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#!/bin/bash
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# Should not be executable, only sourced by other scripts
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command_exists() { command -v ${1} >/dev/null; }
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source_if_exists() { [ -f "$1" ] && source $1; }
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append_path () {
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case ":$PATH:" in
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*:"$1":*)
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;;
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*)
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PATH="${PATH:+$PATH:}$1"
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esac
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}
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