es-shell | es : a shell with higher-order functions | Interpreter library
kandi X-RAY | es-shell Summary
kandi X-RAY | es-shell Summary
Es is an extensible shell. The language was derived from the Plan 9 shell, rc, and was influenced by functional programming languages, such as Scheme, and the Tcl embeddable programming language. This implementation is derived from Byron Rakitzis's public domain implementation of rc. See the INSTALL file for installation instructions. Once it's running have a look at the manual page and the docs and examples directories, in particular Haahr & Rakitzis's paper: `Es: a shell with higher-order functions.'' The paper corresponds to a slightly older version of the shell; see the file ERRATA for changes which affect parts of the paper. The file initial.es, which is used to build the initial memory state of the es interpreter, can be read to better understand how pieces of the shell interact.
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QUESTION
There is a Markdown file with headings, text, and unsorted tables. I want to programmatically sort each table by ID, which is the 3rd column, in descending order, preferably using PowerShell or Bash. The table would remain in its place in the file.
...ANSWER
Answered 2019-Oct-11 at 00:49If possible to identify markdown tables, a small 'awk' (or bash/python/perl) can filter the output. It assume each table has 2 header line.
QUESTION
I have a pipeline step which waits for user input and has a timeout value of 1 minute based on this solution
...ANSWER
Answered 2019-Apr-16 at 11:02The timeout
step throws org.jenkinsci.plugins.workflow.steps.FlowInterruptedException
when it hits the given timeout. You can catch this exception and set the default value in the catch
block. Consider the following example:
QUESTION
For reference, I'm using this version of the shell.
I'm looking to evaluate a math expression containing exponents. How can I do so? expr
isn't available in es-shell, and neither do the double parends work (as they do in other shells).
The expression I want to evaluate is 2^69
(2 to the 69th power). I've tried with both **
and ^
for exponentiation.
I'm looking for a solution that doesn't use an external calculator, hopefully pure es-shell code.
...ANSWER
Answered 2017-Aug-18 at 19:02Most Unix shells delegate math to some other command. bc
is probably available on your machine, since it's a POSIX utility. Invoke it from es like this:
QUESTION
my emacs shell mode screen shot ...
Normal shell looks like this...
I have .emacs file empty..
emacs version 24.5.1
I already tried this Why does shell mode display some rubbish code?
[i copy the code provided in solution of above question in my .emacs file but its not working for me...]
...ANSWER
Answered 2017-Sep-26 at 12:37It looks like it is the unicode not the escape codes that aren't displaying. You can change the process-coding-system
. From your shell buffer, enter C-x RET p and select utf-8-unix
for process read and write.
If that results in the proper display, you may want to add something like the following to your init file
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