Linux Script嵌套if语句给出语法错误
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了Linux Script嵌套if语句给出语法错误,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含1966字,纯文字阅读大概需要3分钟。
内容图文
我试图嵌套多个if语句如下:
#!/bin/bash
# start_server.sh
#
# Use this script to start the MarketDataTransmitter.
#
# Usage: ./start_server.sh Starts the MarketDataTransmitter.
reset=$(tput sgr0)
red=$(tput setaf 1)
green=$(tput setaf 2)
yellow=$(tput setaf 3)
cyan=$(tput setaf 6)
echo
directory=$(ls -l)
check_exist=$(awk -v a="$directory" -v b="MarketDataTransmitter" 'BEGIN { print index(a, b) }')
if [ "$check_exist" = "0" ]; then
# MarketDataTransmitter is not present.
echo "${red}[ERROR]${reset} Could not start ${yellow}MarketDataTransmitter${reset}."
echo " ${yellow}MarketDataTransmitter${reset} could not be found."
else
# MarketDataTransmitter is present.
processes=$(ps -ef | grep -i "MarketDataTransmitter" | grep -v "grep" | grep -v "bash" | awk '{ print $8 }')
check_run=$(awk -v a="$processes" -v b="MarketDataTransmitter" 'BEGIN { print index(a, b) }')
if [ "$check_run" = "0" ]; then
# MarketDataTransmitter is not running.
if [ -e "srv.log" ]; then
if [ -s "srv.log" ]; then
if [ -d "logs" ]; then
date_time=$(date '+%Y%m%d_%H_%M_%S')
new_log_name="srv_$date_time.log"
mv srv.log $new_log_name
mv $new_log_name logs
else
mkdir logs
date_time=$(date '+%Y%m%d_%H_%M_%S')
new_log_name="srv_$date_time.log"
mv srv.log $new_log_name
mv $new_log_name logs
fi
else
echo "srv.log is empty and will be removed."
rm -rf srv.log
fi
else
# No srv.log but this is to start MarketDataTransmitter so we can ignore.
fi
./MarketDataTransmitter > srv.log &
echo "${yellow}MarketDataTransmitter${reset} has been started."
else
# MarketDataTransmitter is already running.
echo "${red}[ERROR]${reset} Could not start ${yellow}MarketDataTransmitter${reset}."
echo " ${yellow}MarketDataTransmitter${reset} is already running."
fi
fi
echo
然而它给我语法投诉说:
意外标记’fi’附近的语法错误
在最后一个’fi’
有谁知道为什么?
谢谢.
[编辑]已发布完整代码.
解决方法:
你有一个else语句和fi语句,在44-46行之间没有任何内容(只是它们之间的注释).在bash中,你需要在else块的主体中??有一些语句,或者取出else块.
内容总结
以上是互联网集市为您收集整理的Linux Script嵌套if语句给出语法错误全部内容,希望文章能够帮你解决Linux Script嵌套if语句给出语法错误所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。