Questions tagged [csh]
csh, or the C shell, is a command interpreter with a syntax reminiscent of the C programming language.
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How to exclude a particular column in a text file using UNIX "cut" command [duplicate]
Basically, I'm looking for the compliment of the current UNIX command "cut".
If I have a text file as below
"1" , "cat" , "animal"
"2" , "parrot ,...
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1
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why won't sourcing a cshell command which redirects stdout & stderr to /dev/null in the background work
c-shell
I want to rm -rf a dir in the background and redirect stdout & stderr to /dev/null. Like this...
rm -rf del_this_dir >& /dev/null &
This works fine when I type it in at the ...
- 1,171
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41
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CSH loop over results from grep not giving desired outcome
I want to loop over the lines as output by grep cmd from a file. The lines follow a format where there will be a word matched / not matched by the grep and then some other word that some other program ...
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set variables in csh script using another file
How can I set a username and password as variables in csh script using files that contain the username or password?
So within the first shell script, something like:
username=*usernamefile.txt*; ...
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What is the correct quoting for a variable expansion (a filename) inside double-quoted backticks in CSH?
Let's say that you're in a system with devilish filenames, for eg.
# a horrible filename:
set link = ' '\'' " \ ` $# \
\
'
# an even worse logical link
ln -s $link:q $link:q
Now I would ...
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20
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How to escape backticks in FreeBSD
This is on csh (FreeBSD):
echo "complete service 'c/-/(e l r v)/' 'p/1/`service -l`/' 'n/*/(start stop reload restart status rcvar onestart onestop)/'" >> /root/.cshrc
I want to use ...
- 27
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How to know if the specified file is in my P4CLIENT's view?
I have a script that reads the file path from the terminal. In the script, I checked if the file was in the P4 client's view. But I want to get rid of error messages. I am using p4 have. Redirecting ...
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csh script doesn't resolve argv correctly
I have a text file with the following keywords:
bvca_sc=2.3
bvca=$bvca
bvca_sc=$bvca_sc
I need all of the above to be equal to 24.1
bvca=24.1
bvca_sc=24.1
doing this on command line works perfectly:
...
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64
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How to preserve newline characters in CSH when storing in a variable or echo
I have a python script which is getting called from a csh script ( I can not use bash). The python script prints out string with the newline characters and I am storing the output in a csh variable. ...
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Login to a new machine and run the rest of csh script in that new machine
I have a linux csh code. I need to run part of the code in another virtual machine. How can I do that?
My code has following steps
echo $PWD
rsh
mkdir NEW
cd NEW
echo $PWD
Logout from new machine
cd ...
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answers
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Difference between tcsh and bsd-csh in terms of use of square brackets in echo
I have two simple Shell scripts that essentially do the same thing (i.e., printing all arguments), as are shown below.
S1:
#!/usr/bin/tcsh
echo [$argv[*]]
S2:
#!/usr/bin/bsd-csh
echo [$argv[*]]
S1 ...
- 3,848
3
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108
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Weird error with non-ASCII character in CSH
What is so special about the character "à" (a accent-grave) that makes the following assignement in CSH fail:
#!/bin/csh -f
set title = `echo 'à'`
echo $title
It does NOT fail for any ...
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Can a csh script be made to "Not Execute" the date command in an echo statement
I have a cron task that captures log files every six hours. We have a post installation script that executes after we do an install and this script builds the crontab. It is a csh script that uses the ...
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Multiple single core srun on a node
I have a csh script that looks like this
foreach n (`seq 1 1000000`)
./myprog${n}.x
end
I want to parallelize it and run it on my slurm cluster, and because each instance of the program requires ...
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csh shell read .tshrc rather than .cshrc startup file
I use csh shell ($ echo shell -> /bin/csh) and this time I added a environment variable $path to .csh file. However, every time when log in I need to source the .cshrc file to make this environment ...
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