Chen.*Chapter [0-9]*//gm" $FILE

  sed -i.bak -e "s/^■ /- /gm" $FILE
  sed -i.bak -e "s/^• / - /gm" $FILE
  sed -i.bak -e "s/^● / - /gm" $FILE
  sed -i.bak -e "s/^! /   - /gm" $FILE

  sed -i.bak -r "s/^^([A-Z].+)/### \1/gm" $FILE
  sed -i.bak -r "s/^- ([a-zA-Z]*) –/- **\1** –/gm" $FILE
  sed -i.bak -r "s/### (.*)===$/\1\n===/" $FILE
done

rm ./*.bak