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Bash script - variable content as a command to run
...
You just need to do:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
$(perl test.pl test2 $count)
However, if you want to call your Perl command later, and that's why you want to assign it to a variable, then:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
var="perl test.pl ...
How to retrieve a user environment variable in CMake (Windows)
...ith one of the consecutive builds (you just call e.g. make, one CMakeLists.txt was changed and CMake runs through the generation process again), the user defined environment variable may not be there anymore (in comparison to system wide environment variables).
So I transfer those user defined envi...
Sending HTTP POST Request In Java
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// Send our file
try(InputStream file = new FileInputStream("test.txt")) {
sendFile(out, "identification", file, "text.txt");
}
// Finish the request
out.write(finishBoundaryBytes);
}
// Do something with http.getInputStream()
...
Key hash for Android-Facebook app
....bin > sha1.bin
C:\Users\Me>openssl base64 -in sha1.bin -out base64.txt
After running these commands the valid hash is stored in the file base64.txt. Copy and paste this to your app settings on Facebook.
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Hidden Features of VB.NET?
...e you noticed the Like comparison operator?
Dim b As Boolean = "file.txt" Like "*.txt"
More from MSDN
Dim testCheck As Boolean
' The following statement returns True (does "F" satisfy "F"?)'
testCheck = "F" Like "F"
' The following statement returns False for Option Compare Binary'
' a...
How do I use sudo to redirect output to a location I don't have permission to write to?
...t take these as arguments. For example:
sudo log_script command /log/file.txt
Call a shell and pass the command line as a parameter with -c
This is especially useful for one off compound commands.
For example:
sudo bash -c "{ command1 arg; command2 arg; } > /log/file.txt"
...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...C++程序中调用JavaScript及VBScript。效果截图：
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's vis...
Using parameters in batch files at Windows command line
...one code echo %1 if I call it via cmd eg xx.bat &parameter > "C:\yy.txt" calling the bat file with parameter and writing to txt file but if I give & in parameter at the beginning or end it's not working. Any other text working fine.
– Alex Mathew
Aug...
How can I ignore everything under a folder in Mercurial
... all directories & sub-directories named bin but not any file name bin.txt or bin1 . What's the point of asterix?
– user
Jun 30 '13 at 13:03
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tomcat - CATALINA_BASE and CATALINA_HOME variables
...provided.
There is a pretty good description of this setup in the RUNNING.txt file in the root of the Apache Tomcat distribution under the heading Advanced Configuration - Multiple Tomcat Instances
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