argv Questions
5
Solved
I pass a character to my program and I want to store this character to variable. For example I run my program like this ./a.out s file. Now I want to save the argv[1] (its the s) to a variable (let...
11
Solved
I have an std::string containing a command to be executed with execv, what is the best "C++" way to convert it to the "char *argv[]" that is required by the second parameter of execv()?
To clarify...
8
Solved
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char *argv[]){
int fir; //badly named loop variable
char *input[] = calloc( strlen(argv), sizeof(c...
11
Solved
In many C++ IDE's and compilers, when it generates the main function for you, it looks like this:
int main(int argc, char *argv[])
When I code C++ without an IDE, just with a command line compil...
Sharpie asked 11/6, 2010 at 15:45
9
Solved
I'm doing ex13 from Learn Python The Hard Way
I'm trying to pass:
python ex13.py raw_input() raw_input() raw_input()
my code is below:
from sys import argv
script, first, second, third = arg...
6
Solved
I'm making a small program in C that deals with a lot of command line arguments, so I decided to use getopt to sort them for me.
However, I want two non-option arguments (source and destination fi...
Kavanagh asked 6/8, 2013 at 11:48
3
I have:
int main(int argc, char **argv) {
if (argc != 2) {
printf("Mode of Use: ./copy ex1\n");
return -1;
}
formatDisk(argv);
}
void formatDisk(char **argv) {
if (argv[1].equals("ex1")) {...
7
Solved
I'm reading a section from C Primer Plus about command-line argument argv and I'm having difficulty understanding this sentence.
It says that,
The program stores the command line strings in m...
Meadows asked 23/8, 2016 at 8:16
1
Some of my Rails tests require parameters from command line. After Rails 6.1. ARGV has been (for whatever reason) cleared and not available in application.
Is there an alternative way to get parame...
Interstratify asked 16/4, 2021 at 11:18
2
Starting out learning F#. Want to make a simple program that just tells me what it found in the command line args. I have:
[<EntryPoint>]
let main argv =
printfn "%A" argv
match argv with...
1
int main(int argc, char **argv){
printf("argv: %s\n",argv); // does not work and prints random stuff
printf("*argv: %s\n",*argv); // works and prints ".a.out"
}
I ...
8
Solved
In a C program I can write argv[0] and the new name shows up in a ps listing.
How can I do this in bash?
3
I have a binary I've been trying to fuzz with AFL, the only thing is AFL only fuzzes STDIN, and File inputs and this binary takes input through its arguments pass_read [input1] [input2]. I was wond...
Alvinaalvine asked 25/7, 2020 at 16:42
10
Solved
I'm attempting to write a function in bash that will access the scripts command line arguments, but they are replaced with the positional arguments to the function. Is there any way for the functio...
Infix asked 29/4, 2010 at 21:31
7
Solved
I have a very simple python script that should scan a text file, which contains lines formatted as id='value' and put them into a dict. the python module is called chval.py and the input file is in...
11
Solved
I'm currently going through Learn Python The Hard Way. I think this example might be out dated so I wanted to get feedback here on it.
I'm using Python 3.1
from sys import argv
script, fir...
Prosser asked 21/1, 2011 at 23:53
5
Solved
I have a Python script that needs to process a large number of files. To get around Linux's relatively small limit on the number of arguments that can be passed to a command, I am using find -print...
3
Solved
Is there a way to use argparse with any list of strings, instead of only with sys.argv?
Here's my problem: I have a program which looks something like this:
# This file is program1.py
import argpar...
2
Solved
With C/C++, we can get argv[0]:
printf("%s\n",argv[0])
In C#, args begins with argv[1].
Non of bellow API gives exactly argv[0], at least under Linux:
AppDomain.CurrentDomain.FriendlyName: onl...
2
Solved
Scenario is as follows:
I need to implement a command line argument system that allows both
-p <value>
and
-p
(no value for -p given)
Is there any way to achieve this using argparse, or...
7
Solved
In what encoding are the elements of sys.argv, in Python? are they encoded with the sys.getdefaultencoding() encoding?
sys.getdefaultencoding(): Return the name of the current default string enc...
3
When user specify a password in MySQL cli, aka -pXXXXXX, the password parameter is replaced to -p****** in argv array.
So when someone check the process list with ps, they can't see the password.
...
10
When executing a Java application the process name given to it is usually java.exe or javaw.exe. But how can I make it be called by the name of my application?
2
Solved
I wonder can input parameters of main() be changed at runtime. In other words, should we protect the app from possible TOCTTOU attack when handling data in argv? Currently, I don't know any way to ...
3
Solved
I have a program written by my professor that prints the working directory (pwd) by using execve(), but I don't understand the parameters.
pid_t pid = fork();
if(pid <0)
perror(NULL);
else if...
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