AmigaAssign/bash_assigncmd at master · TheBeef/AmigaAssign · GitHub

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#!/bin/bash

if [ -e ~/.bash_assigned_vars ]
then
    source ~/.bash_assigned_vars
fi

assign()
{
    VarName=$1
    Path=$2

    if [ "$VarName" == "" ]
    then
        # list all assign's
        echo "Assigned var's:"
        if [ -e ~/.bash_assigned_vars ]
        then
            sed "s/^export set \"\(.*\)\"=\(.*$\)/   \1=\2/" <~/.bash_assigned_vars
        fi

        # Reload all assigned vars
        source ~/.bash_assigned_vars
        return
    fi
    if [ "$VarName" == "--help" ]
    then
        echo "Usage:"
        echo "assign [OPTIONS] var [path]"
        echo ""
        echo "Options:"
        echo "   -d -- Delete assignment"
        return
    fi

    # Convert this into a delete command
    if [ "$Path" == "" ]
    then
        Path=$VarName
        VarName="-d"
    fi

    if [ "$VarName" == "-d" ]
    then
        if [ "$Path" == "" ]
        then
            echo "Missing arg"
            return
        fi
        # Remove this assign from the permanent list
        if [ -e ~/.bash_assigned_vars ]
        then
            sed "/^export set \"$Path\"/d" <~/.bash_assigned_vars >~/.bash_assigned_vars_tmp
            mv ~/.bash_assigned_vars_tmp ~/.bash_assigned_vars
        fi
        unset "$Path"
        return
    fi

    # Take this path and make it an abs path
    UsePath=$(readlink -f "$Path")

    # Remove the old one (if any)
    if [ -e ~/.bash_assigned_vars ]
    then
        sed "/^export set \"$VarName\"/d" <~/.bash_assigned_vars >~/.bash_assigned_vars_tmp
        mv ~/.bash_assigned_vars_tmp ~/.bash_assigned_vars
    fi

    # Add the new one
    echo >>~/.bash_assigned_vars "export set \"$VarName\"=$UsePath"

    export set "$VarName"=$UsePath
}