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Full Discussion: Help with awk/shell script needed!
Top Forums Shell Programming and Scripting Help with awk/shell script needed! Post 302127966 by inditopgun on Friday 20th of July 2007 12:23:18 PM
Old 07-20-2007
still need help with the awk script
The solution proposed above returns file extension and filename excluding the full path and the extension, ONLY if the format of the filename is something like /home/john.doe/test.java or /home/john.doe/test.test1.test2.test3.java;

However unfortunately whenever it encounters a filename without an extension e.g. /home/john.doe/runjava then the script returns runjava as the file extension instead of returning null as file extension and the filename excluding the full path and the extension is returned as null instead. (kinda it's doing a complete switcheroo)

Is there a way to handle this? because I just realized that there are quite a few executables I have in my filelist.txt without any extensions as such (like /bin/gzip, /usr/local/bin/perl etc.) and my script just craps out when it encounters them. Any help will be really appreciated!
 

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LEARN ABOUT DEBIAN

shtool-path

SHTOOL-PATH.TMP(1)					      GNU Portable Shell Tool						SHTOOL-PATH.TMP(1)

NAME

       shtool-path - GNU shtool command dealing with shell path variables

SYNOPSIS

       shtool path [-s|--suppress] [-r|--reverse] [-d|--dirname] [-b|--basename] [-m|--magic] [-p|--path path] str [str ...]

DESCRIPTION

       This command deals with shell $PATH variables. It can find a program through one or more filenames given by one or more str arguments.  It
       prints the absolute filesystem path to the program displayed on "stdout" plus an exit code of 0 if it was really found.

OPTIONS

       The following command line options are available.

       -s, --suppress
	   Supress output. Useful to only test whether a program exists with the help of the return code.

       -r, --reverse
	   Transform a forward path to a subdirectory into a reverse path.

       -d, --dirname
	   Output the directory name of str.

       -b, --basename
	   Output the base name of str.

       -m, --magic
	   Enable advanced magic search for ""perl"" and ""cpp"".

       -p, --path path
	   Search in path. Default is to search in $PATH.

EXAMPLE

	#   shell script
	awk=`shtool path -p "${PATH}:." gawk nawk awk`
	perl=`shtool path -m perl`
	cpp=`shtool path -m cpp`
	revpath=`shtool path -r path/to/subdir`

HISTORY

       The GNU shtool path command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 1998 for Apache. It was later taken
       over into GNU shtool.

SEE ALSO

       shtool(1), which(1).

18-Jul-2008							   shtool 2.0.8 						SHTOOL-PATH.TMP(1)
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