bare-operating-system/packages/bare-os-coreutils/src/procstat.js

async function run(ctx, argv) {
  void argv
  let buf = null
  try {
    buf = await ctx.vfs.readFile('/proc/bare_os/process_table.json')
  } catch {
    buf = null
  }
  if (!buf) {
    ctx.console.error('procstat: process table unavailable')
    ctx.exitCode = 1
    return
  }
  let table
  try {
    table = JSON.parse(ctx.b4a.toString(buf))
  } catch {
    ctx.console.error('procstat: invalid process table payload')
    ctx.exitCode = 1
    return
  }
  const rows = Array.isArray(table.processes) ? table.processes : []
  const emptyHint =
    rows.length === 0
      ? 'process table is empty (provider may be unavailable or no tracked processes)'
      : null
  ctx.console.log(
    JSON.stringify(
      {
        schema: 1,
        atMs: Date.now(),
        processCount: rows.length,
        sourcePath: '/proc/bare_os/process_table.json',
        hint: emptyHint,
        processes: rows
      },
      null,
      2
    )
  )
}