10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
There are many places where I can see the syntax description for optargs, which, usually boils down to this:
getopts OPTSTRING VARNAME
where:
OPTSTRING tells getopts which options to expect and where to expect arguments
VARNAME tells getopts which shell-variable to use for option reporting... (2 Replies)
Discussion started by: sharkura
2 Replies
2. Shell Programming and Scripting
Hi Unix Gurus,
i am on learning path of unix, and yet to discover many things. I came across with this requirement where i need to pass parameters but the position of parameters is not fixed so after doing some google search got to know "getopts" can handle that. So here is my code:
function... (3 Replies)
Discussion started by: gnnsprapa
3 Replies
3. Shell Programming and Scripting
can anyone spot a problem with the below:
$
$ cat getopts.sh
#!/bin/sh
usage() { echo "myscript.sh local /tmp data.txt 600s -query" 1>&2; exit 1; }
while... (4 Replies)
Discussion started by: SkySmart
4 Replies
4. Shell Programming and Scripting
Hi,
I have written a script to take command line arguments using geopts.This is the code.
#!/bin/sh
# The usage of this script.
usage="Usage is $0"
usage="$usage "
usage="$usage "
usage="$usage "
# Use the getopt utility to set up the command line flags.
set -- `/usr/bin/getopt... (4 Replies)
Discussion started by: arijitsaha
4 Replies
5. Shell Programming and Scripting
Hi everyone
I want to know how can we pass multiple argument in getopts
suppose
PARAMS="abcd"
while getopts ${PARMS} FLAG
do
case ${FLAG} in
(a)
(b)
(c)
(d)
esac (6 Replies)
Discussion started by: aishsimplesweet
6 Replies
6. Shell Programming and Scripting
How do I get the getopts command to display whats written at my help option if no option is types in? For example,
myscript.sh -h
will bring up my help option, however, I also want
myscript.sh
to do the same!
#!/bin/bash
while getopts :abh opt
do case "$opt" in... (2 Replies)
Discussion started by: linuxkid
2 Replies
7. UNIX for Advanced & Expert Users
i was going through the man page of getopts
this particular section is not clear to me can anyone please
clarify in a little detail so that i can understand the concept
MANPAGE::
Since getopts affects the current shell execution environ-
ment, it is generally provided as a... (7 Replies)
Discussion started by: mobydick
7 Replies
8. Shell Programming and Scripting
Hi, I am a new member to unix.com.
Actually I am facing a problem with getopts. In my script i have used getopts to parse the parameters. when i use the script as shown below its working fine:
find_status -p all ### where find_status is a script name.
But even if I pass more than one... (3 Replies)
Discussion started by: pvamsikr
3 Replies
9. Shell Programming and Scripting
while getopts l:f:s:o:h: c
do
case $c in
l) tail -${OPTARG} /etc/passwd
exit 2;;
f) head -${OPTARG} /etc/passwd
exit 3;;
s) grep ${OPTARG} /etc/passwd | cut -d: -f7
exit 4;;
o) OARG=$OPTARG
exit 5;;
h) ... (3 Replies)
Discussion started by: nadman123
3 Replies
10. Shell Programming and Scripting
I need to parse parameters but the arguments could be NULL,example:
> cat getopts.sh
while getopts "a:b:" opt 2>/dev/null
do
case "${opt}" in
a) echo "A:${OPTARG}" ;;
b) echo "B:${OPTARG}" ;;
*) exit 1 ;;
esac
done
> getopts.sh -a TEST1 -b TEST2... (5 Replies)
Discussion started by: Klashxx
5 Replies