Data update

This commit is contained in:
Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions

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IDENTIFICATION DIVISION.
PROGRAM-ID. CAESAR.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 MSG PIC X(50)
VALUE "The quick brown fox jumped over the lazy dog.".
01 OFFSET PIC 9(4) VALUE 7 USAGE BINARY.
01 FROM-CHARS PIC X(52).
01 TO-CHARS PIC X(52).
01 TABL.
02 PIC X(26) VALUE "abcdefghijklmnopqrstuvwxyz".
02 PIC X(26) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ".
02 PIC X(26) VALUE "abcdefghijklmnopqrstuvwxyz".
02 PIC X(26) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ".
PROCEDURE DIVISION.
BEGIN.
DISPLAY MSG
PERFORM ENCRYPT
DISPLAY MSG
PERFORM DECRYPT
DISPLAY MSG
STOP RUN.
ENCRYPT.
MOVE TABL (1:52) TO FROM-CHARS
MOVE TABL (1 + OFFSET:52) TO TO-CHARS
INSPECT MSG CONVERTING FROM-CHARS TO TO-CHARS.
DECRYPT.
MOVE TABL (1 + OFFSET:52) TO FROM-CHARS
MOVE TABL (1:52) TO TO-CHARS
INSPECT MSG CONVERTING FROM-CHARS TO TO-CHARS.
END PROGRAM CAESAR.

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>>SOURCE FORMAT IS FREE
IDENTIFICATION DIVISION.
PROGRAM-ID. caesar-cipher.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
REPOSITORY.
FUNCTION encrypt
FUNCTION decrypt.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 plaintext PIC X(50).
01 offset USAGE BINARY-CHAR.
01 encrypted-str PIC X(50).
PROCEDURE DIVISION.
DISPLAY "Enter a message to encrypt: " WITH NO ADVANCING
ACCEPT plaintext
DISPLAY "Enter the amount to shift by: " WITH NO ADVANCING
ACCEPT offset
MOVE encrypt(offset, plaintext) TO encrypted-str
DISPLAY "Encrypted: " encrypted-str
DISPLAY "Decrypted: " decrypt(offset, encrypted-str).
END PROGRAM caesar-cipher.
IDENTIFICATION DIVISION.
FUNCTION-ID. encrypt.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
REPOSITORY.
FUNCTION ALL INTRINSIC.
DATA DIVISION.
LOCAL-STORAGE SECTION.
01 i USAGE INDEX.
01 a USAGE BINARY-CHAR.
LINKAGE SECTION.
01 offset USAGE BINARY-CHAR.
01 str PIC X(50).
01 encrypted-str PIC X(50).
PROCEDURE DIVISION USING offset, str RETURNING encrypted-str.
PERFORM VARYING i FROM 1 BY 1 UNTIL i > LENGTH(str)
IF str(i:1) IS NOT ALPHABETIC OR str(i:1) = SPACE
MOVE str(i:1) TO encrypted-str(i:1)
EXIT PERFORM CYCLE
END-IF
IF str(i:1) IS ALPHABETIC-UPPER
MOVE ORD("A") TO a
ELSE
MOVE ORD("a") TO a
END-IF
MOVE CHAR(MOD(ORD(str(i:1)) - a + offset, 26) + a)
TO encrypted-str(i:1)
END-PERFORM
EXIT FUNCTION.
END FUNCTION encrypt.
IDENTIFICATION DIVISION.
FUNCTION-ID. decrypt.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
REPOSITORY.
FUNCTION encrypt.
DATA DIVISION.
LOCAL-STORAGE SECTION.
01 decrypt-offset USAGE BINARY-CHAR.
LINKAGE SECTION.
01 offset USAGE BINARY-CHAR.
01 str PIC X(50).
01 decrypted-str PIC X(50).
PROCEDURE DIVISION USING offset, str RETURNING decrypted-str.
SUBTRACT offset FROM 26 GIVING decrypt-offset
MOVE encrypt(decrypt-offset, str) TO decrypted-str
EXIT FUNCTION.
END FUNCTION decrypt.