74 lines
1.9 KiB
Bash
Executable file
74 lines
1.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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# SPDX-FileCopyrightText: 2024 Splunk, Inc.
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# SPDX-License-Identifier: Apache-2.0
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# shellcheck disable=SC1091
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. "$(dirname "$0")"/common.sh
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assertHaveCommand lsof
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CMD='lsof -nPs +c 0'
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# shellcheck disable=SC2016
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FILTER='/Permission denied|NOFD|unknown/ {next}'
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if [[ "$KERNEL" = "Linux" ]] || [[ "$KERNEL" = "HP-UX" ]] || [[ "$KERNEL" = "Darwin" ]] || [[ "$KERNEL" = "FreeBSD" ]] ; then
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if [ "$KERNEL" = "Darwin" ] ; then
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# shellcheck disable=SC2016
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FILTER='/KQUEUE|PIPE|PSXSEM/ {next}'
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elif [ "$KERNEL" = "FreeBSD" ] ; then
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if [[ $KERNEL_RELEASE =~ 11.* ]] || [[ $KERNEL_RELEASE =~ 12.* ]] || [[ $KERNEL_RELEASE =~ 13.* ]]; then
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# empty condition to allow the execution of script as is
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echo > /dev/null
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else
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failUnsupportedScript
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fi
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fi
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else
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failUnsupportedScript
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fi
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PARSE_0='NR == 1 {
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# Extract positions and headers from the first line
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for (i = 1; i <= NF; i++) {
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positions[i] = index($0, $i)
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headers[i] = length($i)
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if (i == NF) {
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printf "%s", $i
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}
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else {
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printf "%10s ", $i
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}
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}
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printf "\n"
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next
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}'
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PARSE_1='{
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id = 1
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for (i = 1; i <= length(positions); i++) {
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if (i == length(positions)) {
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field = substr($0, positions[i])
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} else {
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field = substr($0, positions[i], headers[i])
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}
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if (field ~ /^ *$/) {
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field = "?"
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id--
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} else {
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field = $id
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}
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id = id + 1
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if (i == length(positions)) {
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printf "%s", field
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}
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else {
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printf "%10s ", field
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}
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}
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printf "\n"
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}
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'
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assertHaveCommand "$CMD"
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# shellcheck disable=SC2094
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$CMD 2>"$TEE_DEST" | tee "$TEE_DEST" | awk "$FILTER $PARSE_0 $PARSE_1"
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echo "Cmd = [$CMD 2>$TEE_DEST]; | awk -v positions=\"$positions\" -v headers=\"$headers\" \"$FILTER $PRINTF\"" >> "$TEE_DEST"
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