10-28-2007
Setting numbered variables
Normally I would post in the shell scripting area, but this is so basic I thought I'd best put it in the dummy area!
I want to set a series of numbered variables. I have a loop which increments a variable called $i with each loop. I want to name variables with this number e.g. var1, var2, var3 etc.
I have tried the following:
var$i="value"
but get the following:
var$i="value"
ksh: var1=value: not found.
It appears to make the substitution but fail to create the variable.
I'm sure I'm missing something here.
9 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi everyone,
I am trying to set up the .profile for a user I have just created. In trying to set up the shell variables, I want to make the shell be korn shell (default shell i believe is Borne shell), so, this is what I did:
SHELL=/usr/bin/ksh
export SHELL
Whenl executing the .profile,... (1 Reply)
Discussion started by: rachael
1 Replies
2. UNIX for Dummies Questions & Answers
Hello,
I want to set some environment variables with this script:
ip=$@
echo Remote Computer: $ip
PERLDB_OPTS="CallKomodo=$ip:9000 RemotePort=$ip:9010 PrintRet=0"
export PERLDB_OPTS
PERL5LIB=/opt/komodo
export PERL5LIB
echo PERLDB_OPTS: $PERLDB_OPTS
echo PERL5LIB: $PERL5LIB
But it... (5 Replies)
Discussion started by: Gargamel
5 Replies
3. Shell Programming and Scripting
I'm not quite sure what I'm doing wrong here.
I've go several jobs which print reports. Occassionally a printer will break down and reports need to be move to another printer. Rather than hard code the printer names in our scripts I'm trying to set these programatically
using our function... (1 Reply)
Discussion started by: BCarlson
1 Replies
4. UNIX for Advanced & Expert Users
i have a file .NAMEexport MY_NAME=JOE
when i do this at the command prompt #. .NAME
$echo MY_NAME
$JOEi created a script called Run.sh . .NAME At the command prompt i did #sh Run.sh
#echo $MY_NAMEit returns nothing. What have i missed out? (7 Replies)
Discussion started by: new2ss
7 Replies
5. UNIX for Dummies Questions & Answers
Hi all,
I have a shell script that sets up the environment for an application running on UNIX - ksh. This script is run using:
. ./script_name XX
where XX is a parameter. I want to run it from another shell script but when I do it I don't get the envornment variables set up and the prompt... (3 Replies)
Discussion started by: solar_ext
3 Replies
6. UNIX for Dummies Questions & Answers
hi all,
I would appreciate if some one could explain me the difference between setting up the variables as shown below
HOME=${HOME:-"/home/user1"}
HOME=/home/user1 (1 Reply)
Discussion started by: SSSB
1 Replies
7. UNIX for Dummies Questions & Answers
#!/bin/bash
if ; then
ASS1_DATA_DIR=./
echo $ASS1_DATA_DIR
export ASS1_DATA_DIR
echo "data dir"
fi
if ; then
ASS1_OUTPUT_DIR=./
export ASS1_OUTPUT_DIR
fi
I want to create a new environment variable ASS1_DATA_DIR and ASS1_OUTPUT_DIR in bash and set them to the current... (4 Replies)
Discussion started by: bigubosu
4 Replies
8. Shell Programming and Scripting
Hi,
I have some hundreds/thousands of files named logX.dat, where X can be any integer, and they are sequential, X ranges between 1 and any number:
log1.dat log2.dat log3.dat log6.dat log10.dat ... log6000.dat
I would like to rename them to
scatter_params_0001.dat... (6 Replies)
Discussion started by: pau
6 Replies
9. UNIX for Beginners Questions & Answers
Hi,
I am a beginner in Unix. Now I am learning setting up variables. However, I am receiving an error. Can anyone please help me with it
My command as
Test=unixprogramming
returns the error command not found.
(I am using FreeBSD Unix and in my terminal, it is ~% instead of $ . is the... (2 Replies)
Discussion started by: kgopan
2 Replies
LEARN ABOUT XFREE86
libbash
LIBBASH(7) libbash Manual LIBBASH(7)
NAME
libbash -- A bash shared libraries package.
DESCRIPTION
libbash is a package that enables bash dynamic-like shared libraries. Actually its a tool for managing bash scripts whose functions you may
want to load and use in scripts of your own.
It contains a 'dynamic loader' for the shared libraries ( ldbash(1)), a configuration tool (ldbashconfig(8)), and some libraries.
Using ldbash(1) you are able to load loadable bash libraries, such as getopts(1) and hashstash(1). A bash shared library that can be loaded
using
ldbash(1) must answer 4 requirments:
1. It must be installed in $LIBBASH_PREFIX/lib/bash (default is /usr/lib/bash).
2. It must contain a line that begins with '#EXPORT='. That line will contain (after the '=') a list of functions that the library
exports. I.e. all the function that will be usable after loading that library will be listed in that line.
3. It must contain a line that begins with '#REQUIRE='. That line will contain (after the '=') a list of bash libraries that are
required for our library. I.e. every bash library that is in use in our bash library must be listed there.
4. The library must be listed (For more information, see ldbashconfig(8)).
Basic guidelines for writing library of your own:
1. Be aware, that your library will be actually sourced. So, basically, it should contain (i.e define) only functions.
2. Try to declare all variables intended for internal use as local.
3. Global variables and functions that are intended for internal use (i.e are not defined in '#EXPORT=') should begin with:
__<library_name>_
For example, internal function myfoosort of hashstash library should be named as
__hashstash_myfoosort
This helps to avoid conflicts in global name space when using libraries that come from different vendors.
4. See html manual for full version of this guide.
AUTHORS
Hai Zaar <haizaar@haizaar.com>
Gil Ran <ril@ran4.net>
SEE ALSO
ldbash(1), ldbashconfig(8), getopts(1), hashstash(1) colors(1) messages(1) urlcoding(1) locks(1)
Linux Epoch Linux