% Save file as: PUTBACK.C Source:
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#include <stdio.h>
main(argc,argv)
int argc,*argv[];
{char ch;
int check,check1;
FILE *fp1,*fp2,*fp3,*fopen();
if(argc<4)
{printf("useage: putback inputfile spellcheckedfile outputfile");
exit(1);
}
check1=0;
fp1=fopen(argv[1],"r");
fp2=fopen(argv[2],"r");
fp3=fopen(argv[3],"w");
if(fp1==NULL){printf("putback:input file not found");exit(1);}
if(fp2==NULL){printf("putback:spell-checked file not found");exit(1);}
if(fp3==NULL){printf("putback:output file cannot be created");exit(1);}
for(ch=fgetc(fp2);ch!=EOF;ch=fgetc(fp2))
{
switch(ch)
{case '\\':
fputc(ch,fp3);
check=1;
if(check1!=1)
for(ch=fgetc(fp1);ch!='\\';ch=fgetc(fp1));
else
check1=0;
while(check!=0)
{ch=fgetc(fp1);
switch(ch)
{case ' ':check=0; break;
case '{':check=0; break;
case '\n':check=0;break;
case '\t':check=0;break;
case '\\':check=0;check1=1;break;
case EOF:break;
default :fputc(ch,fp3);
}
}
break;
default:fputc(ch,fp3);
}
}
}
