Questions tagged [csh]
The C shell (csh), once one of the two major Unix shells with the Bourne shell. Csh had more advanced interactive feature but has been surpassed by modern Bourne-style shells such as zsh and bash.
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Difference between 2>&-, 2>/dev/null, |&, &>/dev/null and >/dev/null 2>&1
Just looking for the difference between
2>&-
2>/dev/null
|&
&>/dev/null
>/dev/null 2>&1
and their portability with non-Bourne shells like tcsh, mksh, etc.
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Are there problems with hyphens in functions, aliases, and executables?
In my testing (in Bash and Z Shell), I saw no problems with defining functions or aliases or executable shell scripts which have hyphens in the name, but I'm not confident that this will be okay in ...
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How does a shell know home(s)?
Each shell has an environment variable $HOME set (ex: /Users/lotolo). If I'm under csh I can unsetenv HOME and still if I do cd I'll be in my home. I've tested this also on bash (unset HOME) and it'...
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Is it possible to redefine the tilde ('~', home directory)?
Is it possible to redefine the home directory? e.g. to /ext1/username instead of /home/username, i.e. expanding the ~ to another directory (as opposed to changing the actual home directory where users'...
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stderr redirection not working in csh
I run the following command:
pkg_add emacs-23.4,2.tbz 2> output.log
The output still displays in the terminal. When I press ↑, I get
pkg_add emacs-23.4,2.tbz 2 > output.log
with a space ...
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2
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Is it possible to send a HEREDOC over ssh to a remote host from inside a script running locally?
I essentially want to run a script on machine A which will SSH into machine B, execute commands on B, and return the output to machine A.
So I am creating a csh script to do this, hopefully, if it's ...
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Convert value from scientific notation to decimal in shell?
How to convert value from scientific notation to decimal in shell? (preferred C shell)
Also I'd want to convert it from e-12 to e-9 and then shell
42.53e-12 to 0.04253. I have to do this for a list.
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votes
6
answers
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dircolors "missing second token"
I'd like to customize the colors of ls and as far as I understand the way to go is with dircolors.
I did:
dircolors > ~/.dircolors
Immediately after this I launch a terminal and get this error:
...
- 2,451
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How to debug csh scripts?
My lab uses csh scripts to run jobs. It is usually difficult for me to debug a shell script, so I'm wondering if there is a csh debugger I can use.
I know there are some flags like -x or -v that can ...
- 221
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'switch' based on shell
I would like to source (i.e. not call) a script from any shell (bash/csh are the primary targets, but fish, zsh, ksh, and rc would also be interesting).
I would like if the script can be a single ...
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Can a home directory have both .cshrc and .bashrc files?
Or are they both not allowed at the same time?
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How do I specify arguments to return all dot files, but not . and ..?
Normally dot files are not included for wildcard expansion:
% echo *
Applications Desktop Documents Downloads Library Movies Music Pictures Public bin
If I explicitly ask for dot files, I get them:
...
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6
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What's special about "!xxx%s%s%s%s%s%s%s%s"?
I was linked to The Unix-Haters Handbook and stumbled on (page 149):
Subject: Relevant Unix bug
October 11, 1991
Fellow W4115x students—
While we’re on the subject of activation ...
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Is there a csh to bash script translator?
Programming in C shell is considered harmful by some people, but csh scripts are continued to be written by some hardcore csh fans. Is there a free/open source converter to translate csh script into ...
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How to enable double tab autocompletion list in csh?
I've worked in Linux before where when I press tab it autocompletes until it becomes ambiguous. If I pressed tab twice at that point it would give me a list of all possible completions.
My current ...
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