17 lines
281 B
Plaintext
17 lines
281 B
Plaintext
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#!/bin/sh
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[ $# -eq 1 ] && echo "usage: $0 command ..." && exit 64
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tmp1=$(mktemp $0.XXXXXXXXXX)
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tmp2=$(mktemp $0.XXXXXXXXXX)
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trap "rm $tmp1 $tmp2; exit 0" 1 2 15
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while "$@" >$tmp2
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do
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if ! diff $tmp1 $tmp2
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then
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cp $tmp2 $tmp1
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else
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echo -n "."
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fi
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sleep 2
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done
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rm $tmp1 $tmp2
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