dotfiles/local/bin/fsub

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#!/bin/sh
set -e
FSUBRC=~/.config/fsubrc
usage() {
echo "usage: fsub <file>"
echo "fsub expects $FSUBRC to have a blacklist of words"
exit 1
}
[ -z $1 ] && usage
[ -f $1 ] || usage
[ -z $2 ] || usage
[ -f $FSUBRC ] || touch $FSUBRC
cp $1 $1.bak
awk '
BEGIN {
n = 1
i = 0
while(getline < "'$FSUBRC'") {
blacklist[i] = $0
i++
}
}
/^[[:digit:]]+[[:space:]]*$/ {
getline
time = $0
linen = 0
while(getline) {
lines[linen] = $0
linen++
if($0 ~ /^[[:space:]]*$/) break
}
for(j = 0; j < i; j++)
for(k = 0; k < linen; k++)
if(lines[k] ~ blacklist[j]) next
print n
n++
print time
for(j = 0; j < linen; j++)
print lines[j]
}' $1 | sed 's/\r//' > /tmp/fsub
mv /tmp/fsub $1
rm $1.bak