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55 lines
1.5 KiB
Bash
55 lines
1.5 KiB
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: 2019-10-11 12:15:47 +0100 (Fri, 11 Oct 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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# Prints files without comments
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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usage(){
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echo "usage: ${##*/} <files>"
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exit 3
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}
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for arg; do
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case "$arg" in
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-*) usage
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;;
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esac
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done
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stdin=""
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if [ $# -eq 0 ]; then
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# slurping is not memory efficient, not suitable for large files, but is the only way to be able to
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# backtracking testing heads for type of decommenting and still retain full data for processing
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stdin="$(cat)"
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fi
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if [ "$(head -n1 "$@" <<< "$stdin" | cut -c 1)" = "<" ]; then
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if type -P decomment-xml.pl &>/dev/null; then
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decomment-xml.pl "$@" <<< "$stdin"
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else
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echo "ERROR: decomment-xml.pl from DevOps Perl Tools repo not found in \$PATH - ensure you have downloaded and built it before running this against XML files" >&2
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exit 1
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fi
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elif [ "$(head -n1 "$@" <<< "$stdin" | cut -f 1-2)" = "--" ]; then
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sed 's/--.*$//; /^[[:space:]]*$/d' "$@" <<< "$stdin"
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else
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sed 's/#.*$//;
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s/^[[:space:]]*\/\/.*$//;
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s/[[:space:]]\/\/.*$//;
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/^[[:space:]]*$/d' "$@" <<< "$stdin"
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fi
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