if(access(file_name, F_OK ) != -1) {//file exists}else{//file doesn't exist} You can also useR_OK,W_OK, andX_OKin place ofF_OKto check for read permission, write permission, and execute permission (respectively) rather than existence, and you can OR any of them together (i.e...
printf("File ACCESS.C exists");/*Check for write permission*/if( (_access("ACCESS.C",2))!=-1) printf("File ACCESS.C has write permission"); } } Output FileACCESS.C existsFileACCESS.C has write permission 3.在windows平台下用API函数FindFirstFile(...): (1)检查文件是否存在: #define_...
printf("%s exists!!\n",filename); } else { printf("ERROR: %s doesn't exist!\n",filename); } //free allocated memory free(filename); return 0; } $ gcc -o check_if_file_present check_if_file_present.c $ ./check_if_file_present check_if_file_present.c $ ./check_if_file_p...
1、判断文件夹是否存在 //spath：文件夹路径名 using System.IO; if (Directory.Exists(spath...
在这个示例中,file(EXISTS "path/to/file.txt" file_exists)命令用于检查指定路径下的文件是否存在,结果将保存在file_exists变量中。然后使用if语句根据结果输出不同的提示信息。 检查文件在构建过程中非常常见,可以用于判断一些必要的配置文件、依赖库等是否存在,从而保证项目的正常构建和运行。 推荐的腾讯云相关产品:...
Check the startup file 1. Set file check flag 2. Clear file check flag 3. Query file check flag 0. return Enter your choice(0-3):3 StartUp FileCheck Flag Exists Check the startup file 1. Set file check flag 2. Clear file check flag 3. Query file check flag 0. return Enter your...
EXISTS是CMake的内置函数,用于检查文件或目录是否存在。它的语法是if(EXISTS <file-or-directory>),其中<file-or-directory>是你想要检查的文件或目录的路径。如果指定的文件或目录存在,EXISTS函数会返回true,否则返回false。你可以在if语句中使用它来根据文件或目录是否存在来执行不同的操作。
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