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Questions tagged [getopt]

The `getopt` and `getopt_long` functions automate some of the chores involved in parsing typical unix command line options.

The getopt and getopt_long functions automate some of the chores involved in parsing typical unix command line options.

For details, please read here.

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Using getopts to process long and short command line options

I wish to have long and short forms of command line options invoked using my shell script. I know that getopts can be used, but like in Perl, I have not been able to do the same with shell. Any ideas on how this can be done, so that I can use…
gagneet
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Why use argparse rather than optparse?

I noticed that the Python 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse. Why has yet another command-line parsing module been created? Why should I use it instead of…
fmark
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Optional option argument with getopts

while getopts "hd:R:" arg; do case $arg in h) echo "usage" ;; d) dir=$OPTARG ;; R) if [[ $OPTARG =~ ^[0-9]+$ ]];then level=$OPTARG else level=1 fi ;; \?) echo…
iverson
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getopt does not parse optional arguments to parameters

In C, getopt_long does not parse the optional arguments to command line parameters parameters. When I run the program, the optional argument is not recognized like the example run below. $ ./respond --praise John Kudos to John $ ./respond --blame…
hayalci
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getopt.h: Compiling Linux C-Code in Windows

I am trying to get a set of nine *.c files (and nine related *.h files) to compile under Windows. The code was originally designed in Linux to take command line arguments using the standard GNU-Linux/C library "getopt.h". And that library does not…
john_science
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How to use getopt/OPTARG in Python? How to shift arguments if too many arguments (9) are given?

How to use getopt/optarg in Python?
Mandar Pande
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How to support both short and long options at the same time in bash?

I want to support both short and long options in bash scripts, so one can: $ foo -ax --long-key val -b -y SOME FILE NAMES is it possible?
Lenik
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Processing multiple values for one single option using getopt/optparse?

Is it possible to fetch multiple values for one option using getopt or optparse, as shown in the example below: ./hello_world -c arg1 arg2 arg3 -b arg4 arg5 arg6 arg7 Please note that the number of actual values for each option (-c, -b) could be…
Open Grieves
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GetOpt library for C#

I'm looking for a getopt library for c#. So far I found a few (phpguru, XGetOptCS, getoptfordotnet) but these look more like unfinished attempts that only support a part of C's getopt. Is there a full getopt c# implementation?
Marijn Deé
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How to specify an optstring in the getopt function?

I'm not sure how to correctly use optstring in the getopt function in C. How should that string be formatted? I saw examples where letters are next to each other, sometimes separated by a semicolon, sometimes by two semicolons. What does it mean?
bLAZ
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After using PHP's getopt(), how can I tell what arguments remain?

OK, So PHP has a built-in getopt() function which returns information about what program options the user has provided. Only, unless I'm missing something, it's completely borked! From the manual: The parsing of options will end at the first…
edam
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how to take integers as command line arguments?

I've read a getopt() example but it doesn't show how to accept integers as argument options, like cvalue would be in the code from the example: #include #include #include #include int main (int argc,…
Andrew
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Using getopt in C with non-option arguments

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 files) to be mandatory, so you have to have them as…
Conor Taylor
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How to make a multi-character parameter in UNIX using getopt?

I'm trying to make a getopt command such that when I pass the "-ab" parameter to a script, that script will treat -ab as a single parameter. #!/bin/sh args=`getopt "ab":fc:d $*` set -- $args for i in $args do case "$i" in -ab) shift;echo…
Waffles
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C getopt multiple value

My argument is like this ./a.out -i file1 file2 file3 How can I utilize getopt() to get 3 (or more) input files? I'm doing something like this: while ((opt = getopt(argc, argv, "i:xyz.."))!= -1){ case 'i': input = optarg; break; …
w00d
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