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Full Discussion: Whats does this mean
Top Forums Shell Programming and Scripting Whats does this mean Post 49600 by jyotipg on Tuesday 6th of April 2004 06:46:26 AM
Old 04-06-2004
Whats does this mean

Found this piece of code written in ksh. I have no ideas what do the stuff like ${SRF##*\.} do.


SUFFIX=${SRF##*\.}
if [ "$SUFFIX" = "${SRF}" ]; then
SUFFIX=""
fi

I have encountered similar expressions in other programs also. Any pointers on where to learn more about these strange expressions would be really helpful.

Thanks,
JP
 

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BASENAME(1)							   User Commands						       BASENAME(1)

NAME
basename - strip directory and suffix from filenames SYNOPSIS
basename NAME [SUFFIX] basename OPTION... NAME... DESCRIPTION
Print NAME with any leading directory components removed. If specified, also remove a trailing SUFFIX. Mandatory arguments to long options are mandatory for short options too. -a, --multiple support multiple arguments and treat each as a NAME -s, --suffix=SUFFIX remove a trailing SUFFIX -z, --zero separate output with NUL rather than newline --help display this help and exit --version output version information and exit EXAMPLES
basename /usr/bin/sort -> "sort" basename include/stdio.h .h -> "stdio" basename -s .h include/stdio.h -> "stdio" basename -a any/str1 any/str2 -> "str1" followed by "str2" GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report basename translation bugs to <http://translationpro- ject.org/team/> AUTHOR
Written by David MacKenzie. COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
dirname(1), readlink(1) The full documentation for basename is maintained as a Texinfo manual. If the info and basename programs are properly installed at your site, the command info coreutils 'basename invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 BASENAME(1)
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