Questions tagged [optionparser]
93 questions
4
votes
2 answers
multiple invocations of OptionParser.parse_args() within the same python execution
I have the following example setup:
|-- main_script.py
`-- module
|-- __init__.py
`-- submodule.py
where the contents of main_script are:
import optparse
import module
parser = optparse.OptionParser()
group =…
Ali-Akber Saifee
- 4,406
- 1
- 16
- 18
4
votes
2 answers
Ruby: OptionParser: String Arg & Hash Assignment
Using OptionParser for string argument input and hash assignment. What is the best way to read-in multiple variables for a single argument? How do I then assign those to a hash to reference? Here is what I have so far:
large_skus =…
user453366
- 75
- 1
- 5
3
votes
2 answers
Ruby OptionParser not parsing -- commands properly
Here is a stripped down version of OptionParser
OptionParser.new do |opts|
opts.on('-f', '--format FORMAT', 'output format (text, html, yml, json, xml)') do |format|
options['format'] = format
end
end
Here is the trial…
TIMBERings
- 688
- 1
- 8
- 28
3
votes
1 answer
Informational text for rails runners
I have a script like
OptionParser.new do |opts|
opt.on("-h","--help","help") do
puts opts
end
end.parse!
But whenever I call rails runner my_script.rb --help it shows me help for the rails runner and not my script. Is there a way that I can…
Xodarap
- 11,581
- 11
- 56
- 94
3
votes
2 answers
optionparser pass an array to ruby file
I have a trouble with passing an arguments to my ruby file. IE,
OptionParser.new do |opts|
opts.banner = 'Usage: mp3split.rb [options]'
opts.on('-f', '--filename fName1,fName2,fName3', Array, 'absolute or relative pathes to file') { |f|…
Alex Antonov
- 14,134
- 7
- 65
- 142
3
votes
2 answers
How to string format OptionParser() help message?
How to string format OptionParser() help message? It seems to ignore the new line character? Please see below code.
parser = OptionParser()
parser.add_option("--s", dest="s", type="string", help="first line \n second line")
Intention:
current…
user3388884
- 4,748
- 9
- 25
- 34
3
votes
1 answer
Force mandatory command line argument using OptionParse in Ruby
I have this code:
options = {}
opt_parse = OptionParser.new do |opts|
opts.banner = "Usage: example.rb [options]"
opts.on("-g", "--grade [N]", "Grade") do |g|
options[:grade] = g
end
opts.on_tail("-h", "--help", "Show this message")…
Israel
- 3,252
- 4
- 36
- 54
2
votes
4 answers
Why does this command fail when I use a # in command line args?
I have the following command:
ruby SaveAllDatabases.rb 192.168.0.15 1024 -r #0-D --non-interactive
It's a fairly basic command in which I run a ruby script with some command line arguments. The -r argument is a regular expression (#0-D).
If I run…
Karl Nicoll
- 16,090
- 3
- 51
- 65
2
votes
2 answers
unittest for command line arguments
How do I unit test my script for incorrect command line arguments?
For example,
my_script.py -t
should give an error since -t flag is not present, as shown in the code below:
parser = OptionParser()
parser.add_option("-d",
…
Steve
- 101
- 1
- 7
2
votes
3 answers
python script envoke -h or --help if no options are chosen
Trying to make my script more generic so I added some flags. My problem is the help only works if you type -h , obviously. I want to envoke -h when no flags are selected.
For example:
python 0_log_cleaner.py
Traceback (most recent call last):
…
chowpay
- 1,515
- 6
- 22
- 44
2
votes
0 answers
Providing an argument that looks like an option (rails runner / OptionParser / optparse)
I have a script magic which uses rails runner to invoke another script magic-foo.rb, which does it's own option parsing. Something like this:
exec("#rails", "runner", "#{some_path}/bin/magic-foo.rb", *arguments)
I want to expose the --help option…
Josh Barr
- 21
- 3
2
votes
2 answers
Can I use Ruby's OptionParser to accept an arbitrary argument pattern?
Let's say that I have a simple Ruby app where I want the first argument (if any) to specify the environment: TEST, DEVELOPMENT or PRODUCTION (with DEVELOPMENT being the default if no argument is given). For instance,
ruby myapp.rb test
would run it…
Trevor Burnham
- 76,828
- 33
- 160
- 196
2
votes
2 answers
Application with both console and gui mode
I have a python console app. Like most python console apps it uses the OptionParser module to take arguments. I've now developed a GUI for my app using wxPython and i'd like to integrate the two. I'd like my app to be run both from the console and…
Mridang Agarwalla
- 43,201
- 71
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- 382
2
votes
1 answer
How do you use OptionParser to open a file with command-line options?
I'm getting this error when trying to print line from a file via command-line options
no implicit conversion of true into String (TypeError)
from threat_detection.rb:64:in 'new'
from threat_detection.rb:64:in ''
If I use the file name…
insecure-IT
- 2,068
- 4
- 18
- 26
2
votes
3 answers
Modify Ruby OptionParser error message
I'm learning to use Ruby's OptionParser class. How can I improve the quality of the parsers error messages? Here is an example of an flag with a mandatory option that must be one of hour, day, week, or month.
opt_parser = OptionParser.new do |opts|
…
everett1992
- 2,351
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