Hello,
I need to insert a line (like a header) as the first line of a very huge file (about 3 ml rows). I am able to do it with sed, but redirecting the output and creating a new file takes quite some time. I was wondering if there was a more efficient way of doing it?
Any help would be... (3 Replies)
Can I insert rows based on line numbers. Say If I need to insert 1 or more rows in a file from line number 10. Can I do that in UNIX
I have a file something like
A
B
C
D
E
F
After row C, I wanted to add 2 records as X and Y. I have the line number after C as my reference. Can I... (2 Replies)
Hi,
I have a file which has a number in each line ( i think they are strings )
I will have a $first and $last variable, which are strings but contains only numbers. Also a file $f, I want to filter out the lines in $f with only numbers in between $first and $last. Do I need to consider the... (2 Replies)
I have a file, in which a single record spans across multiple lines,
File 1
====
14|\n
leave request \n
accepted|Yes|
15|\n
leave request not \n
acccepted|No|
I wanted to remove the '\n charecters. I used the below code (foudn somewhere in this forum)
perl -e 'while (<>) { if... (1 Reply)
Hi,
I need to insert a new line containing the string "QUERY" above every 5 lines.
The below piece of code inserts a new line after every 5th line
awk '{print $0} !(NR%5) {print "QUERY"}'
sed 'n;n;n;n;G;' --> I do not know how to give "QUERY" string here
But I need to insert it before... (4 Replies)
Hi
I had the text file as below and i wand to keep only 4 lines from tag :7023: to next : (i.e new tag start) including tag lines. any solution ?
:7023:TEST LINE NUMBER
1101010021442 TESTING
HI HERE
PLEASE HELP ME OUT
AC 20101906523
:7028:OUR (12 Replies)
I have a test file that I want to read and insert only certain lines into the
the table based on a filter.
1. Rread the log file 12 Hours back Getdate() -12 Hours
2. Extract the following information on for lines that say "DUMP is
complete"
A. Date
B. Database Name
C.... (2 Replies)
Hi All,
I am using UNix Sun OS sun4u sparc SUNW,SPARC-Enterprise
My intention is to insert a line of text after 13th line of every file inside a particular directory.
While trying to do it for a single file , i am using sed
sed '3 i this is the 4th line' filename
sed: command garbled: 3... (5 Replies)
I have a file contains thousands of lines. I want to insert n random numbers into each line at
specific position. Like this:
0 22……
1 33……
……
……
I want to insert 3 random numbers from position 2 to 4 into each line.
0 325 22……
1 685 33……
……
……
Please use CODE tags when... (8 Replies)
Discussion started by: hhdzhu
8 Replies
LEARN ABOUT LINUX
npm-run-script
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)