04-07-2009
couple of hints:
wrap the code in [ code ] and [ /code ] tags ( without spaces ) so that indentation and stuff
is not lost when posting.
Your "tr" commands need to look like this:
tr "[stuff]" "-"
You must have double quotes around that first argument.
However, this really isn't the problem. The problem is the design.
You need to exchange hyphens for correct letters -- not the other way around.
For this, you will need a much more sophisticated logic for exchanging
correct letters for hyphens.
I recommend commenting out all the "clear" lines.
Then running the thing through bash using:
bash -xvf hangman
Hopefully your screen emulator has a scroll bar and you can watch what
commands get executed.
Good luck.
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RBASH(1) General Commands Manual RBASH(1)
NAME
rbash - restricted bash, see bash(1)
RESTRICTED SHELL
If bash is started with the name rbash, or the -r option is supplied at invocation, the shell becomes restricted. A restricted shell is
used to set up an environment more controlled than the standard shell. It behaves identically to bash with the exception that the follow-
ing are disallowed or not performed:
o changing directories with cd
o setting or unsetting the values of SHELL, PATH, ENV, or BASH_ENV
o specifying command names containing /
o specifying a file name containing a / as an argument to the . builtin command
o specifying a filename containing a slash as an argument to the -p option to the hash builtin command
o importing function definitions from the shell environment at startup
o parsing the value of SHELLOPTS from the shell environment at startup
o redirecting output using the >, >|, <>, >&, &>, and >> redirection operators
o using the exec builtin command to replace the shell with another command
o adding or deleting builtin commands with the -f and -d options to the enable builtin command
o using the enable builtin command to enable disabled shell builtins
o specifying the -p option to the command builtin command
o turning off restricted mode with set +r or set +o restricted.
These restrictions are enforced after any startup files are read.
When a command that is found to be a shell script is executed, rbash turns off any restrictions in the shell spawned to execute the script.
SEE ALSO
bash(1)
GNU Bash-4.0 2004 Apr 20 RBASH(1)