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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int charpos(const char character, const char *char_set)
{
int counter;
int length = strlen(char_set);
for (counter = 0; counter<length; counter++){
if (char_set[counter] == character){
printf("%s\n", "character found in char_set" );
return counter;
}
}
printf("%s\n", "character not found in char_set");
return -1;
}
char *interpret_set(const char *input_set)
{
int counter;
int length = strlen(input_set);
char output[100];
for(counter = 0; counter<length; counter++){
printf("%c\n", input_set[counter]);
if(input_set[counter] == '\134'){
//printf("%s\n", "true");
switch (input_set[counter+1]) {
case 92:
output[counter] = '\134';
printf("%s\n", "Assigned a double escape.");
break;
case 110:
output[counter] = '\012';
printf("%s\n", "Assigned a new line.");
break;
case 114:
output[counter] = '\015';
printf("%s\n", "Assigned a carrage return.");
break;
case 116:
output[counter] = '\011';
printf("%s\n", "Assigned a tab.");
break;
default:
printf("%s\n", "This escape sequence is not supported.");
break;
}
} else {
output[counter] = input_set[counter];
//printf("%s\n", "false");
}
}
return 0;
}
int main(int argc, char *argv[])
{
if (argc > 3) {
printf("You entered too many arguements, please submit mytr in this format. \n Usage: mytr [-d] SET1 [SET2]");
} else if(argc < 3) {
printf("You entered too few arguements, please submit mytr in this format. \n Usage: mytr [-d] SET1 [SET2]");
} else {
interpret_set(argv[1]);
charpos('r', argv[1]);
}
return -1;
}
Results:
Executing the program....
$demo test\thello\\rwill\\n test
t
false
e
false
s
false
t
false
t
false
h
false
e
false
l
false
l
false
o
false
\
true
Assigned a carrage return.
r
false
w
false
i
false
l
false
l
false
\
true
Assigned a new line.
n
false
character found in char_set
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