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Shell Programming and Scripting
Having trouble with a few beginner csh scripts
Post 302612409 by chrisH18 on Sunday 25th of March 2012 10:15:12 PM
03-25-2012
Having trouble with a few beginner csh scripts
Hey,
New to the forum and I just had a few questions. I'm writing two scripts that "have" to be written in csh, a menu and a chmod toggle script. I'm having trouble with both of them.
For the menu, it works but when the user picks an option (lets say 4) it will go through all the options from 1-4 until it gets to the user's choice. I want the script to immediately go to the user's choice, and I also want the user to able to return to the main menu once the script has run it's course. I haven't been able to get this working.
For my toggle script, it is essentially a chmod script that accepts arguments (filename and r,w,x etc). It works, but it has the same problem as my menu script. It goes through all the options before getting to the correct one. So let's say I wanted to do the following:
toggle testnumber execute
This would add an execute permission for the file testnumber. But instead, it adds permissions for write, read, and execute, leading me to believe there's a problem with the if/else statements.
Here is the code for both scripts. I took pictures because I don't know how to copy/paste straight out of my terminal.
Menu:
Chmod Toggle:
Thanks!
New to the forum and I just had a few questions. I'm writing two scripts that "have" to be written in csh, a menu and a chmod toggle script. I'm having trouble with both of them.
For the menu, it works but when the user picks an option (lets say 4) it will go through all the options from 1-4 until it gets to the user's choice. I want the script to immediately go to the user's choice, and I also want the user to able to return to the main menu once the script has run it's course. I haven't been able to get this working.
For my toggle script, it is essentially a chmod script that accepts arguments (filename and r,w,x etc). It works, but it has the same problem as my menu script. It goes through all the options before getting to the correct one. So let's say I wanted to do the following:
toggle testnumber execute
This would add an execute permission for the file testnumber. But instead, it adds permissions for write, read, and execute, leading me to believe there's a problem with the if/else statements.
Here is the code for both scripts. I took pictures because I don't know how to copy/paste straight out of my terminal.
Menu:
Chmod Toggle:
Thanks!
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LEARN ABOUT OSF1
script
script(1) General Commands Manual script(1) NAME
script - Makes a transcript of terminal session SYNOPSIS
script [-a] [file] The script command makes a transcript of everything printed on your terminal. OPTIONS
Appends the transcript to file rather than writing it to file. OPERANDS
The name of an output file that will contain the transcript of the session. If this parameter is omitted, the file typescript is written. DESCRIPTION
The transcript is written to file, or appended to file if the -a option is given. If no file name is given, the transcript is saved in the file typescript. The script ends when the forked shell exits. This program is useful when you are using a CRT and want a hard-copy record of the dialog (for example, a technical writer might create an example of a working session this way). If you specify the -a option and the file does not exist, it is created. If you do not specify the -a option and the file exists, it is replaced. RESTRICTIONS
The script command requires a streams based terminal. In single user mode, streams may not be enabled. Under these circumstances, script will exit with no action. If you are the superuser and need to run this command in single user mode, use the following special instruc- tions. Enabling Streams If it is necessary to enable a streams environment in the single user mode, enter the command /sbin/init.d/streams. This command is avail- able to the superuser only. SEE ALSO
Commands: autopush(8), cat(1), echo(1), strsetup(8), tee(1) System Administration script(1)