71 lines
1.4 KiB
Bash
71 lines
1.4 KiB
Bash
#!/bin/bash
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RED='\033[1;31m'
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GRN='\033[1;32m'
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YEL='\033[1;33m'
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BLU='\033[1;34m'
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WHT='\033[1;37m'
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MGT='\033[1;95m'
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CYA='\033[1;96m'
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END='\033[0m'
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function section() {
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echo ""
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log "***** Section: ${MGT}$1${END} *****";
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echo ""
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}
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function log() { >&2 printf "${WHT}#${END} $1\n"; }
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function error() { >&2 printf "${WHT}#${END} ${RED}$1${END}\n"; }
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# takes a function and many inputs, runs function on each input in parallel
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# inputs should be stored deliniated by newlines in $2
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# if $3 exists it will be a stub for logging filename
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function parallel_invoke_and_wait() {
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local procedure=$1
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local pids=()
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local rets=()
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if [[ ! $1 ]]; then
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log "failed to invoke null procedure"
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return 1
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fi
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if [[ ! $2 ]]; then
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log "failed to invoke procedure on 0 inputs"
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return 1
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fi
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IFS=$'\n'
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for input in $2; do
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log "invoking procedure with input $input"
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if [[ $3 ]]; then
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$procedure $input &>${3}${input}.log &
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else
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$procedure $input &
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fi
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pids+=("$input/$!")
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done
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cf="true"
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for pid in ${pids[*]}; do
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local p=$(basename $pid)
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local input=$(dirname $pid)
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wait $p
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local code=$?
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log "procedure with input $input returned $code"
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if [[ $3 && ! $code == 0 ]]; then # needs to catch code==2, etc
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log "tail of related logs..."
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tail ${3}${input}.log
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log "see more in ${3}${input}.log"
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cf="false"
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fi
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done
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if [[ $cf == "false" ]]; then
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return 1
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else
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return 0
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fi
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}
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