Tag: arrays

BASH – Create arrays from lines of csv file, where first entry is array name

I’m learning to script in Bash. I have an CSV file, which contains next lines: Need to create arrays from this, where first entry is array name, eg. Here is my script: When I try with csv file, containing only two first string (numbers and colors), code works well. And if i try to with number, colors, custom-1, custom-2, there

Delete newlines from all elements of a array in shell

arrays bash linux shell

I try to solve a problem in shell. Im trying to find a way to delete all newlines from each element of an array. I tried to do this with a for loop. The Strings look like this (always three numbers, separated with dots) “14.1.3n” and I need to get rid of the newline at the end. This is what

JavaScript Follow / Unfollow Button

arrays css html javascript linux

I would like to make a simple JavaScript program witch allow you to like and dislike. So actually I am new in JavaScript it’s a bit difficult me yet. So when you click onto the Follow button it will increase the “countF” variable’s amount with 1, and change the button text to “Unfollow”. So as I said it is a

How to declare a global array within an exec in javascript

arrays exec global javascript linux

I’m writing a js script to locate all pid files on a server, extract the pids and then run ‘ ps -fp {pid} ‘ on each of it and extract the memory usages. This is what I’ve got so far: The issue is pidsarr is not getting updated, probably since it’s not declared global or something to do with exec

How can i display the first five lines that differ between 2 files, in a shell script?

arrays file linux shell ubuntu

I ve tried using 2 arrays to compare the 2 files, but i m a rookie and i don’t know how to do it: Answer Do not use backticks `. Use $(..) instead. So instead of if ( “$i” == “$j” ) do if [ “$i” != “$j” ]. vec_fis_1 and vec_fis_2 are not arrays – ${vec_fis_1[@]} is just same

Shell Script : Send html formatted email while inside an array

arrays email html linux sendmail

I am trying to send html formatted email via shell script while reading a tab separated text file in array and need some help. I can see there were multiple similar question on forum and I also have multiple working scripts which can send html emails but I am not able to fit that code when I am inside an

Access List of Items from cURL Result

arrays bash curl linux unix

If u go to this url : http://artii.herokuapp.com/fonts_list, you will see a list of 417 items on the list. I’m trying to create a variable to store/access those list. I could not get it to work. I kept getting Any hints on how to do it ? Answer Starting with the assumption that the result is, in fact, one font

Obtaining IP from command ‘host’ executed inside python

arrays host linux python

I have this function to show me the 1st ip of a domain: But this only shows me the first ip. I’d like to show only the ip’s. The marker is for not having “has address” as shown below (imagine I input “reddit.com”: I want to show only the ips, not reddit.com has addressnor once the ip’s end, mail is

Bash for loop on two arrays

arrays bash for-loop linux

I have two arrays that I need to iterate over but I can’t figure out how to get the combination of both arrays… Answer

What does “~[]” do?

arrays c++ linux

I saw the following line of code here . I don’t understand, what does empty array script([]) do? Also, What is the purpose of ~[] in C? Answer The linked program seems to be logging its actions in some invented semi-formalized language. This logging “language” is not C. The string literal in your question is just a line in that