Questions tagged [positional-parameter]
104 questions
1
vote
2 answers
Why positional arguments need to be specified before keyword arguments in Python?
I understand passing positional arguments first and then passing the keyword arguments is a rule in python.
And that's why these are wrong:
def fun(x,y):
print(x,y)
fun3(y=4,3)
SyntaxError: positional argument follows keyword argument
and…
Rishabh Kumar
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1
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1 answer
Powershell A positional parameter cannot be found that accepts argument '10'. While not even using a positional parameter
Note that the example code is contrived and is meant for illustration of the problem only.
I wanted to make a function in powershell to get some random numbers but i'm running into the very weird issue that when i dont use the position defining of…
smvd
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1
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2 answers
How to use positional argument with embed quotes in bash?
I'm trying to create a bash script that automates configuration of some letsencrypt related stuff.
The file that I have to edit is json so I would just use jq to edit it and pass the site name to it from the positional arguments of the script, but I…
The amateur programmer
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1
vote
2 answers
Bash - how to get a last character of a positional Parameter?
I am trying to read a last character of a string saved in a positional parameter $1. So far, I know how to do this only for the named variable, such as
echo "${str: -1}"
Could someone advise me how to do it for $1. Thought this could work, but it…
Jozef
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1
vote
2 answers
How do I pass multiple arguments to a shell script into `kubectl exec`?
Consider the following shell script, where POD is set to the name of a K8 pod.
kubectl exec -it $POD -c messenger -- bash -c "echo '$@'"
When I run this script with one argument, it works fine.
hq6:bot hqin$ ./Test.sh x
x
When I run it with two…
merlin2011
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1
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0 answers
pandas dataframe calling apply as a class variable: takes 1 positional argument but 2 were given
I am running into a weird python error that I could not understand:
import pandas as pd
import numpy as np
def logit(p):
if 0 < p < 1:
return np.log(p / (1 - p))
elif p == 0 or p == 1:
return pd.NA
else:
raise…
qkhhly
- 1,150
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1
vote
1 answer
SystemError is raised after attempt to create function with positional-only args in runtime inside other one
There is some test code:
some_type = int
def func0():
def func1(arg: some_type, /):
pass
func0()
And I get the following error:
Traceback (most recent call last):
...
SystemError: no locals when loading 'some_type'
However the code…
facehugger
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1
vote
0 answers
Command line using an array with spaces
How can I pass an array where some values have spaces.
I mean:
script.sh
#/bin/bash
echo $1, $#
I can run this little script
$ ./script.sh a --> a, 1
$ ./script.sh "a b" --> a b, 1
$ v=("a b" c)
$ ./script.sh ${v[@]} --> a, 3
$ ./script.sh…
user721730
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1
vote
1 answer
Bash - How to pass array to function, with index defined in new function
I have this current function used to create an array in a menu style (associative arrays can't be used in the scenario).
declare -a array1=("host1" "host2" "host3")
declare -a array2=("ip1" "ip2" "ip3")
function menusetup {
iter=0
for ((i=0;…
Daniel Schreiber
- 13
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1
vote
3 answers
bash function with three to infinitely arguments
Lets assume I have some python argparse script which I would like to kind of alias using a bash function.
Let us assume this python script takes four arguments:
--arg1
--arg2
--arg3
--arg4
What I would like to achieve is taking the first two…
Peterhack
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1
vote
1 answer
How do you specify both static and dynamic positional parameters in Powershell?
EDIT
As per The Mad Technician's suggestion, I have submitted a bug report for this on the PowerShell UserVoice site:…
Micah Hunsberger
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1
vote
4 answers
setting a positional parameter in a function in bash
I'm making a function to easly convert my strings to arrays as I need to.
I am somewhat running into a weird issue. I am still new to bash and this is really bugging me. Would anybody be able to shed some light onto…
IT kid
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1
vote
1 answer
accessing a positional parameter through a variable
I'm trying to access a positional parameter using a variable.
i.e. if I define a variable as 1, I want to access the 1st positional parameter, if I define it as 2 I want to access the 2nd positional parameter.
example:
bash script.bash arg1 arg2…
Maverick Meerkat
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1
vote
2 answers
How do I print the help interface on argparse with 2 positional arguments?
I'm learning the basics of argparse, and I have made a program that prints information on the solar system in the command line, however, I have used 2 positional arguments which is causing some complications. My aim is to print the 'help' interface…
cact1
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- 2
0
votes
2 answers
GET/POST request with additional non named parameter using python requests
I'm currently dealing with the implementation of a Anel Power Outlet manager. The Anel power outlet supports the following requests:
https://forum.anel.eu/viewtopic.php?f=52&t=888&sid=39081b8e472aaae7ffcec4cd3fb41e83
However, the special form of the…
Wör Du Schnaffzig
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