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basename(1) [opensolaris man page]

basename(1)							   User Commands						       basename(1)

NAME
basename, dirname - deliver portions of path names SYNOPSIS
/usr/bin/basename string [suffix] /usr/xpg4/bin/basename string [suffix] dirname string DESCRIPTION
The basename utility deletes any prefix ending in / and the suffix (if present in string) from string, and prints the result on the stan- dard output. It is normally used inside substitution marks (``) within shell procedures. /usr/bin The suffix is a pattern defined on the expr(1) manual page. /usr/xpg4/bin The suffix is a string with no special significance attached to any of the characters it contains. The dirname utility delivers all but the last level of the path name in string. EXAMPLES
Example 1 Setting environment variables The following example, invoked with the argument /home/sms/personal/mail sets the environment variable NAME to the file named mail and the environment variable MYMAILPATH to the string /home/sms/personal: example% NAME=`basename $HOME/personal/mail` example% MYMAILPATH=`dirname $HOME/personal/mail` Example 2 Compiling a file and moving the output This shell procedure, invoked with the argument /usr/src/bin/cat.c, compiles the named file and moves the output to cat in the current directory: example% cc $1 example% mv a.out `basename $1 .c` ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of basename and dirname: LANG, LC_ALL, LC_CTYPE, LC_MESSAGES, and NLSPATH. EXIT STATUS
The following exit values are returned: 0 Successful completion. >0 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: /usr/bin +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ /usr/xpg4/bin +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWxcu4 | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
expr(1), basename(3C), attributes(5), environ(5), standards(5) SunOS 5.11 18 Mar 1997 basename(1)

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dirname(3C)						   Standard C Library Functions 					       dirname(3C)

NAME
dirname - report the parent directory name of a file path name SYNOPSIS
#include <libgen.h> char *dirname(char *path); DESCRIPTION
The dirname() function takes a pointer to a character string that contains a pathname, and returns a pointer to a string that is a pathname of the parent directory of that file. Trailing '/' characters in the path are not counted as part of the path. If path does not contain a '/', then dirname() returns a pointer to the string "." . If path is a null pointer or points to an empty string, dirname() returns a pointer to the string "." . RETURN VALUES
The dirname() function returns a pointer to a string that is the parent directory of path. If path is a null pointer or points to an empty string, a pointer to a string "." is returned. ERRORS
No errors are defined. EXAMPLES
Example 1 Changing the Current Directory to the Parent Directory. The following code fragment reads a pathname, changes the current working directory to the parent directory of the named file (see chdir(2)), and opens the file. char path[[MAXPATHLEN], *pathcopy; int fd; fgets(path, MAXPATHLEN, stdin); pathcopy = strdup(path); chdir(dirname(pathcopy)); fd = open(basename(path), O_RDONLY); Example 2 Sample Input and Output Strings for dirname(). In the following table, the input string is the value pointed to by path, and the output string is the return value of the dirname() func- tion. +-----------------------------+-----------------------------+ | Input String | Output String | +-----------------------------+-----------------------------+ |"/usr/lib"" |"/usr" | +-----------------------------+-----------------------------+ |"/usr/" |"/" | +-----------------------------+-----------------------------+ |"usr" |"/" | +-----------------------------+-----------------------------+ |"/" |"/" | +-----------------------------+-----------------------------+ |"." |"." | +-----------------------------+-----------------------------+ |".." |"." | +-----------------------------+-----------------------------+ USAGE
The dirname() function modifies the string pointed to by path. The dirname() and basename(3C) functions together yield a complete pathname. The expression dirname(path) obtains the pathname of the directory where basename(path) is found. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
basename(1), chdir(2), basename(3C), attributes(5), standards(5) SunOS 5.11 18 Mar 2002 dirname(3C)
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