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DevOps-Bash-tools/java/bytecode_viewer.sh

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2024-08-28 21:02:58 +0200 (Wed, 28 Aug 2024)
#
# https///github.com/HariSekhon/DevOps-Bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# 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
#
# https://www.linkedin.com/in/HariSekhon
#
set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/utils.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Wrapper to download and run the Bytecode-Viewer command line java decompiler
Examples:
${0##*/} Main.class
${0##*/} myapp.jar
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="<jar_or_java.class>"
# let see the help from tool instead
#help_usage "$@"
min_args 1 "$@"
bytecode_viewer_jar="$srcdir/Bytecode-Viewer.jar"
if ! [ -f "$bytecode_viewer_jar" ]; then
pushd "$srcdir"
../install/download_bytecode_viewer_jar.sh
timestamp
echo -n "Symlinking: " >&2
ln -sv Bytecode-Viewer-*.jar "${bytecode_viewer_jar##*/}"
popd
fi
java -jar "$bytecode_viewer_jar" "$@"