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52 lines
963 B
C
52 lines
963 B
C
/*
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* FILE : cat.c
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* NATIVE NAME: tcat "tappak's cat" :)
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* AUTHOR : Semyon Novikov (tappak)
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* PROJECT : ReactOS Operating System
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* DESCRIPTION: file concatenation tool
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* DATE : 2004-01-21
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* LICENSE : GPL
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*/
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#include <stdio.h>
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#include <string.h>
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#define F_O_ERR "can not open file"
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void help(void)
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{
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puts("File concatenation tool");
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puts("Usage: cat [file]");
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}
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int main(int argc, char *argv[])
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{
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FILE *srcf;
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char *keys[]={"--help","/help"};
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int i=0,ret=0;
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switch(argc)
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{
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case 1:puts("Usage: cat [file]");break;
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case 2:
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if ((!strcmp(argv[1],keys[0]))||(!strcmp(argv[1],keys[1])))
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help();
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else
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{
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if((srcf=fopen(argv[1],"r"))!=NULL)
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{
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while(i!=EOF)
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{ i=fgetc(srcf);
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putchar(i);
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}
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fclose(srcf);
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}
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else
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{
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printf("%s %s %s\n",argv[0],F_O_ERR,argv[1]);
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ret=-1;
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}
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}
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break;
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}
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return ret;
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}
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