Use += when concatenating strings
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@ -1,4 +1,4 @@
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#!/bin/bash
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#! /bin/bash -
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# set -x
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source ./log_helpers
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@ -34,12 +34,13 @@ if [ "${general_utils_sourced:-1}" = "1" ]; then # include only once
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local ps_pid=$! # remember pid of process substitution
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local __result=""
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while read __tmp <&$fd; do
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if ! [ -z "$__tmp" ]; then
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__result="${__result}$__tmp"
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__result+=" $__tmp"
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fi
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done
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exec {fd}>&- # close fd (i.e. process substitution)
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wait $ps_pid # wait for the subshell to finish
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@ -49,6 +50,7 @@ if [ "${general_utils_sourced:-1}" = "1" ]; then # include only once
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printf '%s' "$__result"
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return $__result_code
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}
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# exec_process_substitution 'opkg --noaction list'
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usage () {
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echo "Usage: $PROGRAM [--file config] [--?] [--help] [--version] [--dbg]"
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