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Full Discussion: which CMD in csh
Top Forums Shell Programming and Scripting which CMD in csh Post 302414819 by tpltp on Wednesday 21st of April 2010 05:02:29 AM
Old 04-21-2010
which CMD in csh

Today I encounter one problem, I ran one script like follows:

Code:
#!/bin/csh -f

which ls

It supposes to skip the .cshrc and .login files when run this script with the "-f" option, but it does NOT.

I can see the "which" cmd first source the .cshrc ( I marked one "echo " in .cshrc ), then print out the "ls" path.
And with "-f" option, it still can inherit the ENV variables but can't get the defined variables from the current shell.

My question is
How to avoid the script to inherit the ENV variables from the current shell, or at least avoid to "source .cshrc" when ran "which" cmd?

Thanks very much
 

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RESIZE(1)						      General Commands Manual							 RESIZE(1)

NAME
resize - set TERMCAP and terminal settings to current xterm window size SYNOPSIS
resize [ -u | -c ] [ -s [ row col ] ] DESCRIPTION
Resize prints a shell command for setting the TERM and TERMCAP environment variables to indicate the current size of xterm window from which the command is run. For this output to take effect, resize must either be evaluated as part of the command line (usually done with a shell alias or function) or else redirected to a file which can then be read in. From the C shell (usually known as /bin/csh), the follow- ing alias could be defined in the user's .cshrc: % alias rs 'set noglob; eval `resize`' After resizing the window, the user would type: % rs Users of versions of the Bourne shell (usually known as /bin/sh) that don't have command functions will need to send the output to a tempo- rary file and the read it back in with the ``.'' command: $ resize > /tmp/out $ . /tmp/out OPTIONS
The following options may be used with resize: -u This option indicates that Bourne shell commands should be generated even if the user's current shell isn't /bin/sh. -c This option indicates that C shell commands should be generated even if the user's current shell isn't /bin/csh. -s [rows columns] This option indicates that Sun console escape sequences will be used instead of the VT100-style xterm escape codes. If rows and columns are given, resize will ask the xterm to resize itself. However, the window manager may choose to disallow the change. Note that the Sun console escape sequences are recognized by XFree86 xterm and by dtterm. The resize program may be installed as sunsize, which causes makes it assume the -s option. The rows and columns arguments must appear last; though they are normally associated with the -s option, they are parsed sepa- rately. FILES
/etc/termcap for the base termcap entry to modify. ~/.cshrc user's alias for the command. SEE ALSO
csh(1), tset(1), xterm(1) AUTHORS
Mark Vandevoorde (MIT-Athena), Edward Moy (Berkeley) Copyright (c) 1984, 1985 by X Consortium See X(7) for a complete copyright notice. XFree86 Version 4.7.0 RESIZE(1)
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