comando de teste
Qualquer arquivo que passar no teste ( -f
) é um arquivo normal:
$ test -f afile.zip && echo regular
regular
Se você olhar a página de manual para test
, verá todos os vários tipos de arquivos.
comando stat
Você também pode verificar se um arquivo é regular usando o comando stat
:
$ stat afile.zip
File: 'afile.zip'
Size: 1512 Blocks: 8 IO Block: 4096 regular file
Device: fd02h/64770d Inode: 10370668 Links: 1
Access: (0664/-rw-rw-r--) Uid: ( 500/ saml) Gid: ( 501/ saml)
Access: 2013-11-07 15:52:06.719632792 -0500
Modify: 2013-11-07 15:52:00.949760104 -0500
Change: 2013-11-07 15:52:00.949760104 -0500
função stat ()
Para entender mais sobre a diferença entre um arquivo regular e os outros tipos possíveis, consulte a man page de stat
. Certifique-se de olhar para a página man do manual do programador e não para a página man do comando stat
real.
$ man 2 stat
Esta seção, em particular, mostra os vários tipos de arquivos:
The following flags are defined for the st_mode field:
S_IFMT 0170000 bit mask for the file type bit fields
S_IFSOCK 0140000 socket
S_IFLNK 0120000 symbolic link
S_IFREG 0100000 regular file
S_IFBLK 0060000 block device
S_IFDIR 0040000 directory
S_IFCHR 0020000 character device
S_IFIFO 0010000 FIFO
S_ISUID 0004000 set UID bit
S_ISGID 0002000 set-group-ID bit (see below)
S_ISVTX 0001000 sticky bit (see below)
S_IRWXU 00700 mask for file owner permissions
S_IRUSR 00400 owner has read permission
S_IWUSR 00200 owner has write permission
S_IXUSR 00100 owner has execute permission
S_IRWXG 00070 mask for group permissions
S_IRGRP 00040 group has read permission
S_IWGRP 00020 group has write permission
S_IXGRP 00010 group has execute permission
S_IRWXO 00007 mask for permissions for others (not in group)
S_IROTH 00004 others have read permission
S_IWOTH 00002 others have write permission
S_IXOTH 00001 others have execute permission