28 lines
664 B
Bash
28 lines
664 B
Bash
#!/bin/bash
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# set -x
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source ./log_helpers
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exec_process_substitution () {
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local func="${FUNCNAME[0]}"
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log_debug "$func:${LINENO} exec-ing [$*]"
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exec {fd}< <(eval "$@")
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local ps_pid=$! # remember pid of process substitution
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local __result=""
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while read __tmp <&$fd; do
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if ! [ -z "$__tmp" ]; then
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__result="${__result}$__tmp"
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fi
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done
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exec {fd}>&- # close fd (i.e. process substitution)
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wait $ps_pid # wait for the subshell to finish
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__result=${__result//[$'\r\n\t']/ } # remove \r\n\t from __result
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log_debug "$func:${LINENO} result=$__result"
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printf '%s' $__result
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}
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