/usr/share/doc/bash/examples/scripts.noah/aref.bash is in bash-doc 4.2+dfsg-0.1+deb7u3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | # aref.bash --- pseudo-array manipulating routines
# Author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created 1992-07-01
# Last modified: 1993-02-03
# Public domain
# Conversion to bash v2 syntax done by Chet Ramey
# Commentary:
# Code:
#:docstring aref:
# Usage: aref NAME INDEX
#
# In array NAME, access element INDEX (0-origin)
#:end docstring:
###;;;autoload
function aref ()
{
local name="$1"
local index="$2"
set -- ${!name}
[ $index -ge 1 ] && shift $index
echo $1
}
#:docstring string_aref:
# Usage: aref STRING INDEX
#
# Echo the INDEXth character in STRING (0-origin) on stdout.
#:end docstring:
###;;;autoload
function string_aref ()
{
local stuff=${1:$2}
echo ${stuff:0:1}
}
provide aref
# aref.bash ends here
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