Gcc basename, c; cd -;. g. c ’. In this comprehensive guide, you‘ll learn how to harness the simplicity and power of basename() to wrangle paths and filenames in C. with MELT) to define some __builtin_basename which would compute the basename at compile time if given a string literal like __FILE__ or else invoke basename at runtime. If the file name contains a period, the basename is everything starting up to (and not including) the last period. 调用示例如下： Jul 26, 2016 · BTW, you could consider customizing your GCC (e. 1-2008 (ISO/IEC 9945-2009), and is equivalent to the function __xpg_basename (). I‘ll cover all the ins and outs so you can eliminate whole classes of bugs and write cleaner file handling code. Full Path C APIs for Extracting Base File Name basename () from libgen. cpp (without its path) at compile time? Nov 28, 2018 · AI写代码 c 运行 1 2 3 这个basename函数可以返回路径最后一个路径 分隔符 之后的内容， 比如 basename("/usr/local/abc") 返回 abc. In the usual case File Name Functions (GNU make) produces the result ‘. In the source standard, basename () is implemented as a macro causing it to behave as described in POSIX 1003. The functions dirname () and basename () break a null-terminated pathname string into directory and filename components The basename command in Linux provides a simple yet powerful way to manipulate filenames and paths directly from the command line. $(basename names…) ¶ Extracts all but the suffix of each file name in names. The functions dirname () and basename () break a null-terminated pathname string into directory and filename components. While conceptually simple, basename can be used in a diverse array of situations, […] Dec 13, 2011 · Since you're using gcc, I think you can change what __FILE__ contains by changing the filename you pass on the command line. This is the correct answer, but it should come with a word of warning: there exists no GNU-specific version of dirname, so calling dirname and GNU basename on a path such as "/home/" (with a trailing slash) will give you a dirname of "/" and an empty string for the basename, completely dropping the "home" component of the path. In the usual case, dirname () returns the string up to, but not including, the final '/', and basename () returns the component following the final '/'. NAME basename, dirname - parse pathname components LIBRARY Standard C library (libc, -lc) SYNOPSIS #include <libgen. Edit: the gcc docs suggest that it's the full path . Oct 26, 2008 · I'm using GCC; __FILE__ returns the current source file's entire path and name: /path/to/file. h> char *dirname(char *path); char *basename(char *path); Description Warning: there are two different functions basename (); see below. With just a few keystrokes, you can strip away unnecessary directory and suffix information, extracting only the core filename you need. The functions dirname () and basename () break a null-terminated pathname string into directory and filename components. cpp. c . If the macro is undefined, basename () from the binary standard is used, with differences as described here: The string identified by path shall not be parse pathname components basename - Man Page parse pathname components Library Standard C library (libc, -lc) Synopsis #include <libgen. If there is no period, the basename is the entire file name. So instead of gcc /full/path/to/file. h> char *dirname(char *path); char *basename(char *path); DESCRIPTION Warning: there are two different functions basename (); see below. So whether you‘re dealing with web uploads, crunching datasets, or building Nov 22, 2025 · Table of Contents Understanding Base File Name vs. Is there a way to get just the file's name file. Periods in the directory part are ignored. Of course there's a bit more to it than that if you're relying on gcc's current directory for the include path or output file location. h Key Features and Behavior Step-by-Step Example: C Program to Extract Base File Name Prerequisites Example Code Explanation of the Code Compilation and Execution Expected Output Common Pitfalls and Solutions Modification of Input String Handling Trailing Slashes Edge Cases Contribute to gcc-mirror/gcc development by creating an account on GitHub. For example, Dec 27, 2023 · This is precisely the problem the basename() function aims to solve. c, try cd /full/path/to; gcc file.


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