Sponsored Content
Top Forums Shell Programming and Scripting parsing command line switches in Perl Post 302216837 by cbkihong on Monday 21st of July 2008 09:11:17 AM
Old 07-21-2008
My understanding is that the GetOpt::Long module implements the GNU switch syntax, and in that syntax ordering of the switches does not matter, so your requirements cannot be handled this way.

If ordering really matters, then I think it is a use case to parse the @ARGV directly.
 

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Parsing the command line arguments

Is there a way to get the command line arguments. I am using getopt(3) but if the arguments are more than one for a particular option than it just ignores the second argument. For eg ./a.out -x abc def now abd will be got with -x using getopt "( x : )" and string abc\0def will get stored... (7 Replies)
Discussion started by: jayakhanna
7 Replies

2. UNIX for Dummies Questions & Answers

command line argument parsing

how to parse the command line argument to look for '@' sign and the following with '.'. In my shell script one of the argument passed is email address. I want to parse this email address to look for correct format. rmjoe123@hotmail.com has '@' sign and followed by a '.' to be more... (1 Reply)
Discussion started by: rmjoe
1 Replies

3. Shell Programming and Scripting

Perl question, parsing line by line

Hello, Im very new to PERL and as a project to work on developing my skills at PERL Im trying to parse poker hands. Ive tried many methods however I cant get the last step. $yourfile= 'FILENAME';#poker hands to parse open (FILE, "$yourfile") or die $!; @lines = <FILE>; for (@lines) ... (1 Reply)
Discussion started by: Ek0
1 Replies

4. Shell Programming and Scripting

Help parsing command line arguments in bash

Looking for a little help parsing some command line arguments in a bash script I am working on, this is probably fairly basic to most, but I do not have much experience with it. At the command line, when the script is run, I need to make sure the argument passed is a file, it exists in the... (3 Replies)
Discussion started by: Breakology
3 Replies

5. Shell Programming and Scripting

Parsing a command line parameter in script

I have a simple script that builds a complex program call which passes a number of parameters to the program. I'm trying to enhance the script to include the value of the command line parameter in the name of a file being created. The problem I'm having is that the parameter may include a forward... (11 Replies)
Discussion started by: pbmax626
11 Replies

6. Programming

Parsing command line arguments in Python

Hi, I've a python script called aaa.py and passing an command line option " -a" to the script like, ./aaa.py -a & Inside the script if the -a option is given I do some operation if not something else. code looks like ./aaa.py -a . . if options.a ---some operation--- if not options.a... (1 Reply)
Discussion started by: testin
1 Replies

7. Shell Programming and Scripting

How can i use switches type arguments for subroutines in perl

i want to call subroutines in perl like: sub temp { ---- some code ----- } temp(-switchName, value1, --switchName2, value2) Like i know getoptions::Long is there for command line switches type arguments. So i want to know for subroutine type arguments. (1 Reply)
Discussion started by: Navrattan Bansa
1 Replies

8. Shell Programming and Scripting

Suggestions for command line parsing

Hi all I need to put a command line parser together to parse numeric fields and ranges passed to a script. I'm looking for a bash function that is as elegant and simple as possible. So the input would be of the following form - 1,2,8-12 This would return - 1,2,8,9,10,11,12 Input can... (7 Replies)
Discussion started by: steadyonabix
7 Replies

9. Shell Programming and Scripting

Command Line Perl for parsing fasta file

I would like to take a fasta file formated like >0001 agttcgaggtcagaatt >0002 agttcgag >0003 ggtaacctga and use command line perl to move the all sample gt 8 in length to a new file. the result would be >0001 agttcgaggtcagaatt >0003 ggtaacctga cat ${sample}.fasta | perl -lane... (2 Replies)
Discussion started by: jdilts
2 Replies

10. Shell Programming and Scripting

Parsing XML using command line

Hi Experts, How do I parse a XML with below contents <saw:user name="mbussey@xyz.com" /> <saw:user name="kimmy.chan@pqr.com" /> <saw:user name="chudgins@gmail.com" /> and retrieve below output ? mbussey@xyz.com kimmy.chan@pqr.com chudgins@gmail.com ... (17 Replies)
Discussion started by: pauldx
17 Replies
rakudo(1)						User Contributed Perl Documentation						 rakudo(1)

NAME
perl6 - Rakudo Perl 6 Compiler SYNOPSIS
perl6 [switches] [--] [programfile] [arguments] DESCRIPTION
With no arguments, enters a REPL. With a "[programfile]" or the "-e" option, compiles the given program and by default also executes the compiled code. -c check syntax only (runs BEGIN and CHECK blocks) -e program one line of program -h, --help display this help text -n run program once for each line of input -p same as -n, but also print $_ at the end of lines --target=[stage] specify compilation stage to emit -t, --trace=[flags] enable trace flags, see 'parrot --help-debug' --encoding=[mode] specify string encoding mode -o, --output=[name] specify name of output file -v, --version display version information --stagestats display time spent in the compilation stages --ll-backtrace display a low level backtrace on errors Note that only boolean single-letter options may be bundled Supported stages for --target are: parse past post pir evalpmc where parse = a representation of the parse tree past = an intermediate format representing the parrot abstract syntax tree post = an intermediate format representing the parrot opcode syntax tree pir = the parrot intermediate representation PARROT OPTIONS
To specify options to the underlying parrot VM, you must explicitly run parrot; you cannot specify these options by using the "perl6" executable. parrot [parrot switches] perl6.pbc [switches] [--] [programfile] [arguments] See "parrot --help" for a list of valid parrot options. AUTHORS
Written by the Rakudo contributors, see the CREDITS file. This manual page was written by Reini Urban, Moritz Lenz and the Rakudo contributors. perl v5.14.2 2012-01-22 rakudo(1)
All times are GMT -4. The time now is 12:01 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy