JXA DoShellScript

DoShell.js

const DoShell = (()=>{
    
    const app = Application.currentApplication()
    app.includeStandardAdditions = true
    
    function doShell(script, opt={}) {
        return app.doShellScript(script, {
            administratorPrivileges: !!opt.withPrompt,
            withPrompt: opt.withPrompt || '',
            alteringLineEndings: opt.alteringLineEndings || false
        }).replace(/\n$/,'')
    }
    
    function sh(script, opt={}) {
        try { return doShell(script,opt) } catch(e) {
            return ''
        }
    }
    
    function test(arg) {
        try { return !!doShell(`test ${arg}`) } catch(e) {
            return false
        }
    }
    
    return {
        doShell: doShell,
        sh: sh,
        test: test,
    }
    
})()