idle python shell

Some related regular expressions and some temporary files are often used in shell scripts written in Python.) There are also some related files such as the/etc/passwd file, the following is an introduction to the relevant files we will use in the actual operations of writing shell scripts in gPython. Sys. argv is a list that stores the command line parameters of

=$ (date"+%y:%m:%d%h:%m:%s") AIpavacount=0; -Ipunreachcount=0; - the #Init Log File -Echo$CurT>>IpCheckerDetailLog.txt -Echo$CurT>>PCheckerResLog.txt - + echo Starting ping ... - #Read Ip + whileRead IP A Do at ifPing-c 1-w 1$ip>/dev/null; Then -Echo$ipis avaliable -Echo$ipis avaliable >>IpCheckerResLog.txt -ipavacount=$ (($IpAvaCount+1)) - ElseEcho$ipis unreachable -Echo$ipIs unreachable >>IpCheckerResLog.txt inipunreachcount=$ ((1 +$IpUnReachCount)) - fi to Done + - #Statistics t

#!/bin/bash#Remove the mer.*_ in file name is all of the files in a dirfunctionGetdir () { forElementinch' ls $` DoDir_or_file= $"/"$element if[-D$dir _or_file] then Getdir$dir _or_file Else #deal with all file in DirMv$dir _or_file' Echo$dir _or_file|sed ' s/mer.*) _//G ' fi done}#Check the input argsif(($#ThenEcho"Please input the dir of calibration images"Exitfiroot_dir= $Getdir$root _dir#Create the dir name using TimestrResult_dir="./result_of_"$ (Date +%y:%m:%d-%h:%

Python and the Shell (awk command) enable you to read directly a row of a file and read it by line number. And you can get the exact field of the line, which is similar to the x-axis, y-axis to locate a point. One, awk fetch a column value of a row Awk can set the condition to output the specified K field for each row in M to n rows in the file, using the following format: awk ' nr==m,nr==n {print $k} '

This article describes how to call system commands, Shell scripts, and Python scripts in Nodejs, this article provides examples of using sub-processes to call system commands, execute system commands, call shell scripts for passing parameters, and call python scripts, if you need it, you can see that each language has

Python is a very useful and popular interpretive programming language, one of the advantages of which is the ability to use its interactive shell for exploratory programming. You can try typing in some code and get feedback from the interpreter immediately without having to write a script specifically. But Python's own shell has some limitations, such as the inab

1. Some errors after executing the Python manage.py shell:[Email protected]:~/myobject$ python manage.py Shell/usr/lib/python2.7/dist-packages/pkg_resources.py:1049:userwarning:/home/wyl/.python-eggs isWritable by Group/others andVulnerable to attack when used with Get_resou

Python SSH module logon, remote machine execution of shell Command instance parsing, pythonssh Use the python SSH module to log on and execute shell commands on a remote machine. (The Redhat series should be compatible if the test is successful in CentOS 7 .) Install required modules first # yum install

Python calls shell scripts in two ways: OS. system (CMD) or OS. popen (CMD), the former returns the exit code of the script, and the latter returns the output content during script execution. The actual usage depends on your needs. Assume that there is a shell script test. sh: #! /Bin/bash 1. Echo "Hello world! " 2. Exit 3 OS. System (CMD ): After the

One, bat script:tree/f >. \treef.txtFolder PATH List volume serial number is 0003-c23ad:.│ new text Document-copy (2). txt│ New Text document-copy. txt │ new text document. txt │ ├─ folder 1│ new text Document-copy . txt │ new text document. txt │ ├─ folder 2│ new text Document-copy (2). txt│ new Text Document -copy. txt │ new text document. txt │ ├─ folder 3│ 2.txt│ └─ folder 4 │ 3.txt │ └─ new Folderdir/s >. \dirs.txt The volume in d

The following small series to bring you a Python implementation of a simple shell sed replacement function (example). Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. Code f = open (' Yesterday ', ' R ', encoding= ' utf-8 ') F2 = open (' Yesterday.bak ', ' W ', encoding= ' utf-8 ') old_str = input (' Please enter

The acquisition of command-line parameters is useful for some functional scripts and does not write functionality to the script.Shell command-line arguments directly with $1,$2 and so on can be directly obtainedWhere $ $ represents the second argument, the first parameter of the command line, because the default $ parameter represents the script itself, and [email protected] represents the command-line argument list, which is the total number of arguments.Two, the

#!/usr/bin/env pythonimport reimport osimport timeimport randomip_current = ' while True: Myip = Re.findall (R ' \d+\.\ D+\.\d+\.\d+ ', Os.popen (' Curl-s http://ddns.oray.com/checkip '). Read ()) print time.strftime ("%y-%m-%d%h:%m:%s" print ' current public IP is ', Myip if Myip and Myip! = ip_current: print ' current public IP have changed ' ip_current = Myip webinfo = Os.popen (' Curl-s/HTTP Username: password @ddns.oray.com/ph/update?hostname= domain name my

Python Django Debugging >>> class person (models. Model): ... First_Name = models. Charfield (max_length = ...) Last_Name = models. Charfield (max_length = ...) def __unicode__ (self): ... return u '%s '% (Self.first_name, self.last_name) ... Traceback (most recent): File " The definition of the model must be in the application-you see there it tries to take the name model_module Error-This should have some like for project\appname

Blog migrated, new address opened ========================== Recently busy other, look back to find one months did not send Bowen, slowly, this two months to the first article ------------------------------------------- Requirements: Recently always have to turn the configuration document/wiki/history/note/google and so on, just to get a server address, or a password, or a complex point commonly used but lazy to play the command, the number of times more oneself also vexed, inefficient tim

A recent requirement is to execute the shell command on the page, the first thought is Os.system, Copy Code code as follows: Os.system (' Cat/proc/cpuinfo ') But the results of a printed command on the page 0 or 1, of course, do not meet the requirements. Try the second scenario Os.popen () Copy Code code as follows: Output = Os.popen (' Cat/proc/cpuinfo ') Print Output.read () A file read object is retu

configuration is complete, you can use the shell command to view the hostname and FQDN:-f florianflorian.test.comUse ping to test whether the IP mapping of the hostname is successful.$ ping florianPING florian.test.com (192.168.1.1) 56(84) bytes of data.$ ping florian.test.comPING florian.test.com (192.168.1.1) 56(84) bytes of data.You can also use the Python command to get hostname and FQDNs.$

Methods and instances for calling system commands, Shell scripts, and Python scripts in Nodejs, nodejspython Each language has its own advantages. It can be combined with each other to develop programs that are more efficient to execute, or use which implementation method is simpler. nodejs uses sub-processes to call system commands or files, for more information about the documentation, see refer to interf

++"17. Write Shell program, realize the function of automatically delete 30 accounts. The account name is STD01 to Std30. 1 #!/bin/bash 2 i=1 3 while [$i-le] 4 does 5 if [$i-lt] 6 then 7 Userdel std 0$i 8 Else 9 userdel std$i fi one Let "i++"18. User cleanup, clear all users except the current login userKill $ (Who-u | grep-v ' WhoAmI ' | awk ' {print $6} ' |sort-u)19. Script impl

stronger than above a little bit. For example, I like to focus on the weather, and now I'm going to curl the weather interface. Returns JSON-formatted data, maybe I'll do something about it and print it out. New Nodejs file, named Cmd_exec.js: Copy Code code as follows: var exec = require (' child_process '). exec; var cmdstr = ' Curl http://www.weather.com.cn/data/sk/101010100.html '; Exec (cmdstr, function (err,stdout,stderr) { if (err) { nbsp; console.log (