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| #! /usr/bin/env bash | |
| if [[ -z $1 ]]; then | |
| printf "Usage: %s: <grep arguments> [filename]\n" "$(basename "$0")" | |
| exit 1 | |
| fi | |
| function _grep { | |
| PRINT_FILENAME="$1" | |
| FILENAME="$2" | |
| BASENAME="$(basename "$2" .epub)" | |
| MATCHES=1 | |
| for FILENAME_IN_ZIP in $(unzip -Z1 "$FILENAME" | grep -P '.*\.html'); do | |
| if (unzip -p-L "$FILENAME" "$FILENAME_IN_ZIP" | \ | |
| sed -e 's/<[^>]*>//g' | \ | |
| sed -e '/^[[:space:]]*$/d' | \ | |
| sed -e 's/^[[:space:]]*//g' | \ | |
| while IFS= read -r line; do | |
| if $PRINT_FILENAME; then | |
| echo -n -e "\e[31m$BASENAME\e[0m: "; | |
| fi | |
| echo "$line"; | |
| done) | grep "${@:3}"; then | |
| MATCHES=0 | |
| fi | |
| done | |
| return $MATCHES | |
| } | |
| if [[ -f "${@:$#}" ]]; then | |
| _grep "false" "${@:$#}" "${@:1:$(($#-1))}"; | |
| exit $? | |
| fi | |
| FIRST=true | |
| while IFS='' read -r -d '' FILENAME; do | |
| OUTPUT=$(_grep "true" "$FILENAME" "$@";) | |
| if [[ $? == 0 ]]; then | |
| if ! $FIRST; then | |
| echo | |
| fi | |
| echo "$OUTPUT" | |
| else | |
| echo -n . | |
| fi | |
| FIRST=false | |
| done < <(find . -type f -name '*.epub' -print0) |
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