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Shell Programming and Scripting
Advanced Getopts
Post 71188 by google on Sunday 8th of May 2005 09:21:12 AM
05-08-2005
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1. Shell Programming and Scripting
hey
need help with getopts again.
i am using getopts to read my command line options and arguments. i can manage to do for options that have only one argument
e.g srcipt_name -f 3
i am able to use getopts to do this but i am having problems two accept more than two agruments
e.g.... (1 Reply)
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Hi
i have part of the scripts below ,getopt for -h or ? not working for me.
can anybody tell me if this sytax right or wrong.
#!/usr/bin/ksh
program=$(basename $0)
#####################################################################################
function usageerr
{
RC=1
... (3 Replies)
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Hi,
My script will take a input file as a parameter(which is not mandatory) and also an option.
ksh my_script.sh <inputfile>
The option -n I have given is no way related to the input file.
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4. Shell Programming and Scripting
I am having some trouble/questions with getopts that I can't find any solid info on with google
I need it to parse things of the syntax of:
-r # # # -f -c
with as many repeats as possible, and it should catch erroneous commands also, but continue going...
my first question is, -r... (3 Replies)
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5. UNIX for Dummies Questions & Answers
Hey, i need help with the use of getopts in shell script.
tried reading a lot online, but found incomplete examples (maybe complete but cudn't make out). PLzz help...explain in deatil plzzz, i am a newbie:confused: (3 Replies)
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6. Shell Programming and Scripting
First off, I apologize for my lack of knowledge. I realize my problem will probably seem pretty basic to everyone, but I've been at this for several hours now and I've gotten nowhere. I would contact my professor, but it is too late for that.
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7. Shell Programming and Scripting
Suppose I have a code below .
while getopts a: opt
do
case $opt in
a) app_name="$OPTARG";;
*) echo "$opt is an invalid option";
exit 1;;
?) echo "The value of $OPTARG is an invalid option";
exit 1;;
esac
done
Could anyone please tell me in which case my... (1 Reply)
Discussion started by: maitree
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8. Shell Programming and Scripting
Hi all...
I have been looking on here for the past few days for an answer and Im gonna have to break down and ask.
I just learned about the getopts command last week so have been trying to utilize it in my scripts.
Below, I am trying to set up a case structure for options using getopts.... (1 Reply)
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while getopts v OPTION
do
case $OPTION in
v) echo "Hello" ;;
*) exit 1;;
esac
done
Suppose I have script tmp.sh
Whose Signature is tmp.sh <fixed_argument>
When I run the script with tmp.sh -v "file", it echoes a hello but, when I try the other way i.e, tmp.sh... (1 Reply)
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10. Shell Programming and Scripting
Hi All,
I am writing a script to pass the getopts argument to the function which I have. But it as soon as I execute the script, the argument is taking it as blank. I tried using multiple way to check but its not working.
Can someone please let me know what wrong in this code.
function1()... (4 Replies)
Discussion started by: sidh_arth85
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LEARN ABOUT OPENSOLARIS
sum
sum(1) User Commands sum(1) NAME
sum - print checksum and block count for a file SYNOPSIS
sum [-r] [file]... DESCRIPTION
The sum utility calculates and prints a 16-bit checksum for the named file and the number of 512-byte blocks in the file. It is typically used to look for bad spots, or to validate a file communicated over some transmission line. OPTIONS
The following options are supported: -r Use an alternate (machine-dependent) algorithm in computing the checksum. OPERANDS
The following operands are supported: file A path name of a file. If no files are named, the standard input is used. USAGE
See largefile(5) for the description of the behavior of sum when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes). ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of sum: LC_CTYPE, LC_MESSAGES, and NLSPATH. EXIT STATUS
The following exit values are returned. 0 Successful completion. >0 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------------------------------------+ | ATTRIBUTE TYPE ATTRIBUTE VALUE | |Availability SUNWesu | |CSI Enabled | +-----------------------------------------------------------+ SEE ALSO
cksum(1), sum(1B), wc(1), attributes(5), environ(5), largefile(5) DIAGNOSTICS
Read error is indistinguishable from end of file on most devices. Check the block count. NOTES
Portable applications should use cksum(1). sum and usr/ucb/sum (see sum(1B)) return different checksums. SunOS 5.11 7 Nov 1995 sum(1)