head 1.1; branch 1.1.1; access; symbols perseant-exfatfs:1.1.1.1.0.2 perseant-exfatfs-base-20261102:1.1.1.1 FILE5_48:1.1.1.1 CHRISTOS:1.1.1; locks; strict; comment @# @; 1.1 date 2026.06.10.15.59.14; author christos; state Exp; branches 1.1.1.1; next ; commitid 3UWc0DrzTz7bHgJG; 1.1.1.1 date 2026.06.10.15.59.14; author christos; state Exp; branches 1.1.1.1.2.1; next ; commitid 3UWc0DrzTz7bHgJG; 1.1.1.1.2.1 date 2026.06.10.15.59.14; author perseant; state dead; branches; next 1.1.1.1.2.2; commitid 3QTNojfCEH9lUb2H; 1.1.1.1.2.2 date 2026.11.04.22.37.44; author perseant; state Exp; branches; next ; commitid 3QTNojfCEH9lUb2H; desc @@ 1.1 log @Initial revision @ text @ #------------------------------------------------------------------------------ # $File: r,v 1.1 2025/02/10 17:48:42 christos Exp $ # file(1) magic for R's RDS and RData file formats # Copyright (C) 2025 Gert Hulselmans # # URLS: # https://cran.r-project.org/doc/manuals/r-release/R-ints.html#Serialization-Formats # https://rdata.readthedocs.io/en/latest/_modules/rdata/parser/_parser.html # # Example files: # https://github.com/vnmabus/rdata/tree/develop/rdata/tests/data # ############################################################################### ############################################################################### # RDS format ############################################################################### 0 name RDS # Check for RDS ASCII formats. >0 string A\n2\n R RDS (ASCII format v2) >0 string A\n3\n R RDS (ASCII format v3) >0 string A\r\n2\r\n R RDS (ASCII CRLF format v2) >0 string A\r\n3\r\n R RDS (ASCII CRLF format v3) # Check for RDS binary formats with native word order. >0 string B\n\0\0\0 R RDS (Native (big-endian) word order format >>0 use RDS_binary_version_info >0 string B\n\2\0\0 R RDS (Native (little-endian) word order format >>0 use ^RDS_binary_version_info >0 string B\n\3\0\0 R RDS (Native (little-endian) word order format >>0 use ^RDS_binary_version_info # Check for RDS XDR binary save format. >0 string X\n\0\0\0 R RDS (XDR binary save format >>0 use RDS_binary_version_info # Parse version numbers from RDS if it was one of the binary versions. 0 name RDS_binary_version_info >2 belong >-1 v%d) >6 beshort >-1 \b, written by R v%d. >8 byte >-1 \b%d. >9 byte >-1 \b%d >10 beshort >-1 \b, readable from R v%d. >12 byte >-1 \b%d. >13 byte >-1 \b%d >2 belong >2 >>14 pstring/L x \b, %s encoded # Check if file is one of the RDS ASCII formats. 0 string A >0 use RDS not_printed !:ext rds # Check if file is RDS binary native format. 0 string B >0 use RDS not_printed !:ext rds # Check if file is RDS XDR binary save format. 0 string X >0 use RDS not_printed !:ext rds ############################################################################### # RData file formats: magic bytes followed by RDS container. ############################################################################### 0 string RDA2\n R RData version 2 (ASCII), !:ext rda/rdata >5 use RDS 0 string RDA3\n R RData version 3 (ASCII), !:ext rda/rdata >5 use RDS 0 string RDX2\n R RData version 2 (binary), !:ext rda/rdata >5 use RDS 0 string RDX3\n R RData version 3 (binary), !:ext rda/rdata >5 use RDS @ 1.1.1.1 log @Import file-5.48 (previous was file-5.45) 2026-05-07 11:32 Christos Zoulas * release 5.48 2026-05-11 15:55 Christos Zoulas * add landlock support (valoq) 2026-04-19 15:55 Christos Zoulas * add BE/LE GUID 2026-04-17 11:05 Christos Zoulas * multiple fixes to prevent integer overflow in 32 bits (kerwin) 2026-04-15 12:40 Christos Zoulas * PR/745: streamout: Don't flush when trying to set negative offsets on pipes, just continue, fixes 'cat file.zip | file -' * PR/753: vmihalko: Fix race is magic_getpath() 2026-03-11 15:14 Christos Zoulas * PR/728: Anton Monroe: Reinstate regex/c 2026-02-26 11:32 Christos Zoulas * release 5.47 2026-02-04 09:54 Christos Zoulas * Better multi-compound document identification by following the order of the directories entries. (Thomas Ledoux) 2026-01-19 14:00 Christos Zoulas * if stat fails, don't attempt to restore times (Steven Grubb) 2025-05-28 15:20 Christos Zoulas * PR/622: Odd_Bloke: Handle negative offsets in file_buffer(), when fd is not available. 2025-05-28 12:50 Christos Zoulas * PR/655: jsummers: Obey str_flags in strings like we do for search and regex * PR/659: Pitzl: Apply MAGIC_CONTINUE to annotations; i.e. print only the first, unless -k is specified. 2024-12-19 14:44 Christos Zoulas * PR/592: allow + in format strings * PR/592: signed operations should be done in signed context 2024-12-05 13:50 Christos Zoulas * PR/578: jsummers: Don't crash on cygwin when tm_mon == -1 * PR/579: net147: Fix stack overrun. 2024-11-27 14:44 Christos Zoulas * release 5.46 * Add OFFPOSITIVE 2024-11-25 13:56 Christos Zoulas * avoid leaking symbols in libmagic 2024-11-10 13:56 Christos Zoulas * PR/562: jsummers: Search/regex offsets are absolute to the beginning of the file, so adjust them by subtracting the offset that the "use" starts so that we don't double-count it. 2024-11-09 19:30 Christos Zoulas * PR/543: matshch: bump nbuf so we can get the flags into the buffer. 2024-11-02 14:34 Christos Zoulas * Add Android elf notes (enh) 2023-12-29 12:55 Christos Zoulas * Add limit for number of magic warnings allowed 2023-07-29 12:55 Christos Zoulas * check regex bounds (found by clusterfuzz) @ text @@ 1.1.1.1.2.1 log @file r was added on branch perseant-exfatfs on 2026-11-04 22:37:44 +0000 @ text @d1 86 @ 1.1.1.1.2.2 log @Sync with HEAD @ text @a0 86 #------------------------------------------------------------------------------ # $File: r,v 1.1 2025/02/10 17:48:42 christos Exp $ # file(1) magic for R's RDS and RData file formats # Copyright (C) 2025 Gert Hulselmans # # URLS: # https://cran.r-project.org/doc/manuals/r-release/R-ints.html#Serialization-Formats # https://rdata.readthedocs.io/en/latest/_modules/rdata/parser/_parser.html # # Example files: # https://github.com/vnmabus/rdata/tree/develop/rdata/tests/data # ############################################################################### ############################################################################### # RDS format ############################################################################### 0 name RDS # Check for RDS ASCII formats. >0 string A\n2\n R RDS (ASCII format v2) >0 string A\n3\n R RDS (ASCII format v3) >0 string A\r\n2\r\n R RDS (ASCII CRLF format v2) >0 string A\r\n3\r\n R RDS (ASCII CRLF format v3) # Check for RDS binary formats with native word order. >0 string B\n\0\0\0 R RDS (Native (big-endian) word order format >>0 use RDS_binary_version_info >0 string B\n\2\0\0 R RDS (Native (little-endian) word order format >>0 use ^RDS_binary_version_info >0 string B\n\3\0\0 R RDS (Native (little-endian) word order format >>0 use ^RDS_binary_version_info # Check for RDS XDR binary save format. >0 string X\n\0\0\0 R RDS (XDR binary save format >>0 use RDS_binary_version_info # Parse version numbers from RDS if it was one of the binary versions. 0 name RDS_binary_version_info >2 belong >-1 v%d) >6 beshort >-1 \b, written by R v%d. >8 byte >-1 \b%d. >9 byte >-1 \b%d >10 beshort >-1 \b, readable from R v%d. >12 byte >-1 \b%d. >13 byte >-1 \b%d >2 belong >2 >>14 pstring/L x \b, %s encoded # Check if file is one of the RDS ASCII formats. 0 string A >0 use RDS not_printed !:ext rds # Check if file is RDS binary native format. 0 string B >0 use RDS not_printed !:ext rds # Check if file is RDS XDR binary save format. 0 string X >0 use RDS not_printed !:ext rds ############################################################################### # RData file formats: magic bytes followed by RDS container. ############################################################################### 0 string RDA2\n R RData version 2 (ASCII), !:ext rda/rdata >5 use RDS 0 string RDA3\n R RData version 3 (ASCII), !:ext rda/rdata >5 use RDS 0 string RDX2\n R RData version 2 (binary), !:ext rda/rdata >5 use RDS 0 string RDX3\n R RData version 3 (binary), !:ext rda/rdata >5 use RDS @