41 lines
1.2 KiB
JSON
41 lines
1.2 KiB
JSON
{
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"name": "xargs",
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"section": 1,
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"title": "construct argument lists and invoke utility",
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"synopsis": [
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"xargs [-0] [-n maxargs] [--] [utility [argument ...]]"
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],
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"description": "Reads stdin, splits into words (or null-terminated records with -0), and invokes the utility via ctx.runBinCommand in batches. Enforces fixed limits on stdin size, token count, arguments per run, and total invocations.",
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"options": [
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{
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"flag": "-0, --null",
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"meaning": "Input items are separated by null bytes instead of whitespace"
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},
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{
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"flag": "-n maxargs, --max-args maxargs",
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"meaning": "Use at most maxargs arguments from stdin per utility invocation (capped at 128)"
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}
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],
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"keywords": [
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"xargs",
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"arguments",
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"bare-os",
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"coreutils"
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],
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"bareOsNotes": "No host fork; subset of POSIX/GNU xargs. See src/xargs.js for numeric limits.",
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"examples": [
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{
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"caption": "pass lines as arguments",
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"code": "printf 'a\\nb\\n' | xargs echo"
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},
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{
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"caption": "one argument per run",
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"code": "printf 'a\\nb\\n' | xargs -n1 echo"
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},
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{
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"caption": "workaround for complex scripts",
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"code": "# for f in *.txt; do grep -l foo $f; done"
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}
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]
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}
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