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jssh_updateArray update array only if file has changed

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Kay Marquardt (Gnadelwartz) 2020-06-14 20:36:14 +02:00
parent bc44331183
commit 2af9d76ea7
1 changed files with 14 additions and 2 deletions
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16
modules/jsonDB.sh
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@ -5,7 +5,7 @@
# This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
#
#### $$VERSION$$ v0.98-dev-13-g2281943
#### $$VERSION$$ v0.98-dev-15-gbc44331
#
# source from commands.sh to use jsonDB functions
#
@ -212,7 +212,7 @@ jssh_newDB() {
# $1 filename, check filename, it must be relative to BASHBOT_VAR, and not contain '..'
# returns real path to DB file if everything is ok
jssh_checkDB_sync() { jssh_checkDB "$@"; }
jssh_checkDB_async() { jssh_checkDB "$@"; }
jssh_checkDB(){
local DB
[ -z "$1" ] && return 1
@ -225,6 +225,18 @@ jssh_checkDB(){
printf '%s' "${DB}"
}
# updates Array if DB file has changed since last call
# $1 name of array to update
# $2 database
# $3 id used to identify caller
jssh_updateArray_asyn() { jssh_updateArray "$@"; }
function jssh_updateArray() {
local DB; DB="$(jssh_checkDB "$2")"
[ -z "${DB}" ] && return 1
[ ! -f "${DB}" ] && return 2
[ "${DB}" -nt "${}.last${3}" ] && touch "${DB}.last${3}" && jssh_readDB "${1}" "${2}"
}
######################
# implementations as non atomic functions