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Use += when concatenating strings

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Gerhard Hoffmann 2022-06-06 18:59:31 +02:00
parent d6131e04e9
commit e2fc368371
1 changed files with 5 additions and 3 deletions
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8
general_utils
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@ -1,4 +1,4 @@
#!/bin/bash #! /bin/bash -
# set -x # set -x
source ./log_helpers source ./log_helpers
@ -34,12 +34,13 @@ if [ "${general_utils_sourced:-1}" = "1" ]; then # include only once
local ps_pid=$! # remember pid of process substitution local ps_pid=$! # remember pid of process substitution
local __result="" local __result=""
while read __tmp <&$fd; do while read __tmp <&$fd; do
if ! [ -z "$__tmp" ]; then if ! [ -z "$__tmp" ]; then
__result="${__result}$__tmp" __result+=" $__tmp"
fi fi
done done
exec {fd}>&- # close fd (i.e. process substitution) exec {fd}>&- # close fd (i.e. process substitution)
wait $ps_pid # wait for the subshell to finish wait $ps_pid # wait for the subshell to finish
@ -49,6 +50,7 @@ if [ "${general_utils_sourced:-1}" = "1" ]; then # include only once
printf '%s' "$__result" printf '%s' "$__result"
return $__result_code return $__result_code
} }
# exec_process_substitution 'opkg --noaction list'
usage () { usage () {
echo "Usage: $PROGRAM [--file config] [--?] [--help] [--version] [--dbg]" echo "Usage: $PROGRAM [--file config] [--?] [--help] [--version] [--dbg]"