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34 lines
671 B
Bash
Executable File
34 lines
671 B
Bash
Executable File
#!/usr/bin/env bash
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#
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# Add a directory to the front of the PATH if it exists and is not already there
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# Usage: x-path-prepend <dir>
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# Set verbosity with VERBOSE=1
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VERBOSE="${VERBOSE:-0}"
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# Function to print messages if VERBOSE is enabled
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# $1 - message (string)
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msg()
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{
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[[ "$VERBOSE" -eq 1 ]] && echo "$1"
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}
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if [ "$#" -ne 1 ]; then
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echo "Usage: $0 <dir>"
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exit 1
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fi
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dir="$1"
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if [ ! -d "$dir" ]; then
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msg "(?) Directory $dir does not exist"
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exit 0
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fi
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if echo "$PATH" | grep -qE "(^|:)$dir($|:)"; then
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msg "(!) Directory $dir is already in PATH"
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else
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export PATH="$dir${PATH:+":$PATH"}"
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msg "(!) Directory $dir has been added to the front of PATH"
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fi
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