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Top Forums Shell Programming and Scripting Joining two arrays and then creating a variable Post 302243417 by carlos25 on Sunday 5th of October 2008 11:29:11 AM
Old 10-05-2008
Basically what I want to do is take SURNAME and assign it to NAME as a variable for each element.
This is what I have come up with... ( adding/changing - [ typeset NAME[$i]="${SURNAME[$i]}" ])
Code:
#!/bin/bash

NAME="John" "Mary" "Fred"
SURNAME="Doe" "Poppins" "Flintstone"

for i in $@
do

NAME[${#NAME[@]}]=$i
SURNAME[${#SURNAME[@]}]=$i
done

for ((i=0; i < ${#NAME[@]}; i++))
do

typeset NAME[$i]="${SURNAME[$i]}"

done

echo "$John"
echo "$Mary"
echo "$Fred"

As I mentioned in my original post I got it to work another way and couldn't replicate it again. I was just wondering if it was a fluke or another way of assigning an array I was not aware of.

A follow-up question to this is how I would approach combining the two arrays together into another single array?

example: display_name="NAME[$i] ${SURNAME[$i]}"

So that it would echo ${display_name[0]} and return "John Doe"

---
Carl
 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.11 3 Aug 1994 echo(1B)
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