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| | basename, dirname - deliver portions of path names |
SYNOPSIS
| | /usr/bin/basename string [suffix] |
| | /usr/xpg4/bin/basename string [suffix] |
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The basename utility deletes any prefix ending in / and the suffix (if present in string) from string, and prints the result on the standard output. It is normally used inside substitution marks (``) within shell procedures.
/usr/bin
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The suffix is a pattern defined on the expr(1) manual page.
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/usr/xpg4/bin
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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.
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| | Example 1. Setting environment variables
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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:
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example% NAME=`basename $HOME/personal/mail`
example% MYMAILPATH=`dirname $HOME/personal/mail`
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Example 2. Compiling a file and moving the output
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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:
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example% cc $1
example% mv a.out `basename $1 .c`
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See environ(5) for descriptions of the following environment variables that affect the execution of basename and dirname: LC_CTYPE, LC_MESSAGES, and NLSPATH.
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The following exit values are returned:
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0
- Successful completion.
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>0
- An error occurred.
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See attributes(5) for descriptions of the following attributes:
/usr/bin
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| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Availability | SUNWcsu |
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/usr/xpg4/bin
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| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Availability | SUNWxcu4 |
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