Import Splunk Add-On for Unix and Linux version 9.2.0
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199
bin/nfsiostat.sh
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199
bin/nfsiostat.sh
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#!/bin/sh
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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 "$0")"/common.sh
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HEADER='Mount Path r_op/s w_op/s r_KB/s w_KB/s rpc_backlog r_avg_RTT w_avg_RTT r_avg_exe w_avg_exe'
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HEADERIZE="BEGIN {print \"$HEADER\"}"
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# We can have the multiple mounts for the nfs. So we have to parse mount separately.
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# For CentOS and RHEL the number of lines for each mount is 9, while for the ubuntu it is 22
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# due to the bug mentioned in this link. https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/1584719
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# So, we are handling the case of Ubuntu separately.
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# When awk iterates through each line, using modulo operator we are checking the line number
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# And extracting the particular value from that line and assigning it to the variable
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# which we will use when the output of modulo is 0 as it will be the last line of that mount.
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# We are also removing last character in the line "path=substr($4, 1, length($4)-1)"
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# as last character of the path is ":"
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if [ "$KERNEL" = "Linux" ] ; then
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OS_FILE=/etc/os-release
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if echo "$OS_ID" | grep -qi suse; then
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CMD='/usr/sbin/nfsiostat'
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assertHaveCommandGivenPath $CMD
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else
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CMD='nfsiostat'
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assertHaveCommand $CMD
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fi
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no_of_lines=$($CMD| wc -l)
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# If there are no mount, exit
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if [ "$no_of_lines" -eq 1 ];
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then
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$CMD >> "$TEE_DEST"
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exit 1
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fi
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# Below condition is added to handle the case of Ubuntu OS
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if [ -e $OS_FILE ] && (awk -F'=' '/ID=/ {print $2}' $OS_FILE | grep -q ubuntu);
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then
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# shellcheck disable=SC2016
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OS_RELEASE=$($AWK -F= '/VERSION_ID=/ {print $2}' $OS_FILE)
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if [ "$OS_RELEASE" = "\"18.04\"" ] || [ "$OS_RELEASE" = "\"20.04\"" ] || [ "$OS_RELEASE" = "\"22.04\"" ] ; then # Ubuntu 18.04, 20.04 and 22.04
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# shellcheck disable=SC2016
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FORMAT='{
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if (NR%10==2){
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echo "device"
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device=$1
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path=substr($4, 1, length($4)-1)
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}
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else if (NR%10==5){
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rpc_backlog=$2
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}
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else if (NR%10==8){
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r_op_s=$1
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r_kb_s=$2
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r_avg_rtt=$6
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r_avg_exe=$7
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}
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else if (NR%10==0){
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w_op_s=$1
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w_kb_s=$2
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w_avg_rtt=$6
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w_avg_exe=$7
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printf "%s %s %s %s %s %s %s %s %s %s %s\n",device, path, r_op_s, w_op_s, r_kb_s, w_kb_s, rpc_backlog, r_avg_rtt, w_avg_rtt, r_avg_exe, w_avg_exe
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}
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}'
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else
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# shellcheck disable=SC2016
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FORMAT='{
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if (NR%22==2){
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echo "device"
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device=$1
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path=substr($4, 1, length($4)-1)
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}
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else if (NR%22==6){
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rpc_backlog=$1
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}
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else if (NR%22==9){
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r_op_s=$1
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}
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else if (NR%22==10){
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r_kb_s=$1
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}
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else if (NR%22==13){
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r_avg_rtt=$1
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}
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else if (NR%22==14){
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r_avg_exe=$1
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}
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else if (NR%22==17){
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w_op_s=$1
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}
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else if (NR%22==18){
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w_kb_s=$1
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}
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else if (NR%22==21){
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w_avg_rtt=$1
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}
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else if (NR%22==0){
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w_avg_exe=$1
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printf "%s %s %s %s %s %s %s %s %s %s %s\n",device, path, r_op_s, w_op_s, r_kb_s, w_kb_s, rpc_backlog, r_avg_rtt, w_avg_rtt, r_avg_exe, w_avg_exe
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}
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}'
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fi
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# For SUSE OS
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elif echo "$OS_ID" | grep -qi suse;
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then
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FORMAT='{
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if (NR%10==2){
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device=$1
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path=substr($4, 1, length($4)-1)
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}
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else if (NR%10==5){
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rpc_backlog=$2
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}
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else if (NR%10==8){
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r_op_s=$1
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r_kb_s=$2
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r_avg_rtt=$6
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r_avg_exe=$7
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}
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else if (NR%10==0){
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w_op_s=$1
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w_kb_s=$2
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w_avg_rtt=$6
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w_avg_exe=$7
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printf "%s %s %s %s %s %s %s %s %s %s %s\n",device, path, r_op_s, w_op_s, r_kb_s, w_kb_s, rpc_backlog, r_avg_rtt, w_avg_rtt, r_avg_exe, w_avg_exe
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}
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}'
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# For CentOS and RHEL
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else
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#For RHEL 8.x
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if [ -e $OS_FILE ] && ( ( (awk -F'=' '/ID=/ {print $2}' $OS_FILE | grep -q rhel) && (awk -F'=' '/VERSION_ID=/ {print $2}' $OS_FILE | grep -Eq 8.7\|8.6\|8.5\|8.4\|8.3\|9) ) || ( (awk -F'=' '/ID=/ {print $2}' $OS_FILE | grep -q cent) && (awk -F'=' '/VERSION_ID=/ {print $2}' $OS_FILE | grep -Eq 8) ) );
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then
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# shellcheck disable=SC2016
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FORMAT='{
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if (NR%10==2){
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device=$1
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path=substr($4, 1, length($4)-1)
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}
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else if (NR%10==5){
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rpc_backlog=$2
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}
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else if (NR%10==8){
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r_op_s=$1
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r_kb_s=$2
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r_avg_rtt=$6
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r_avg_exe=$7
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}
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else if (NR%10==0){
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w_op_s=$1
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w_kb_s=$2
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w_avg_rtt=$6
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w_avg_exe=$7
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printf "%s %s %s %s %s %s %s %s %s %s %s\n",device, path, r_op_s, w_op_s, r_kb_s, w_kb_s, rpc_backlog, r_avg_rtt, w_avg_rtt, r_avg_exe, w_avg_exe
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}
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}'
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else
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# shellcheck disable=SC2016
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FORMAT='{
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if (NR%9==2){
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device=$1
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path=substr($4, 1, length($4)-1)
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}
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else if (NR%9==5){
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rpc_backlog=$2
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}
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else if (NR%9==7){
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r_op_s=$1
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r_kb_s=$2
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r_avg_rtt=$6
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r_avg_exe=$7
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}
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else if (NR%9==0){
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w_op_s=$1
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w_kb_s=$2
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w_avg_rtt=$6
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w_avg_exe=$7
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printf "%s %s %s %s %s %s %s %s %s %s %s\n",device, path, r_op_s, w_op_s, r_kb_s, w_kb_s, rpc_backlog, r_avg_rtt, w_avg_rtt, r_avg_exe, w_avg_exe
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}
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}'
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fi
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fi
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$CMD | tee "$TEE_DEST" | awk "$HEADERIZE $FORMAT" | column -t
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echo "Cmd = [$CMD]; | awk '$HEADERIZE $FORMAT' header=\"$HEADER\"" >> "$TEE_DEST"
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else
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failUnsupportedScript
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fi
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