CShell | A simple , yet powerful , C # scripting IDE and REPL | Code Editor library
kandi X-RAY | CShell Summary
kandi X-RAY | CShell Summary
cshell is an interactive c# scripting environment. it allows you to use c# without any fluff right in a console like environment called a read-eval-print-loop (repl). your code is directly evaluated and executed in a shell window, no separate executable has to be compiled and then run in a different process. more elaborate code can be written in a c# script and then evaluated as one file, only one line, or a selection. then, your results can be easily dumped to html (like linqpad) or viewed as a data grid or plotted to a chart. cshell is perfect to explore data and quickly drill deeper into information since you can write one line of code, evaluate it, check
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of CShell
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QUESTION
I am reviewing an existing script using sed commands in cshell, and I understand all of it except one component. I have simplified it down for sharing an example but below, $templateFile is used as input, and all instances of "hello" are replaced with "world", and once this is done, it is output to the output directory and named with the output file name.
sed -e 's:hello:world:g' <"$templateFile"> "$outputDir"/"$outputFileName".txt
However, I don't understand what the <> around "$templateFile" is doing? Why is it necessary to have the <> for a sed input file? In all descriptions of sed, I can't find an explanation for what purpose this might be serving so I am a bit confused.
I understand this is a simple question, but I cannot find an answer online and I'd appreciate any clarification here. Thank you.
...ANSWER
Answered 2021-Jan-06 at 20:02The code you're reviewing has misleading use of whitespace. A more readable version might look like:
QUESTION
Below is an example of a ssh script using a heredoc (the actual script is more complex). Is it possible to use both local and remote variables within an SSH heredoc or command?
FILE_NAME
is set on the local server to be used on the remote server. REMOTE_PID
is set when running on the remote server to be used on local server. FILE_NAME
is recognised in script. REMOTE_PID
is not set.
If EOF
is changed to 'EOF'
, then REMOTE_PID
is set and `FILE_NAME is not. I don't understand why this is?
Is there a way in which both REMOTE_PID
and FILE_NAME
can be recognised?
Version 2 of bash being used. The default remote login is cshell, local script is to be bash.
...ANSWER
Answered 2018-Jun-17 at 09:50You need to escape the $
sign if you don't want the variable to be expanded:
QUESTION
I am trying to read variables from cshell file output by an application. The application assumes we are using cshell to read the variables. I am using Python.
The file contains two (T)csh wordlist shell variables lnPARAM and lnVAL;
ANSWER
Answered 2020-Mar-27 at 19:26You can extract the string enclosed in parentheses before passing it to shlex.split
:
QUESTION
The tr command translates, delete, or squeezes characters from standard input. I am trying to create a cshell alias that outputs the setenv
command such that each file or directory in the path is displayed on a new line.
In other words, I want this example output of setenv
:
PATH=/some/dir:/some/second/dir:/some/third/dir
PROFILES= file:///some/file/here.txt;file:///some/second/file.xml;file:///some/third/file/there.pl
To become this:
Related Aliases that workPATH= /some/dir
/some/second/dir
/some/third/dir
PROFILES= file:///some/file/here.txt
file:///some/second/file.xml
file:///some/third/file/there.pl
I have created aliases that output the individual environment variables like above:
- For PATH:
alias readablePath = 'echo "$PATH" | tr : '\'\\\n\'' '
- For PROFILES:
alias readableProfiles= 'echo "$PROFILES" | tr \; 'echo "$PATH" | tr : '\'\\\n\'' '
These are the aliases that I have tried that return tr: no match
.
alias readEnv 'echo "setenv" | tr [:\;] '\'\\\n\'' '
alias readEnv 'echo setenv | tr [:\;] '\'\\\n\'' '
alias readEnv 'echo setenv | tr [:\\;] '\'\\\n\'' '
alias readEnv 'echo setenv | tr [:;] '\'\\\n\'' '
These are the aliases that I have tried that return the string "setenv"
.
alias readEnv 'echo setenv | tr "[:;]" '\'\\\n\'' '
alias readEnv 'echo "setenv" | tr "[:;]" '\'\\\n\'' '
How do I create an alias that successfully takes the output of setenv
and inserts a newline where there is a ":" or a ";"?
ANSWER
Answered 2019-Mar-29 at 17:10To replace multiple characters in your (unix/linux) command line alias, you should rather use sed and regular expressions, as in Search and replace with sed when dots and underscores are present .
So something like:
QUESTION
I am currently testing a perl script, running in cshell (company default if you were wondering) that will be used by a Jenkins job. As part of that script, I am doing a sanity check that gradle exists in the path.
I am adding the gradle directory to the path, then I save a local version of the path as seen below:
...ANSWER
Answered 2019-Mar-20 at 16:22Your script might not have enough permissions to access /vobs/common/gradle-X.X/bin
.
QUESTION
I am running a Jenkns Job, called Job A, that feeds its build parameters into a perl script, called ScriptA.pl, in the following format below:
...ANSWER
Answered 2019-Mar-12 at 19:24If you can't modify the Perl script so it reads command-line parameters (which would improve its general usability to boot), maybe create a simple wrapper script:
QUESTION
I have this completed code about the merge sort:
...ANSWER
Answered 2018-Jul-05 at 09:29Some compilers in MSVS will not allow initialization of variable sized arrays. So instead of initializing your array like this
QUESTION
So I am having an issue running a c program in terminal window. I am running on Linux Mint and attempting to compile and run the program in the terminal window. I have 3 files: the main file (cShell.c), the commands file (commands.c), and the header file for the commands file (commands.h).
They are listed below. All three files are located in the same folder, which is the working directory in terminal when I attempt to run. I can successfully compile the program using the following syntax -
...ANSWER
Answered 2017-Apr-30 at 23:23"gcc *.c -o a.out". However when I attempt to run the actual file using "./cShell"
-o a.out
says to write the output of the compile to a file called a.out
(which is the default anyway, so you could leave it out).
But then you try to run ./cShell.c
(or ./cShell
- your question says both in different parts)? You've just compiled cShell.c - so now you want to execute it (and not the compiled version) ? That's not how it works.
Try gcc *.c -o cShell
then ./cShell
(note, not cShell.c)
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