两种模式之间的AWK打印线，只需要打印最后出现的匹配线。
两种模式之间的AWK打印线，只需要打印最后出现的匹配线。
提问于 2023-03-10 09:48:37
我想过滤一个日志文件，并在两个匹配之间打印一些行，并且只打印最后一个匹配项。
示例文件内容：
2023-03-08 11:12:44,306 - Code Deploy - INFO - Received signal
2023-03-08 11:12:44,306 - Code Deploy - INFO - Received message signal
2023-03-08 11:12:44,306 - Code Deploy - INFO - Branch is Testing
2023-03-08 11:12:44,307 - Code Deploy - INFO - Deployment started
2023-03-08 11:13:31,782 - Code Deploy - INFO - Old version2_0_5_12
2023-03-08 11:13:31,783 - Code Deploy - INFO - New version2_0_5_13
2023-03-08 11:13:32,553 - Code Deploy - INFO - Permission fixed
2023-03-08 11:13:32,554 - Code Deploy - INFO - Deployment finished
2023-03-08 11:13:34,900 - Code Deploy - ERROR - !!!!!!!!!! EXCEPTION !!!!!!!!!(535, b'5.7.8 Username and Password not accepted. Learn more at\n5.7.8 https://support.google.com/mail/?p=BadCredentials z16-20020a170903019000b0019a97a4324dsm9818181plg.5 - gsmtp')Traceback (most recent call last):
File "/root/code-dployment/server/deploy.py", line 94, in send_email
server.login(gmail_user, gmail_password)
File "/usr/lib/python3.5/smtplib.py", line 729, in login
raise last_exception
File "/usr/lib/python3.5/smtplib.py", line 720, in login
initial_response_ok=initial_response_ok)
File "/usr/lib/python3.5/smtplib.py", line 641, in auth
raise SMTPAuthenticationError(code, resp)
smtplib.SMTPAuthenticationError: (535, b'5.7.8 Username and Password not accepted. Learn more at\n5.7.8 https://support.google.com/mail/?p=BadCredentials z16-20020a170903019000b0019a97a4324dsm9818181plg.5 - gsmtp')
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received message signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Branch is Testing
2023-03-09 11:52:57,195 - Code Deploy - INFO - Deployment started
2023-03-09 11:53:58,246 - Code Deploy - INFO - Old version2_0_5_13
2023-03-09 11:53:58,246 - Code Deploy - INFO - New version2_0_5_14
2023-03-09 11:53:58,498 - Code Deploy - INFO - Permission fixed
2023-03-09 11:53:58,498 - Code Deploy - INFO - Deployment finished
2023-03-09 11:54:00,797 - Code Deploy - ERROR - !!!!!!!!!! EXCEPTION !!!!!!!!!(535, b'5.7.8 Username and Password not accepted. Learn more at\n5.7.8 https://support.google.com/mail/?p=BadCredentials k17-20020aa790d1000000b005907716bf8bsm11097506pfk.60 - gsmtp')Traceback (most recent call last):
File "/root/code-dployment/server/deploy.py", line 94, in send_email
server.login(gmail_user, gmail_password)
File "/usr/lib/python3.5/smtplib.py", line 729, in login
raise last_exception
File "/usr/lib/python3.5/smtplib.py", line 720, in login
initial_response_ok=initial_response_ok)
File "/usr/lib/python3.5/smtplib.py", line 641, in auth
raise SMTPAuthenticationError(code, resp)
smtplib.SMTPAuthenticationError: (535, b'5.7.8 Username and Password not accepted. Learn more at\n5.7.8 https://support.google.com/mail/?p=BadCredentials k17-20020aa790d1000000b005907716bf8bsm11097506pfk.60 - gsmtp')它需要得到两种模式之间的内容。
Pattern1 =“接收信号”
Pattern2 =“部署完成”
预期结果：
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received message signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Branch is Testing
2023-03-09 11:52:57,195 - Code Deploy - INFO - Deployment started
2023-03-09 11:53:58,246 - Code Deploy - INFO - Old version2_0_5_13
2023-03-09 11:53:58,246 - Code Deploy - INFO - New version2_0_5_14
2023-03-09 11:53:58,498 - Code Deploy - INFO - Permission fixed
2023-03-09 11:53:58,498 - Code Deploy - INFO - Deployment finished我希望获得一个AWK命令，以便在bash脚本中使用它。通过使用下面的命令，我找到了一种在两种模式之间筛选内容的解决方案：
# awk '/Received signal/,/Deployment finished/' /tmp/result.log它将打印所有事件的全部匹配行，但是，我需要对其进行筛选，以便它只打印匹配模式的最后一次出现。
上面命令的输出是：
2023-03-08 11:12:44,306 - Code Deploy - INFO - Received signal
2023-03-08 11:12:44,306 - Code Deploy - INFO - Received message signal
2023-03-08 11:12:44,306 - Code Deploy - INFO - Branch is Testing
2023-03-08 11:12:44,307 - Code Deploy - INFO - Deployment started
2023-03-08 11:13:31,782 - Code Deploy - INFO - Old version2_0_5_12
2023-03-08 11:13:31,783 - Code Deploy - INFO - New version2_0_5_13
2023-03-08 11:13:32,553 - Code Deploy - INFO - Permission fixed
2023-03-08 11:13:32,554 - Code Deploy - INFO - Deployment finished
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received message signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Branch is Testing
2023-03-09 11:52:57,195 - Code Deploy - INFO - Deployment started
2023-03-09 11:53:58,246 - Code Deploy - INFO - Old version2_0_5_13
2023-03-09 11:53:58,246 - Code Deploy - INFO - New version2_0_5_14
2023-03-09 11:53:58,498 - Code Deploy - INFO - Permission fixed
2023-03-09 11:53:58,498 - Code Deploy - INFO - Deployment finished回答 1
Unix & Linux用户
发布于 2023-03-10 10:13:32
反转文件，删除不在范围/Deployment finished/,/Received signal/中的所有行，并在匹配该范围的行尾后立即退出。然后逆转结果。
tail -r file |
sed -e '/Deployment finished/,/Received signal/!d' -e '/Received signal/q' |
tail -rGNU系统用户可能希望使用tac代替上面的tail -r。
如果您认为需要使用awk，请将上面管道中的sed命令替换为
awk '/Deployment finished/,/Received signal/; /Received signal/ { exit }'鉴于问题中的数据，产出如下：
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Received message signal
2023-03-09 11:52:57,194 - Code Deploy - INFO - Branch is Testing
2023-03-09 11:52:57,195 - Code Deploy - INFO - Deployment started
2023-03-09 11:53:58,246 - Code Deploy - INFO - Old version2_0_5_13
2023-03-09 11:53:58,246 - Code Deploy - INFO - New version2_0_5_14
2023-03-09 11:53:58,498 - Code Deploy - INFO - Permission fixed
2023-03-09 11:53:58,498 - Code Deploy - INFO - Deployment finished页面原文内容由Unix & Linux提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://unix.stackexchange.com/questions/739286
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