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git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-11 01:14:54 +00:00
35 lines
538 B
Bash
35 lines
538 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 $retval
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}
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}
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)}
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md5s() {
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which md5sum 2>&1 >/dev/null && md5sum "$@" | awk '{print $1}' || md5 "$@"
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}
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