MODULE Strtest;

MODULE Strtest;
FROM Terminal IMPORT WriteString,WriteLn,Write,Read;
FROM InOut IMPORT ReadCard,WriteCard;
FROM Strlib IMPORT Len,StringAdd,StringLeft,StringRight,InputString,
StringRemove,StringDelete,StringInsert,ShowString,StringPos,StringReplace,
StringChange,eos;

VAR
j,k : CARDINAL;
Str1, Str2, Str3 : ARRAY [0..79] OF CHAR;
chr : CHAR;

BEGIN
WriteString("Enter a String : "); InputString(Str1); WriteLn;
WriteString("Your string is "); WriteCard(Len(Str1),2);
WriteString(" characters long"); WriteLn;
WriteString("Append a string to the first one : "); InputString(Str2);
WriteLn; WriteLn;
StringAdd(Str1,Str2);
WriteString("The new string is:"); WriteLn;
ShowString(Str1); WriteLn;
WriteString("Enter first and last character to be deleted, by position ");
WriteLn;ReadCard(j);
WriteLn; ReadCard(k); WriteLn;
StringDelete(Str1,j,k); WriteLn;
WriteString("Your string is now "); WriteLn; ShowString(Str1); WriteLn;
WriteString("The last two characters are : "); StringRight(Str2,Str1,2);
ShowString(Str2); WriteLn;
WriteString("The first two characters are : "); StringLeft(Str2,Str1,2);
ShowString(Str2); WriteLn; WriteLn;
WriteString("Enter string to be removed : "); InputString(Str2); WriteLn;
StringRemove(Str1,Str2);
WriteString("Your string is now :"); WriteLn; ShowString(Str1); WriteLn;
WriteString("Enter string to be inserted "); InputString(Str2); WriteLn;
WriteString("Enter position of insertion "); WriteLn; ReadCard(j);
WriteLn;
StringInsert(Str1,Str2,j);
WriteString("Your string is now : "); ShowString(Str1); WriteLn;
WriteString("Enter string to be replaced "); InputString(Str2); WriteLn;
WriteString("Enter the replacing string "); InputString(Str3); WriteLn;
StringReplace(Str1,Str2,Str3);
WriteString("Your string is now : "); ShowString(Str1); WriteLn;

WriteLn; WriteLn; WriteString("----------End of Program------------");
WriteLn; WriteLn;
END Strtest.