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|
#!/bin/bash
#
# Copyright, the authors of the Linux man-pages project
# SPDX-License-Identifier: GPL-3.0-or-later
set -Eefuo pipefail;
trap 'exit 2;' ERR;
# Defaults:
A='';
B='';
C='';
c='';
h='-H';
i='';
l='';
m='';
n='';
t='';
x='c';
grepc_err()
{
>&2 printf '%s\n' "$(basename "$0"): error: $*";
exit 2;
}
while getopts "A:B:C:chilm:nt:x:" opt; do
case "$opt" in
A) A="-A$OPTARG"; ;;
B) B="-B$OPTARG"; ;;
C) C="-C$OPTARG"; ;;
c) c='-c'; ;;
h) h='-h'; ;;
i) i='-i'; ;;
l) l='-l'; ;;
m) m="-m$OPTARG"; ;;
n) n='-n'; ;;
t) t="$t -t$OPTARG"; ;;
x) x="$OPTARG"; ;;
\? | *) exit 2; ;;
esac;
done;
shift $((OPTIND-1));
if test $# -lt 1; then
grepc_err "Missing identifier.";
fi;
identifier="$1";
shift;
patterns="$(mktemp -t grepc.patterns.XXXXXX)";
# shellcheck disable=SC2086 # $t may contain zero or more flags
"grepc_$x" $t "$identifier" >"$patterns";
export opts="$A $B $C $c $h $i $l -M $m $n";
if test -z "$*"; then
# shellcheck disable=SC2086 # $opts may contain zero or more flags
pcre2grep $opts -f "$patterns" || test $? -eq 1;
else
find "$@" -type f -print0 \
| if test -z "$c"; then
xargs -0 sh -c 'grep -lZPI $i -e "$0" -- "$@" || test $? -eq 1;' "$identifier";
else
cat;
fi \
| xargs -0 sh -c 'pcre2grep $opts -f "$0" -- "$@" || test $? -eq 1;' "$patterns";
fi;
|
