my dotz
add witness for watching
author
Jes Olson
date
(Feb 28, 2023, 11:18 AM -0800)
commit
c55c7e8a
c55c7e8ad4225f94aa4c155848231d03a661785c
parent
5f09e7da
5f09e7daf0b61e015eae5e0f402d75bbdf76adf9
+23
+23
bin/witness
+23
bin/witness
···
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#!/bin/sh
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#
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# witness - watch a file for changes & run a command
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file="$1"
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shift
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command="$@"
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get_access_time() {
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stat -c %Z "$1"
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}
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ltime="$(get_access_time "$file")"
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while true; do
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atime="$(get_access_time "$file")"
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if [ "$atime" != "$ltime" ]; then
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printf "witness: '%s' changed, running '%s'\n" "$file" "$command"
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$command
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ltime="$atime"
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fi
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sleep 0.5
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done