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52 lines
1002 B
Bash
52 lines
1002 B
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2019-02-27 10:11:25 +0000 (Wed, 27 Feb 2019)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# Script to find duplicate lines across files
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(dirname "$0")"
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# shellcheck disable=SC1090
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034
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usage_args="<files>"
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for x in "$@"; do
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case "$x" in
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-h|--help) usage
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;;
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esac
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done
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found=0
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while read -r line; do
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grep -Fx "$line" "$@"
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((found + 1))
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done < <(
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sed 's/#.*//;
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s/^[[:space:]]*//;
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s/[[:space:]]*$//;
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/^[[:space:]]*$/d;' "$@" |
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sort |
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uniq -d
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)
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if [ $found -gt 0 ]; then
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exit 1
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fi
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