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path. The argument specifies the path name of the file to execute as the new process image. Arguments beginning at arg0 are pointers to arguments to be passed to the new process image. The argv value is an array of pointers to arguments. arg0. The first argument arg0 should be the name of the executable file. Usually it is the same value as the ...
In this example, /usr/bin/env is the full path of the env command. The environment is not altered. Note that it is possible to specify the interpreter without using env, by giving the full path of the python interpreter. A problem with that approach is that on different computer systems, the exact path may be different.
The %ComSpec% variable contains the full path to the command processor; on the Windows NT family of operating systems, this is cmd.exe, while on Windows 9x, %COMSPEC% is COMMAND.COM. %OS% The %OS% variable contains a symbolic name of the operating system family to distinguish between differing feature sets in batchjobs.
PATH is an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs are located. In general, each executing process or user session has its own PATH setting.
An executable file starting with an interpreter directive is simply called a script, often prefaced with the name or general classification of the intended interpreter. The name shebang for the distinctive two characters may have come from an inexact contraction of SHArp bang or haSH bang , referring to the two typical Unix names for them.
An ELF file has two views: the program header shows the segments used at run time, whereas the section header lists the set of sections.. In computing, the Executable and Linkable Format [2] (ELF, formerly named Extensible Linking Format) is a common standard file format for executable files, object code, shared libraries, and core dumps.
cmake_minimum_required (VERSION 3.5) project (HelloWorld CXX) add_executable (hello hello.cpp) To build via CMake, first cd to the directory containing the two files above. Then, generate the native build config files via the cross-platform CMake command:
The target is considered a pattern for matching file names: the % can match any substring of zero or more characters, [53] while other characters match only themselves. The prerequisites likewise use % to show how their names relate to the target name. The example above of a suffix rule would look like the following pattern rule: