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https://git.openwrt.org/openwrt/openwrt.git
synced 2024-06-13 18:53:52 +02:00
38 lines
529 B
Bash
38 lines
529 B
Bash
getvar() {
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eval "echo \"\${$1}\""
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}
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var2file() {
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local var
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eval "var=\"\${$1}\""
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if [ -n "$var" ]; then echo "$var" > "$2"; fi
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}
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isset() {
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local var
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eval "var=\"\${$1}\""
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[ -n "$var" ]
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}
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trapret() {(
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local retvals="$1"; shift
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local cmd="$1"; shift
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for retval in $(echo $retvals); do
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local trap_$retval=1
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done
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"$cmd" "$@" || {
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local retval="$?"
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eval "trapped=\${trap_$retval}"
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[ -n "$trapped" ] || {
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return $retval
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}
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}
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)}
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md5s() {
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cat "$@" | (
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md5sum 2>/dev/null ||
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md5
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) | awk '{print $1}'
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}
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