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name : zpgrep

 # Usage: zpgrep <perl5-compatible regex> <file1> <file2> ... <fileN>
#

zpgrep() {
local file pattern ret

pattern=$1
shift
ret=1

if ((! ARGC)) then
	set -- -
fi

zmodload zsh/pcre || return
pcre_compile -- "$pattern"
pcre_study

for file
do
	if [[ "$file" == - ]] then
		while IFS= read -ru0 buf; do
			pcre_match -- "$buf" && ret=0 && print -r -- "$buf"
		done
	else
		while IFS= read -ru0 buf; do
			pcre_match -- "$buf" && ret=0 && print -r -- "$buf"
		done < "$file"
	fi
done
return "$ret"
}

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