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https://github.com/limosek/zaf.git
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35 lines
846 B
Bash
35 lines
846 B
Bash
#!/bin/sh
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. $(dirname $0)/preload.sh
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help() {
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zaf_err "$0 seconds cmd..."
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}
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seconds=$1
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shift
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[ -z "$*" ] && help
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zaf_trc "zafcache($seconds): $ITEM_KEY,'$2' '$3' '$4' '$5' '$6' '$7' '$8' '$9'"
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if [ -z "$ITEM_KEY" ]; then
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key=$(echo $*|tr ' ' '_')
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else
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key="$(echo ${ITEM_KEY}|cut -d '[' -f 1)[$(shift; echo $*|tr ' ' ',')]"
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fi
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if ! zaf_fromcache "$key"; then
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zaf_fromcache "$key" >/dev/null 2>/dev/null
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[ $? -eq 3 ] && { zaf_err "Operation $key already in progress."; }
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if zaf_which at >/dev/null 2>/dev/null; then
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at -M now >/dev/null 2>/dev/null <<EOF
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. $(dirname $0)/preload.sh; tmpf=\$(zaf_tmpfile cache); $@ 2>"\$tmpf" | zaf_tocache_stdin "$key" "$seconds" ; [ -s \$tmpf ] && zaf_wrn <\$tmpf
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EOF
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else
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tmpf=$(zaf_tmpfile cache)
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$@ 2>"$tmpf" | zaf_tocache_stdin "$key" "$seconds"
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[ -s $tmpf ] && zaf_wrn <$tmpf
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fi
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fi
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