a function in Perl/Ruby to remove newline at the end of a string,
Questions tagged [chomp]
60 questions
0
votes
1 answer
Lines are not getting printed after application of chomp in perl
#!/usr/bin/perl
use warnings;
use Switch;
while (<>) {
next if /^\s*\/\//;
next if /^\s*$/;
my $line="$_";
chomp($line);
print $line;
print "Checking for line:\n$line";
}
This is my code which takes input file from command line. It…
sarthak
- 774
- 1
- 11
- 27
0
votes
1 answer
Ruby--How to get input from server without error? (socket.gets.chomp throwing error)
I'm running a server/client program, I keep getting an error I don't understand:
FishClientRun.rb:18:in `': undefined method `chomp' for nil:NilClass (NoMethodError)
Shizuo:FISHGAME2 macowner$
However, the code runs once. It actually…
Yallo
- 51
- 2
- 9
0
votes
2 answers
How do I remove the special character at the end?
I have the following code in my program, which aims to return the version and subversion of Debian installed. The output from shell is read by the variables and parsed and a string formed.
#!/usr/bin/perl
use warnings;
use strict;
use Scalar::Util…
Joel G Mathew
- 7,561
- 15
- 54
- 86
0
votes
1 answer
How do i delete any characters from an array in rails?
I have an array list of email address and i want to delete eveything after the ";"
i tried chomp. but that didnt seem to work.
How would i loop through the array and remove everything after the ";" in my view.
Fresh
- 757
- 1
- 7
- 18
0
votes
3 answers
Rails chomp method not working
I have the following line of code in my model method.
subjectsinlist='['
subjectlist.subjects.each do |subject|
subjectsinlist=subjectsinlist+subject.subject_code+', '
end
subjectsinlist.chomp(', ')
subjectsinlist+="]"
An example of the…
Butter Beer
- 1,100
- 3
- 16
- 32
0
votes
2 answers
How to receive data from user without ruby adding an extra newline
I am trying to create a program that alphabetizes a users' word entries. However, inspection of the users entries reveals that ruby is for some reason adding a newline character to each word. For instance, If i enter Dog, Cat, Rabbit the program…
Bodhidarma
- 519
- 1
- 7
- 25
0
votes
2 answers
Unchomping a file, then appending a string
I have a text file with path name file, and some content string that I want to append to it. I want to do something close to
File.open(file, "a"){|io| io.puts(string)}
but if the original content of the file does not end with an endline character…
sawa
- 165,429
- 45
- 277
- 381
0
votes
3 answers
Perl+Selenium: chomp() fails
I'm using Selenium for work and I have extract some data from "//ul", unfortunately this data contains a newline, I tried to use chomp() function to remove this (because I need to write in a CSV's file) but it's not working, the portion of code…
fdicarlo
- 450
- 1
- 5
- 10
-1
votes
3 answers
Chomping inside an array
puts (Array.new(200) {(1..100).to_a[rand(100)]}).group_by { |x| (x - 1) / 10 }.sort_by { |x| x }.map {|x, y| [10 * x + 1, "-" , 10 * (x + 1), " ", "|", " ", "*" * (y.length)]}
In the above code, I need to chomp after each comma in the map block.…
user1179092
- 5
- 4
-1
votes
2 answers
How do I use correctly chomp command to get rid of \n character in perl?
my question is very simple: i have a database that is looking like this:
My goal is just to eliminate the newline \n at the end of every sequence line, NOT OF THE HEADER, i tried the following code
#!/usr/bin/perl
use strict;
my $db = shift;
my…
Alfredo Mari
- 31
- 4
-1
votes
1 answer
Need something like open OR DIE except with chomp
I'm fairly new to coding and I need a fail statement to print out as if it were an or die.
Part of my code for an example:
print "Please enter the name of the file to search:";
chomp (my $filename=) or die "No such file exists.…
distro
- 41
- 5
-1
votes
3 answers
Difference between chomp and trim in Perl?
What is the difference between chomp and trim in Perl? Which one is better to use and when?
Sam 333
- 61
- 2
- 8
-1
votes
4 answers
how to read all file names from a given directory using perl?
friends i 've this code which read file name from a directory and print those names
opendir DIR1, "defaults" or die "cannot open dir: $!";#open the given dir
my @default_files=readdir DIR1;
foreach my $fls(@default_files){
…
Thiyagu ATR
- 2,224
- 7
- 30
- 44
-2
votes
1 answer
Perl chomp function not working properly
i have a file which contains something like this
name: A id: B cl: C
name: D id: E cl: F
name: I id: G cl: K
i am grep the contents after cl: and storing it in an array
#!/usr/bin/perl
@success=qw(C J K L);
…
user3095218
- 39
- 1
- 9
-3
votes
2 answers
changing a variable using gets.chomp()
im trying to write to a file using this code:
puts "-------------------- TEXT-EDITOR --------------------"
def tor(old_text)
old_text = gets.chomp #
end
$epic=""
def torr(input)
tore= $epic += input + ", "
File.open("tor.txt", "w") do…
TorB
- 9
- 3