15 lines
3.6 KiB
JavaScript
15 lines
3.6 KiB
JavaScript
import{createRequire} from"node:module";const require=createRequire(import.meta.url);
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import{a as c,b as u,c as d}from"./chunk-QAYAQNCG.js";var p={name:"strings",summary:"print the sequences of printable characters in files",usage:"strings [OPTION]... [FILE]...",description:"For each FILE, print the printable character sequences that are at least MIN characters long. If no FILE is specified, standard input is read.",options:["-n MIN Print sequences of at least MIN characters (default: 4)","-t FORMAT Print offset before each string (o=octal, x=hex, d=decimal)","-a Scan the entire file (default behavior)","-e ENCODING Select character encoding (s=7-bit, S=8-bit)"],examples:["strings file.bin # Extract strings (min 4 chars)","strings -n 8 file.bin # Extract strings (min 8 chars)","strings -t x file.bin # Show hex offset","echo 'hello' | strings # Read from stdin"]};function x(n){return n>=32&&n<=126||n===9}function g(n,s){if(s===null)return"";switch(s){case"o":return`${n.toString(8).padStart(7," ")} `;case"x":return`${n.toString(16).padStart(7," ")} `;case"d":return`${n.toString(10).padStart(7," ")} `;default:return s}}function h(n,s){let o=[],r="",i=0,a=typeof n=="string"?new TextEncoder().encode(n):n;for(let l=0;l<a.length;l++){let t=a[l];if(x(t))r.length===0&&(i=l),r+=String.fromCharCode(t);else{if(r.length>=s.minLength){let e=g(i,s.offsetFormat);o.push(`${e}${r}`)}r=""}}if(r.length>=s.minLength){let l=g(i,s.offsetFormat);o.push(`${l}${r}`)}return o}var v={name:"strings",execute:async(n,s)=>{if(u(n))return c(p);let o={minLength:4,offsetFormat:null},r=[],i=0;for(;i<n.length;){let t=n[i];if(t==="-n"&&i+1<n.length){let e=Number.parseInt(n[i+1],10);if(Number.isNaN(e)||e<1)return{exitCode:1,stdout:"",stderr:`strings: invalid minimum string length: '${n[i+1]}'
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`};o.minLength=e,i+=2}else if(t.match(/^-n\d+$/)){let e=Number.parseInt(t.slice(2),10);if(Number.isNaN(e)||e<1)return{exitCode:1,stdout:"",stderr:`strings: invalid minimum string length: '${t.slice(2)}'
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`};o.minLength=e,i++}else if(t.match(/^-\d+$/)){let e=Number.parseInt(t.slice(1),10);if(Number.isNaN(e)||e<1)return{exitCode:1,stdout:"",stderr:`strings: invalid minimum string length: '${t.slice(1)}'
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`};o.minLength=e,i++}else if(t==="-t"&&i+1<n.length){let e=n[i+1];if(e!=="o"&&e!=="x"&&e!=="d")return{exitCode:1,stdout:"",stderr:`strings: invalid radix: '${e}'
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`};o.offsetFormat=e,i+=2}else if(t.startsWith("-t")&&t.length===3){let e=t[2];if(e!=="o"&&e!=="x"&&e!=="d")return{exitCode:1,stdout:"",stderr:`strings: invalid radix: '${e}'
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`};o.offsetFormat=e,i++}else if(t==="-a"||t==="--all"||t==="-")t==="-"&&r.push(t),i++;else if(t==="-e"&&i+1<n.length){let e=n[i+1];if(e!=="s"&&e!=="S")return{exitCode:1,stdout:"",stderr:`strings: invalid encoding: '${e}'
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`};i+=2}else if(t.startsWith("-e")&&t.length===3){let e=t[2];if(e!=="s"&&e!=="S")return{exitCode:1,stdout:"",stderr:`strings: invalid encoding: '${e}'
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`};i++}else if(t==="--"){r.push(...n.slice(i+1));break}else{if(t.startsWith("-")&&t!=="-")return d("strings",t);r.push(t),i++}}let a="",l=()=>Uint8Array.from(s.stdin??"",t=>t.charCodeAt(0));if(r.length===0){let t=h(l(),o);a=t.length>0?`${t.join(`
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`)}
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`:""}else for(let t of r){let e;if(t==="-")e=l();else{let m=s.fs.resolvePath(s.cwd,t);try{e=await s.fs.readFileBuffer(m)}catch{return{exitCode:1,stdout:a,stderr:`strings: ${t}: No such file or directory
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`}}}let f=h(e,o);f.length>0&&(a+=`${f.join(`
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`)}
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`)}return{exitCode:0,stdout:a,stderr:""}}},F={name:"strings",flags:[{flag:"-n",type:"value",valueHint:"number"},{flag:"-t",type:"value",valueHint:"string"},{flag:"-a",type:"boolean"},{flag:"-e",type:"value",valueHint:"string"}],stdinType:"text",needsFiles:!0};export{v as a,F as b};
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