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there. I'm new to eshell,and now i come to a problem that how can i script it. i've tried (rm ~/somefile) and it worked.so is every command like this?how should i write conditional code and loop?and what should i customize to make the system execute my script using eshell other than others ,like bash,by default? i'm not very good at english,and i hope you can understand what i mean.i'll also appreciate any correction to my english expression?
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A shell script have syntax just like any other programming language. If you have any prior experience with any programming language like Python, C/C++ etc. it would be very easy to get started with it.
A shell script is a list of commands in a computer program that is run by the Unix shell which is a command line interpreter. A shell script usually has comments that describe the steps. The different operations performed by shell scripts are program execution, file manipulation and text printing.
Open Command Prompt and navigate to the folder where the script file is available. Type Bash script-filename.sh and hit the enter key. It will execute the script, and depending on the file, you should see an output.
You can call any elisp command/function/operator from eshell; I suppose that means you can script it using elisp (See GNU Emacs Lisp Reference manual). Example:
Welcome to the Emacs shell ~ $ (defun foo (n) (if (= 0 (mod n 2)) "Even." "Odd!")) foo ~ $ foo 2 Even. ~ $ foo 3 Odd! ~ $
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