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Top Forums Shell Programming and Scripting How to run 2 python scripts at the same time side by side on the same line? Post 303038515 by Neo on Thursday 5th of September 2019 03:10:26 AM
Old 09-05-2019
Quote:
Originally Posted by balajesuri
I think OP is asking for side by side printing of the output of two python scripts as they run, and has shown as an example, concatenation of two text files using izip_longest().


@bigvito19: Instead , do you have the option to write them as one script and format the output as you need it?
Yes, or call the two scripts in another script, store the results of each script (as as function for example) and write them on a single line as output.

This is very easy to do (and is the way most sys admins would do this, I think). Just convert the script to a function, call it twice in another script, and format the output. Easy as pie. Simplicity is always best, based on my experiences.
 

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NPM-RUN-SCRIPT(1)														 NPM-RUN-SCRIPT(1)

NAME
npm-run-script - Run arbitrary package scripts SYNOPSIS
npm run-script <command> [--silent] [-- <args>...] alias: npm run DESCRIPTION
This runs an arbitrary command from a package's "scripts" object. If no "command" is provided, it will list the available scripts. run[-script] is used by the test, start, restart, and stop commands, but can be called directly, as well. When the scripts in the package are printed out, they're separated into lifecycle (test, start, restart) and directly-run scripts. As of ` https://blog.npmjs.org/post/98131109725/npm-2-0-0, you can use custom arguments when executing scripts. The special option -- is used by getopt https://goo.gl/KxMmtG to delimit the end of the options. npm will pass all the arguments after the -- directly to your script: npm run test -- --grep="pattern" The arguments will only be passed to the script specified after npm run and not to any pre or post script. The env script is a special built-in command that can be used to list environment variables that will be available to the script at run- time. If an "env" command is defined in your package, it will take precedence over the built-in. In addition to the shell's pre-existing PATH, npm run adds node_modules/.bin to the PATH provided to scripts. Any binaries provided by locally-installed dependencies can be used without the node_modules/.bin prefix. For example, if there is a devDependency on tap in your package, you should write: "scripts": {"test": "tap test/*.js"} instead of "scripts": {"test": "node_modules/.bin/tap test/*.js"} to run your tests. The actual shell your script is run within is platform dependent. By default, on Unix-like systems it is the /bin/sh command, on Windows it is the cmd.exe. The actual shell referred to by /bin/sh also depends on the system. As of ` https://github.com/npm/npm/releases/tag/v5.1.0 you can customize the shell with the script-shell configuration. Scripts are run from the root of the module, regardless of what your current working directory is when you call npm run. If you want your script to use different behavior based on what subdirectory you're in, you can use the INIT_CWD environment variable, which holds the full path you were in when you ran npm run. npm run sets the NODE environment variable to the node executable with which npm is executed. Also, if the --scripts-prepend-node-path is passed, the directory within which node resides is added to the PATH. If --scripts-prepend-node-path=auto is passed (which has been the default in npm v3), this is only performed when that node executable is not found in the PATH. If you try to run a script without having a node_modules directory and it fails, you will be given a warning to run npm install, just in case you've forgotten. You can use the --silent flag to prevent showing npm ERR! output on error. You can use the --if-present flag to avoid exiting with a non-zero exit code when the script is undefined. This lets you run potentially undefined scripts without breaking the execution chain. SEE ALSO
o npm help 7 scripts o npm help test o npm help start o npm help restart o npm help stop o npm help 7 config January 2019 NPM-RUN-SCRIPT(1)
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