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Top Forums Programming Returning Strings from C program to Unix shell script Post 302147088 by prowla on Saturday 24th of November 2007 03:40:20 PM
The shell doesn't know where to find your command "get_password".
You could put it into a well known location (eg. "/usr/local/bin", but beware that that directory is often insecure so someone might be able to substitute a trojan in there), or add the current directory (".") to the PATH (which is a very bad thing to do!).
My preference is to create a new specific "bin" directory for bespoke tools (we use "/opt/sup/bin" in my current place of work), and add it to the PATH.
 
Test Your Knowledge in Computers #933
Difficulty: Medium
Microcontrollers operating within embedded systems (such as the Raspberry Pi, Arduino, and other similar systems) always have internal hardware to keep track of time.
True or False?

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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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