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Top Forums UNIX for Dummies Questions & Answers for statement Post 302351835 by TonyFullerMalv on Wednesday 9th of September 2009 05:24:00 PM
Old 09-09-2009
You need to break it down to see what is spitting out the error although normally I would have expected the "complainant" to announce themselves, e.g.:
Code:
bash: Bad : modifier in $ (").

or
Code:
gdb: Bad : modifier in $ (").

Did the "complainant" identify itself?

Both:
Code:
for file in `ls *usb*`; do echo -n "${file}:"; done

and
Code:
for file in *usb*; do echo -n "${file}:"; done

(run in /dev/) work okay (note the curly braces around the variable, good scripting practice).

What does running the gdb alone (with one file specified) do, then add the grep, then add the first cut, then add the second cut, that way you will find out which part is causing the error.

Can't help any more than that as I have no core files to play with...
 

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GZEXE(1)						      General Commands Manual							  GZEXE(1)

NAME
gzexe - compress executable files in place SYNOPSIS
gzexe name ... DESCRIPTION
The gzexe utility allows you to compress executables in place and have them automatically uncompress and execute when you run them (at a penalty in performance). For example if you execute ``gzexe /usr/bin/gdb'' it will create the following two files: -rwxr-xr-x 1 root root 1026675 Jun 7 13:53 /usr/bin/gdb -rwxr-xr-x 1 root root 2304524 May 30 13:02 /usr/bin/gdb~ /usr/bin/gdb~ is the original file and /usr/bin/gdb is the self-uncompressing executable file. You can remove /usr/bin/gdb~ once you are sure that /usr/bin/gdb works properly. This utility is most useful on systems with very small disks. OPTIONS
-d Decompress the given executables instead of compressing them. SEE ALSO
gzip(1), znew(1), zmore(1), zcmp(1), zforce(1) CAVEATS
The compressed executable is a shell script. This may create some security holes. In particular, the compressed executable relies on the PATH environment variable to find gzip and some standard utilities (basename, chmod, ln, mkdir, mktemp, rm, sleep, and tail). BUGS
gzexe attempts to retain the original file attributes on the compressed executable, but you may have to fix them manually in some cases, using chmod or chown. GZEXE(1)

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