Files
bare-operating-system/packages/bare-os-coreutils/src/stat.js
T
2026-04-03 23:04:42 -04:00

107 lines
2.8 KiB
JavaScript

/**
* @param {Record<string, unknown>} st
* @param {string} displayPath
* @param {string} fmt
*/
function statApplyFormat(st, displayPath, fmt) {
let out = ''
for (let i = 0; i < fmt.length; i++) {
if (fmt[i] === '%' && i + 1 < fmt.length) {
const c = fmt[++i]
if (c === 'n') out += displayPath.split('/').pop() || displayPath
else if (c === 'N') out += displayPath
else if (c === 's') out += String(st.size ?? 0)
else if (c === 'Y')
out += String(
Math.floor(
(typeof st.mtimeMs === 'number' ? st.mtimeMs : Date.now()) / 1000
)
)
else if (c === 'A') out += bareFormatModeString(st.mode, st.type)
else if (c === 'U') out += String(st.user ?? '')
else if (c === 'G') out += String(st.group ?? '')
else if (c === 'u') out += String(st.uid ?? 0)
else if (c === 'g') out += String(st.gid ?? 0)
else if (c === 'F') {
const ty = st.type
if (ty === 'directory') out += 'directory'
else if (ty === 'symlink') out += 'symbolic link'
else out += 'regular file'
} else if (c === '%') out += '%'
else out += '%' + c
} else {
out += fmt[i]
}
}
return out
}
async function run(ctx, argv) {
/** @type {string | null} */
let formatStr = null
/** @type {string[]} */
const paths = []
for (let i = 1; i < argv.length; i++) {
const a = argv[i]
if (a === '-c' && argv[i + 1]) {
formatStr = argv[++i]
continue
}
if (a.startsWith('--format=')) {
formatStr = a.slice('--format='.length)
continue
}
if (a === '--format' && argv[i + 1]) {
formatStr = argv[++i]
continue
}
if (a.startsWith('-')) {
ctx.console.error('stat: unsupported option ' + a)
ctx.exitCode = 1
return
}
paths.push(a)
}
if (!paths.length) {
ctx.console.error('usage: stat [-c FORMAT | --format=FORMAT] FILE...')
ctx.exitCode = 1
return
}
for (const p of paths) {
try {
const st = await ctx.vfs.stat(p)
if (!st) {
ctx.console.error('stat: ' + p + ': No such file')
ctx.exitCode = 1
continue
}
if (formatStr != null) {
ctx.console.log(statApplyFormat(st, p, formatStr))
continue
}
const modeStr = bareFormatModeString(st.mode, st.type)
ctx.console.log(
'File: ' +
p +
'\n' +
'Size: ' +
(st.size || 0) +
'\n' +
'Type: ' +
st.type +
'\n' +
'Mode: ' +
modeStr +
'\n' +
'Uid: ' +
(st.uid ?? 0) +
' Gid: ' +
(st.gid ?? 0)
)
} catch (e) {
ctx.console.error('stat: ' + p + ': ' + ((e && e.message) || e))
ctx.exitCode = 1
}
}
}