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10 lines
254 B
Bash
10 lines
254 B
Bash
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#!/bin/bash
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cut -f3 -d":" /etc/group | sort -n | uniq -c | while read x ; do
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[ -z "$x" ] && break
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set - $x
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if [ $1 -gt 1 ]; then
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groups=$(awk -F: '($3 == n) { print $1 }' n=$2 /etc/group | xargs)
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echo "Duplicate GID ($2): $groups"
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fi
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done
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