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Top Forums Shell Programming and Scripting Create a report for client with a text data file Post 302615685 by bashily on Friday 30th of March 2012 01:13:43 AM
Old 03-30-2012
it is very complicated for me as I am a newbie! I did some research and I found out that I can use "getopts" to work around this. what do u think?

---------- Post updated at 01:13 AM ---------- Previous update was at 12:31 AM ----------

I am sure that getopts is very helpful here. This is the idea:
Code:
while getopts ":c:u:" opt; do
  case $opt in
    c)    echo "-c was triggered, Parameter: $OPTARG" >&2;;
    u)    echo "-u was triggered, Parameter: $OPTARG" >&2;;
    \?)    echo "Invalid option: -$OPTARG" >&2;exit 1;;
    *)    echo "Option -$OPTARG requires an argument." >&2;exit 1;;
  esac
done

 

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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)
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