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if ("$num1" != "") then sed -i "${num1}c #" Makefile else echo "do not find grep1" exit 1 endif 详细解释上述shell脚本

这段代码的意思是，如果变量 "$num1" 不为空字符串，则使用 sed 命令编辑文件，将文件的第 ${num1} 行替换成指定的内容这段代码是什么意思？这段代码的意思是，如果变量 "$num1" 不为空字符串，则使用 sed 命令...

解释脚本：#!/bin/bash #version: 0.1.0 20230510 totalstarttime=$(date +%s) # 计算间隔时间 pkg_name=pwd |sed 's/\// /g'| awk '{print$NF}' SWITCH_FW=${pkg_name::-8}"SIGN.fw" cd pwd G4XDIAG=./g4Xdiagnostics.x86_64 result_log=SR6295A_793_PCIeFW_UPDATE_date '+%Y%m%d%H%M%S'.log mpt_cnt=lsmod | grep -i mpt3sas | wc -l if [ $mpt_cnt != 0 ];then rmmod mpt3sas fi mpt3sas_driver=ls | grep "mpt3sas-" tar -zxvf $mpt3sas_driver cd mpt3sas/ ./compile.sh ./load.sh cd ../ echo -e "\n Switch Firmware Is Upgrading!!! \n" CNT=$G4XDIAG -i 1 list | grep "MPI" | wc -l echo "FW Image Is:" >> $result_log echo $SWITCH_FW | grep "SR6295A_793" >> $result_log if [ $? != 0 ]; then echo "PCIe FW Name Is Not Matched!" >> $result_log echo -e "\n FAIL: PCIe FW Name Is Not Matched! \n" exit 1 else if [ $CNT != 4 ];then echo "Lost switch!" >> $result_log $G4XDIAG -i 1 list >> $result_log echo -e "\n FAIL: Lost switch \n" exit 1 fi fi #Check platform for i in $(seq 1 1 $CNT) do hq_cmd=$G4XDIAG -i $i cli showloc | grep "Current Switch Location" | wc -l if [ $hq_cmd == 0 ];then echo -e "\n Platform Is Not Matched! \n" >> $result_log echo -e "\n FAIL:Platform Is Not Matched!\n" exit 1 fi done #FW upgrade for i in $(seq 1 1 $CNT) do $G4XDIAG -i $i cli showloc >> $result_log $G4XDIAG -i $i dl -f $SWITCH_FW -s >> $result_log ret=cat $result_log | tail -n 5 | grep -i "successfully" | wc -l if [ $ret == 1 ];then echo -e "\n Switch FW Download SUCCESS!!! \n" >> $result_log else echo -e "\n Switch FW Download FAIL!!! \n" >> $result_log echo -e "\n Switch FW Download FAIL!!! \n" exit 1 fi done echo -e "\n Upgrade PASS!!! Need restart the system to make the fresh image active! \n" totalendtime=$(date +%s) echo -e "\n Total FW update finished! Total cost time : $(( $totalendtime - $totalstarttime )) s\n" >> $result_log sleep 5 exit 0

1. 获取当前目录的名称并存储为pkg_name变量。 2. 设置SWITCH_FW变量为pkg_name的一部分加上"SIGN.fw"。 3. 检查是否加载了mpt3sas内核模块，如果加载了，则通过rmmod命令卸载它。 4. 查找并解压mpt3sas驱动文件。 5...

#!/bin/sh #HOME=/ BIN=PLCXPro stoprun() { PID=ps -ef --cols=200|grep -v stopapp |grep "$1" | awk '{print $2 " " $8}'|sed -e '/grep/d' -e 's/^ //' -e 's/ .//' if [ -n "$PID" ] then echo "$1 id is $PID, kill normal process!" kill -3 $PID else echo "$1 id $PID is down! it's over!" fi } stoprunstart() { PID=ps -ef --cols=200|grep -v stopapp |grep "$1"|grep start | awk '{print $2 " " $8}'|sed -e '/grep/d' -e 's/^ //' -e 's/ .//' if [ -n "$PID" ] then echo "$1 id is $PID, kill normal process!" kill -9 $PID else echo "$1 id $PID is down! it's over!" fi } runtest() { PID=ps -ef --cols=200|grep -v stopapp |grep "$1" | awk '{print $2 " " $8}'|sed -e '/grep/d' -e 's/^ //' -e 's/ .//' if [ -n "$PID" ] then ## echo $1 id is $PID, sys normal process! sleep 30 else echo $1 is down! reload the process! date echo nohup $BIN & nohup ./$BIN > /dev/null & fi }怎么开启或者重启这个PLCXPro

可以运行以下命令来重启 PLCXPro 进程： ./stopapp.sh PLCXPro 该命令会执行 stoprun 函数，查找并终止名为 PLCXPro 的进程。然后再执行以下命令来启动 PLCXPro 进程： ./runapp.sh PLCXPro ...

while true; do [ -z "${1:-}" ] && break; case "$1" in --help|-h) if [ -z "$help_message" ]; then echo "No help found." 1>&2; else printf "$help_message\n" 1>&2 ; fi; exit 0 ;; --=) echo "$0: options to scripts must be of the form --name value, got '$1'" exit 1 ;; --) name=echo "$1" | sed s/^--// | sed s/-/_/g; eval '[ -z "${'$name'+xxx}" ]' && echo "$0: invalid option $1" 1>&2 && exit 1; oldval="eval echo $$name"; if [ "$oldval" == "true" ] || [ "$oldval" == "false" ]; then was_bool=true; else was_bool=false; fi eval $name="$2"; if $was_bool && [[ "$2" != "true" && "$2" != "false" ]]; then echo "$0: expected "true" or "false": $1 $2" 1>&2 exit 1; fi shift 2; ;; ) break; esac done完成了什么功能

1. 如果参数是 --help 或 -h，则显示帮助信息并退出。 2. 如果参数的格式不正确（不是以 -- 开头，或者没有值），则显示错误信息并退出。 3. 如果参数的名称是一个有效的 Bash 变量名，则将其值设置为参数的值。 4. ...

以下shell脚本是什么意思，转成python是什么样的。 if [ 1 -eq $# ] && [ "-V" == "$1" -o "-v" == "$1" ] ; then echo "TU version is:$TU_VERSION" exit 0 fi line_temp=$(cat /root/SLOT_SN.txt | head -1 | awk -F ";" '{print $1}' | grep "-") if [ -n "$line_temp" ] ; then flag=1 fi while read line_temp do if [ "$line_temp" = "" ] ; then continue fi SLOT_INFO[$num]=$(echo $line_temp | awk -F ";" '{print $1}' | tr A-Z a-z | tr -d ":") if [ $flag = 1 ] ; then LINK_ID[$num]=$(echo $line_temp | awk -F ":" '{print $2}' | awk -F ";" '{print $1}' | awk -F "-" '{print $1}' | sed 's/^0//g') LINK_ID[$num]=$((LINK_ID[$num]+0)) SLOT_ID[$num]=$(echo $line_temp | awk -F ":" '{print $2}' | awk -F ";" '{print $1}' | awk -F "-" '{print $2}' | sed 's/^0//g') SLOT_ID[$num]=$((SLOT_ID[$num]+0)) else SLOT_ID[$num]=$(echo $line_temp | awk -F ":" '{print $2}' | awk -F ";" '{print $1}' | sed 's/^0*//g') SLOT_ID[$num]=$((SLOT_ID[$num]+0)) fi #获取UUT_SN UUT_SN[$num]=$(echo $line_temp | awk -F ":" '{print $3}' | awk -F ";" '{print $1}') ((num++)) done </root/SLOT_SN.txt

if len(sys.argv) == 2 and (sys.argv[1] == "-V" or sys.argv[1] == "-v"): print("TU version is:{}".format(TU_VERSION)) exit(0) with open('/root/SLOT_SN.txt', 'r') as f: num = 0 SLOT_INFO = [] LINK...

while true; do [ -z "${1:-}" ] && break; case "$1" in --help|-h) if [ -z "$help_message" ]; then echo "No help found." 1>&2; else printf "$help_message\n" 1>&2 ; fi; exit 0 ;; --=) echo "$0: options to scripts must be of the form --name value, got '$1'" exit 1 ;; --) name=echo "$1" | sed s/^--// | sed s/-/_/g; eval '[ -z "${'$name'+xxx}" ]' && echo "$0: invalid option $1" 1>&2 && exit 1; oldval="eval echo \\$$name"; if [ "$oldval" == "true" ] || [ "$oldval" == "false" ]; then was_bool=true; else was_bool=false; fi eval $name=\"$2\"; if $was_bool && [[ "$2" != "true" && "$2" != "false" ]]; then echo "$0: expected \"true\" or \"false\": $1 $2" 1>&2 exit 1; fi shift 2; ;; ) break; esac done是什么意思

then echo "$0: expected \"true\" or \"false\": $1 $2" 1>&2 exit 1; fi shift 2; ;; 表示如果当前参数以 -- 开头，则将其解析为对应的变量名，并将下一个参数作为变量值进行赋值。如果原来的变量值是 true 或 ...

set -e shopt -s nocasematch function process_debug_scripts { if [[ -d $1 ]]; then for filename in ls $1 do sed -e "s@ZZZZZZ@$BUILD_ROOT@g" -e "s@WWWWWW@$WORKSPACE@g" \ "$1/$filename" \ > "$BUILD_ROOT/$filename" #For ARMCYGWIN, we have to change /cygdrive/c to c: if [[ $TARGET_TOOLS == RVCT31CYGWIN ]] then mv "$BUILD_ROOT/$filename" "$BUILD_ROOT/$filename"_temp sed -e "s@/cygdrive/$.$@\1:@g" \ "$BUILD_ROOT/$filename"_temp \ > "$BUILD_ROOT/$filename" rm -f "$BUILD_ROOT/$filename"_temp fi done fi } # # Setup workspace if it is not set # if [ -z "${WORKSPACE:-}" ] then echo Initializing workspace export EDK_TOOLS_PATH=pwd/BaseTools source edksetup.sh BaseTools else echo Building from: $WORKSPACE fi if [[ ! -e $EDK_TOOLS_PATH/Source/C/bin ]]; then # build the tools if they don't yet exist echo Building tools: $EDK_TOOLS_PATH make -C $EDK_TOOLS_PATH else echo using prebuilt tools fi TARGET=DEBUG for arg in "$@" do if [[ $arg == RELEASE ]]; then TARGET=RELEASE fi done mkdir -p ./Build

这段脚本的作用是设置一些环境变量并构建工具。首先，它会检查是否设置了WORKSPACE环境变量，如果没有设置，则初始化工作空间并设置EDK_TOOLS_PATH环境变量。然后，它会检查是否已经构建了工具，如果没有则构建...

逐条注释 if [ -f "/etc/pam.d/password" ];then if grep -q "password requisite pam_cracklib.so retry=3 minlen=8 minclass=3 ucredit=-1 lcredit=-1 dcredit=-1 ocredit=-1" /etc/pam.d/password then sed -i '/password requisite pam_cracklib.so retry=3 minlen=8 minclass=3 ucredit=-1 lcredit=-1 dcredit=-1 ocredit=-1/s/^#//' /etc/pam.d/password else echo 'password requisite pam_cracklib.so retry=3 minlen=8 minclass=3 ucredit=-1 lcredit=-1 dcredit=-1 ocredit=-1' >> /etc/pam.d/password fi if grep -q "password required pam_unix.so remember=5 use_authtok md5 shadow" /etc/pam.d/password then sed -i '/password required pam_unix.so remember=5 use_authtok md5 shadow/s/^#//' /etc/pam.d/password else echo 'password required pam_unix.so remember=5 use_authtok md5 shadow' >> /etc/pam.d/password fi fi

if grep -q "password requisite pam_cracklib.so retry=3 minlen=8 minclass=3 ucredit=-1 lcredit=-1 dcredit=-1 ocredit=-1" /etc/pam.d/password then sed -i '/password requisite pam_cracklib.so retry=3 ...

unction addSelect() { name=$(whoami) cut -d^ -f 1,2 ./student/course read -p "请输入要选课老师的用户名:" teaName read -p "请输入要选课的课程名:" courseName if cut -f 1 ./student/course | grep -qw "$teaName^$courseName"; then if cut -f 1 ./student/elective | grep -qw "$name^$teaName^$courseName"; then echo "课程已选" else echo "$name^$teaName^$courseName">>./student/elective num=$(cut -f 1 ./student/course | grep -w "$teaName^$courseName" | cut -d^ -f 3) sed -i "s/$$teaName^$courseName^$$num/\1expr $num + 1/g" ./student/course echo "选课成功" fi else echo "未查询到该课程" fi }

这段代码定义了一个名为 ...如果已经选过，则输出 "课程已选"，否则将选课信息添加到 ./student/elective 文件中，并且使用 sed 命令将该课程对应老师的选课人数加 1。最后输出 "选课成功" 或者 "未查询到该课程"。

#!/bin/bash UNAME1="Linux ubuntu 4.4.53-rt66 #1 SMP PREEMPT RT Thu Jan 12 14:26:57 CST 2023 i686 i686 i686 GNU/Linux" str=uname -a result=$(grep "/home/inexbot/robot/log" /etc/rc.local) echo $result if [ -f "S23505.bin" ];then result1=$(sudo hdparm -i /dev/sda | grep "S22831\|S21606") echo "result1=$result1" if [[ "$result1" != "" ]];then sudo hdparm --yes-i-know-what-i-am-doing --please-destroy-my-drive --fwdownload-mode7 S23505.bin /dev/sda sleep 1 sudo rm -r S23505.bin echo "Done!" else sudo rm -r S23505.bin echo "sorry!" fi fi if [ "$str" = "$UNAME1" ];then if [ "$result" = "" ];then sudo sed -i "23s/tmpfs \/var\/log/#tmpfs \/var\/log/" /etc/fstab sudo sed -i "18s!\/log!\/home\/inexbot\/robot\/log!" /etc/rc.local echo "yes" fi rm -r /home/inexbot/robot/repair.sh sleep 1 echo "sucess one" sleep 1 reboot else rm -r /home/inexbot/robot/repair.sh sleep 1 echo "fail" sleep 1 reboot fi 是什么意思呢，或者有含蓄地表达了什么

- 如果当前目录下存在名为 S23505.bin 的文件，则脚本会检查当前系统硬盘的型号是否为 S22831 或 S21606，并将结果存储到 result1 变量中。如果硬盘型号符合要求，则脚本会执行一个 hdparm 命令，将 S23505.bin 文件...

#!/bin/bash UNAME1="Linux ubuntu 4.4.53-rt66 #1 SMP PREEMPT RT Thu Jan 12 14:26:57 CST 2023 i686 i686 i686 GNU/Linux" str=uname -a result=$(grep "/home/inexbot/robot/log" /etc/rc.local) echo $result if [ -f "S23505.bin" ];then result1=$(sudo hdparm -i /dev/sda | grep "S22831|S21606") echo "result1=$result1" if [[ "$result1" != "" ]];then sudo hdparm --yes-i-know-what-i-am-doing --please-destroy-my-drive --fwdownload-mode7 S23505.bin /dev/sda sleep 1 sudo rm -r S23505.bin echo "Done!" else sudo rm -r S23505.bin echo "sorry!" fi fi if [ "$str" = "$UNAME1" ];then if [ "$result" = "" ];then sudo sed -i "23s/tmpfs /var/log/#tmpfs /var/log/" /etc/fstab sudo sed -i "18s!/log!/home/inexbot/robot/log!" /etc/rc.local echo "yes" fi rm -r /home/inexbot/robot/repair.sh sleep 1 echo "sucess one" sleep 1 reboot else rm -r /home/inexbot/robot/repair.sh sleep 1 echo "fail" sleep 1 reboot fi 能翻译成一段含蓄的话吗

这是一个 Bash 脚本，用于在 Ubuntu 操作系统上进行系统维护。这个脚本会检查系统的版本和配置信息，并根据条件进行一些修复操作，最终重新启动系统。如果要用含蓄的话来表达，可以说这个脚本是在维护和保障系统的...

set_data_source_func() { vio_cfg_file=$1 vio_mode=$2 data_source_num=$3 for i in $(seq 1 $data_source_num); do data_src_line=cat -n ${vio_cfg_file} | grep -w "data_source" | awk '{print $1}' | sed -n ''$i'p' #echo "i:$i vio_cfg_file:$vio_cfg_file data_src_line:$data_src_line vio_mode:$vio_mode" sed -i ''${data_src_line}'s#$"data_source": $.*#\1"'${vio_mode}'",#g' ${vio_cfg_file} done }翻译下

具体实现是通过循环 data_source_num 次，每次找到第 i 个 data_source 属性所在行，然后使用 sed 命令将该行中的 data_source 属性值替换为 vio_mode。最后，修改后的结果会保存回 vio_cfg_file 文件中。

os_disk_symbol=$(echo $(lsblk |grep -B1 -E "part|boot" |grep -E "^sd[a-z]+|^nvme" |awk '{print $1}') |sed 's/ /|/') non_os_disk_set=$(lsscsi -g |-E "ATA|TOSHIBA" |awk '{print $(NF-1)}' |grep -Ev $os_disk_symbol) if [[ -n $non_os_disk_set ]];then for i in $(echo "$non_os_disk_set") do rotationRate=$(smartctl -i $i |awk -F":" '/Rotation Rate/{print $2}') if [[ $rotationRate =~ "Solid State Device" ]];then echo $i |awk -F"/" '{print $3}' >> ssd_symbol_set elif [[ $rotationRate =~ "rpm" ]];then echo $i |awk -F"/" '{print $3}' >> hdd_symbol_set fi done fi

1. 使用 lsblk 命令获取当前系统中所有硬盘的信息，并通过 grep 命令过滤出包含 "part" 或 "boot" 字段的行，然后使用 awk 命令提取出硬盘设备符号，并使用 sed 命令将多个设备符号合并为一个正则表达式。...

潮流计算+二阶锥松弛+对偶形式的matlab源码+对偶理论说明文档.zip

潮流计算是电力系统分析中的关键问题，涉及节点电压幅值和相位的计算。二阶锥松弛是一种数学优化技术，可以将非线性潮流计算问题转化为凸优化问题，从而高效求解。对偶形式则通过将原始优化问题转化为对偶问题，提供了另一种求解途径。本资源包包含Matlab源码和详细的理论说明文档，旨在帮助学生和研究人员深入理解潮流计算的数学模型、算法实现及其在电力系统中的应用。适用于计算机、电子信息工程和数学等专业的大学生或研究生，可作为课程设计、期末大作业或毕业设计的参考资料。

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if ("$num1" != "") then sed -i "${num1}c #" Makefile else echo "do not find grep1" exit 1 endif解释上述代码

if ("$num1" != "") then sed -i "${num1}c #" Makefile else echo "do not find grep1" exit 1 endif

if ("$num1" != "") then sed -i "${num1}c #" Makefile else echo "do not find grep1" exit 1 endif解释

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