Questions tagged [tcsh]
Tcsh is an enhanced, but completely compatible version of the Berkeley UNIX C shell (csh). It is a command language interpreter usable both as an interactive login shell and a shell script command processor.
41
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No csh or tcsh?
In /bin, I see bash, but no csh or tcsh. When I created a ".cshrc" file in my home directory, it had no effect; that's how I discovered this problem.
So the question is this: how do I switch to csh/...
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3
answers
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check if folder does not exist in tcsh
When using the tcsh shell, how do I check if a folder does NOT exist?
I can check if it exists by
if ( -d /folder ) then
but I want the if statement to work for folders that don't exist.
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1
answer
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What is the analog of '$()' in tcsh?
I tried to do in tcsh the following:
$ echo $(pwd)
It does not work.
- 1,606
3
votes
1
answer
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Arithmetic with variables
I am trying to do arithmetic as I assign a variable a value. When the script reaches end_day it cannot do the math, and when I test it in the terminal it will simply return the expression. What do I ...
- 1,876
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1
answer
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Flexible vector construction in tcsh
vector generation is a technique which allows us to generate lists without defining iterators and write loops. They are useful in many situations, and can turn code to much more succinct and compact. ...
- 2,833
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1
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problem with loading tcshrc
I have ubuntu 16.04 installed on my local pc and I'm trying to make my work environment as similar to the way it is configured at my job
to achieve that I wanted to use the same tcshrc file (yes, we ...
- 51
3
votes
1
answer
258
views
Install software that uses a different shell
I would like to install cryoSPARC, and looking through the readme it looks like this program requires that the user use bash as their default shell. At the moment I'm using tcsh, and have built up a ....
- 31
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votes
2
answers
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Create a folder with the date as part of the name in tcsh
I often need to create folders that start with the current date.
For example 190627_ABCD.
I've tried to create an alias command that gets the date to be printed:
a newf 'mkdir `date '+%y%m%d'_`+='
...
- 233
2
votes
1
answer
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Sourcing a sh file is illegal in tcsh
After solving that one, I tried to source the sh script editing csh.cshrc. I added the following lines in its end:
. /etc/fsl/5.0/fsl.sh
setenv FREESURFER_HOME/home/User/freesurfer
source $...
- 227
2
votes
1
answer
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How can I make an equivalent to this bash function in tcsh?
I have a function in bash to kill all the processes, which contain the same name:
killn () { pkill -9 -f $1; }
I realize that tcsh does not support functions.
How I can translate this function into ...
- 1,606
2
votes
1
answer
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fsl.sh cannot be sourced
I need to install FSL and Freesurfer as part of running Connectome Mapper. Freesurfer required changing the shell to tcsh in order to configure its folders. Now for FSL, I have to add to .profile the ...
- 227
2
votes
1
answer
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Ubuntu 14.04 and tcsh
I've tried the recommended method to install the TCSH shell in Ubuntu 14.04,
sudo apt-get install tcsh
but get the message:
Unable to locate package tcsh
Is there something else I need to ...
- 23
2
votes
1
answer
2k
views
Unable to use variables in alias in cshell
This is a sample straight forward program. I am using C-shell and want a solution for this environment itself. Following this code sample:
set FILENAME = "\!:2"
alias jo 'echo this is my \!:1 file ...
- 493
1
vote
3
answers
1k
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Cannot get "alias" command to work at al
Running Ubuntu 14.04 LTS
I open a terminal, and type a simple alias command, but then it doesn't work:
~> alias ge='gedit &'
~> ge
ge: command not found
I've also tried adding aliases to ....
- 39
1
vote
2
answers
2k
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Adding hours to an arbitrary, unformatted date
I need to add 84 hours to a specific starting UTC date. The start UTC date is the current date but the starting hour is not. The code below works great until the end of the month when it can't convert ...
- 1,876
1
vote
2
answers
1k
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Remove an initial part of a string in tcsh
I have a variable storing "ping_abc", how do I remove the "ping_" part to get just "abc"?
My approach:
variable 'test' stores "ping_abc"
I tried:
echo ${test:0:4}
But this is giving me:
Bad : ...
1
vote
1
answer
452
views
Shared library seems installed but I get an error anyway
Objective: Install/run an app through csh or tcsh, it's a 3d liquid simulation app called realflow.
Background: I downloaded the app, try to run it through csh or tcsh. I get
strings: 'lib/i386-...
- 11
1
vote
1
answer
3k
views
wget in shell script using a pattern
So I'm currently trying to set up a shell script utilizing wget to download a huge amount of files from a server. I'm using the -A 'pattern*.extension' option to download only files with a specific ...
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1
vote
1
answer
275
views
Is there an environment variable in csh to modify PS2?
Is there an environment variable in CSH to change the PS2 like in bash and sh?
For example:
$PS2 = "hi"
I tried it but it doesn't work in csh.
- 11
1
vote
0
answers
864
views
illegal variable name with csh and tcsh
Ubuntu 20.04 with update on about 1 May 2021. NOT a linux expert.
in bash terminal,
% which csh
/usr/bin/csh
but when
% csh
illegal variable name.
same for tcsh.
- 11
1
vote
1
answer
2k
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Cannot login to cockpit after upgrading to focal fossa
Cockpit does not work for me on focal; it worked fine on bionic.
According to "apt install cockpit", version 215-1 is installed, and it presents the login screen on https port 9090, but it ...
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1
vote
1
answer
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How do I turn off autolist in tcsh terminal
Since I upgraded to Trusty Tahr, whenever I do tab completion in the (tcsh) terminal it will complete as far as it can and then show me all of the options available. I hate this behavior and want it ...
- 15
1
vote
1
answer
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how to display quota info on lock screen?
Is it possible to display user quota info on lock screen or any message at least?
because every time user lock in or unlock the first window he/she will look at is going to be lock screen.
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0
votes
2
answers
6k
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Shell script to search for a pattern in a file using if else
This is my script, I want to find a pattern in a file. I know the exit status of grep -q '<Pattern>' '<file>' && echo $? is 0 if pattern is found. But I am getting if: Expression ...
- 3
0
votes
1
answer
899
views
Error while executing read prompt in csh and converting to multiline alias
Hey everyone i have this issue where i have a sample program in csh (i know its not the best language to use for scripting but i dont have an option here) its as foll:
#!/bin/csh
echo 'please ...
- 493
0
votes
2
answers
9k
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Unable to locate package "csh"
I tried installing csh, but it throws me the error:
unable to locate package csh
My Ubuntu version is 12.04.
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0
votes
2
answers
3k
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exporting an environment variable from a bash script to a tcsh shell
I run bash scripts from tcsh shells. I want to set an environment variable in the tcsh shell from a bash script.
The method of doing this, if your parent shell is bash is to source a file,
i.e., ...
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0
votes
0
answers
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tcsh crashes with segfault on Ubuntu 22.04.3
I installed tcsh via apt-get (version 6.21.00-1.1) on my Ubuntu 22.04.3 box and it immediately crashes with a Segmentation fault (core dumped) error. tcsh --version has the same result. I have ...
0
votes
1
answer
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Script cant find file in linux subsystem windows
So i have a folder "gib" in my ubuntu root directory. But this line of a script:
#! /bin/tcsh -f
setenv GIBBS /gib
set gibbs = $GIBBS/GibbsCluster-2.0e_SA.pl
This always gives error that ...
0
votes
0
answers
87
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tcsh .login in X sessions using fvwm window manager
Recently moved to xubuntu 20.4 from opensuse 42.3 and would like to preserve my long term habits. My window manager is fvwm, and my login shell is tcsh.
What I noticed is that my .login file is not ...
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votes
0
answers
100
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ssh to a remote terminal and bypassing dotrc files
I want to rapidly execute a remote command using ssh, for example ls -al /path/to/myfile. Unfortunately, I'm using tcsh rather than bash.
My .cshrc file is quite long and slow, so I'd like to bypass ...
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votes
0
answers
57
views
xterm is calling .cshrc twice
The following command
xterm -e ' tcsh'
calls my .cshrc file twice. But this command calls it once
xterm -e 'tcsh'
Same thing with
xterm -e 'cd `pwd`;tcsh'
Obviously, the only difference between ...
- 1,539
0
votes
0
answers
1k
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Why gives the error "Missing '}'.?
I am using the ubuntu under Windows. I had changed the login shell from bash to tcsh. After adding some PATH env into the /etc/profile , I need to source the profile. I ran
source /etc/profile
But ...
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0
votes
0
answers
190
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Delay for tcsh scripts
I'm running Ubuntu 18.04. My login shell is tcsh. Whenever I run
a script in this shell, there is about a half-second delay before
it executes. Suppose I make an empty file, tmp, in my home
...
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0
votes
1
answer
743
views
Redirecting foreach output into a file
The example below does not work: ~/test is empty.
foreach i (`ls`)
foreach echo $i > ~/test
foreach end
As well this does not work (unlike bash):
foreach i (`ls`)
foreach echo $i
foreach end >...
- 1,606
0
votes
1
answer
142
views
Bash like installation suggestion in tcsh
In a bash shell, if you put some command that is not installed on your system, it throws an error and also gives you a package installation suggestion. For example-
$ iostat
Command 'iostat' not ...
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votes
3
answers
390
views
tcsh and bashrc conflict
I'm a new user to Ubuntu and confront a problem through some process:
There's a freeware called TDEFNODE coded with Fortran and runs under Ubuntu. So I've just installed Ubuntu 14 on a virtual drive.
...
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0
votes
1
answer
2k
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Odd Illegal Variable Name error in csh script
I have a peculiar problem with a csh script which occurs only in my Lenovo Z500 laptop. I have run the script in 3 other computers with analogous operating systems (Kubuntu 14.04 x64) and the only ...
0
votes
1
answer
3k
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Setup: command not found. Cannot run installer
I'm installing Abaqus on Ubuntu. I have extracted the rar files into a directory. In terminal, I navigate to the directory and run the setup file using "sudo /directory_name/setup". Terminal gives me ...
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1
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Gui application for perl scripts and cshell
I am a very green to Linux. I am now taking a course at my studies basic of Linux.
As part of my assessment I need to do some Perl scripts and C shell. But also we have been asked to build a GUI app ...
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1
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How to capture output from a command and pass it on to a variable in csh scripting?
I'm trying to capture output of command into variable in csh but its printing empty value to the variable. but if i run same command on terminal its working
root_part_id=`gpart show | grep zfs | awk '{...
