/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % IIIII DDDD EEEEE N N TTTTT IIIII FFFFF Y Y % % I D D E NN N T I F Y Y % % I D D EEE N N N T I FFF Y % % I D D E N NN T I F Y % % IIIII DDDD EEEEE N N T IIIII F Y % % % % % % Identify an Image Format and Characteristics. % % % % Software Design % % Cristy % % September 1994 % % % % % % Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % https://imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % The identify program describes the format and characteristics of one or more % image files. It also reports if an image is incomplete or corrupt. The % information returned includes the image number, the file name, the width and % height of the image, whether the image is colormapped or not, the number of % colors in the image, the number of bytes in the image, the format of the % image (JPEG, PNM, etc.), and finally the number of seconds it took to read % and process the image. Many more attributes are available with the verbose % option. % */ /* Include declarations. */ #include "wand/studio.h" #include "wand/MagickWand.h" #include "wand/mogrify-private.h" #include "magick/string-private.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + I d e n t i f y I m a g e C o m m a n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IdentifyImageCommand() describes the format and characteristics of one or % more image files. It will also report if an image is incomplete or corrupt. % The information displayed includes the scene number, the file name, the % width and height of the image, whether the image is colormapped or not, % the number of colors in the image, the number of bytes in the image, the % format of the image (JPEG, PNM, etc.), and finally the number of seconds % it took to read and process the image. % % The format of the IdentifyImageCommand method is: % % MagickBooleanType IdentifyImageCommand(ImageInfo *image_info,int argc, % char **argv,char **metadata,ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o argc: the number of elements in the argument vector. % % o argv: A text array containing the command line arguments. % % o metadata: any metadata is returned here. % % o exception: return any errors or warnings in this structure. % */ static MagickBooleanType IdentifyUsage(void) { static const char miscellaneous[] = " -debug events display copious debugging information\n" " -help print program options\n" " -list type print a list of supported option arguments\n" " -log format format of debugging information\n" " -version print version information", operators[] = " -grayscale method convert image to grayscale\n" " -negate replace every pixel with its complementary color", settings[] = " -alpha option on, activate, off, deactivate, set, opaque, copy\n" " transparent, extract, background, or shape\n" " -antialias remove pixel-aliasing\n" " -authenticate password\n" " decipher image with this password\n" " -channel type apply option to select image channels\n" " -clip clip along the first path from the 8BIM profile\n" " -clip-mask filename associate a clip mask with the image\n" " -clip-path id clip along a named path from the 8BIM profile\n" " -colorspace type alternate image colorspace\n" " -crop geometry cut out a rectangular region of the image\n" " -define format:option\n" " define one or more image format options\n" " -density geometry horizontal and vertical density of the image\n" " -depth value image depth\n" " -endian type endianness (MSB or LSB) of the image\n" " -extract geometry extract area from image\n" " -features distance analyze image features (e.g. contrast, correlation)\n" " -format \"string\" output formatted image characteristics\n" " -fuzz distance colors within this distance are considered equal\n" " -gamma value of gamma correction\n" " -interlace type type of image interlacing scheme\n" " -interpolate method pixel color interpolation method\n" " -limit type value pixel cache resource limit\n" " -list type Color, Configure, Delegate, Format, Magic, Module,\n" " Resource, or Type\n" " -mask filename associate a mask with the image\n" " -matte store matte channel if the image has one\n" " -moments report image moments\n" " -format \"string\" output formatted image characteristics\n" " -monitor monitor progress\n" " -ping efficiently determine image attributes\n" " -precision value maximum number of significant digits to print\n" " -quiet suppress all warning messages\n" " -regard-warnings pay attention to warning messages\n" " -respect-parentheses settings remain in effect until parenthesis boundary\n" " -sampling-factor geometry\n" " horizontal and vertical sampling factor\n" " -seed value seed a new sequence of pseudo-random numbers\n" " -set attribute value set an image attribute\n" " -size geometry width and height of image\n" " -strip strip image of all profiles and comments\n" " -unique display the number of unique colors in the image\n" " -units type the units of image resolution\n" " -verbose print detailed information about the image\n" " -virtual-pixel method\n" " virtual pixel access method"; ListMagickVersion(stdout); (void) printf("Usage: %s [options ...] file [ [options ...] " "file ... ]\n",GetClientName()); (void) printf("\nImage Settings:\n"); (void) puts(settings); (void) printf("\nImage Operators:\n"); (void) puts(operators); (void) printf("\nMiscellaneous Options:\n"); (void) puts(miscellaneous); (void) printf( "\nBy default, the image format of `file' is determined by its magic\n"); (void) printf( "number. To specify a particular image format, precede the filename\n"); (void) printf( "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) printf( "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) printf("'-' for standard input or output.\n"); return(MagickTrue); } WandExport MagickBooleanType IdentifyImageCommand(ImageInfo *image_info, int argc,char **argv,char **metadata,ExceptionInfo *exception) { #define DestroyIdentify() \ { \ DestroyImageStack(); \ for (i=0; i < (ssize_t) argc; i++) \ argv[i]=DestroyString(argv[i]); \ argv=(char **) RelinquishMagickMemory(argv); \ } #define ThrowIdentifyException(asperity,tag,option) \ { \ (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", \ option); \ DestroyIdentify(); \ return(MagickFalse); \ } #define ThrowIdentifyInvalidArgumentException(option,argument) \ { \ (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \ "InvalidArgument","`%s': %s",option,argument); \ DestroyIdentify(); \ return(MagickFalse); \ } const char *format, *option; Image *image; ImageStack image_stack[MaxImageStackDepth+1]; MagickBooleanType fire, pend, respect_parenthesis; MagickStatusType status; ssize_t i; size_t count; ssize_t j, k; /* Set defaults. */ assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(exception != (ExceptionInfo *) NULL); if (argc == 2) { option=argv[1]; if ((LocaleCompare("version",option+1) == 0) || (LocaleCompare("-version",option+1) == 0)) { ListMagickVersion(stdout); return(MagickTrue); } } if (argc < 2) return(IdentifyUsage()); count=0; format=NULL; j=1; k=0; NewImageStack(); option=(char *) NULL; pend=MagickFalse; respect_parenthesis=MagickFalse; status=MagickTrue; /* Identify an image. */ ReadCommandlLine(argc,&argv); status=ExpandFilenames(&argc,&argv); if (status == MagickFalse) ThrowIdentifyException(ResourceLimitError,"MemoryAllocationFailed", GetExceptionMessage(errno)); image_info->ping=MagickTrue; for (i=1; i < (ssize_t) argc; i++) { option=argv[i]; if (LocaleCompare(option,"(") == 0) { FireImageStack(MagickFalse,MagickTrue,pend); if (k == MaxImageStackDepth) ThrowIdentifyException(OptionError,"ParenthesisNestedTooDeeply", option); PushImageStack(); continue; } if (LocaleCompare(option,")") == 0) { FireImageStack(MagickFalse,MagickTrue,MagickTrue); if (k == 0) ThrowIdentifyException(OptionError,"UnableToParseExpression",option); PopImageStack(); continue; } if (IsCommandOption(option) == MagickFalse) { char *filename; Image *images; ImageInfo *identify_info; /* Read input image. */ FireImageStack(MagickFalse,MagickFalse,pend); identify_info=CloneImageInfo(image_info); identify_info->verbose=MagickFalse; filename=argv[i]; if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1))) filename=argv[++i]; (void) SetImageOption(image_info,"filename",filename); (void) CopyMagickString(identify_info->filename,filename,MaxTextExtent); if (identify_info->ping != MagickFalse) images=PingImages(identify_info,exception); else images=ReadImages(identify_info,exception); identify_info=DestroyImageInfo(identify_info); status&=(images != (Image *) NULL) && (exception->severity < ErrorException); if (images == (Image *) NULL) continue; AppendImageStack(images); FinalizeImageSettings(image_info,image,MagickFalse); count=0; for ( ; image != (Image *) NULL; image=GetNextImageInList(image)) { if (image->scene == 0) image->scene=count++; if (format == (char *) NULL) { (void) IdentifyImage(image,stdout,image_info->verbose); continue; } if (metadata != (char **) NULL) { char *text; text=InterpretImageProperties(image_info,image,format); InheritException(exception,&image->exception); if (text == (char *) NULL) ThrowIdentifyException(ResourceLimitError, "MemoryAllocationFailed",GetExceptionMessage(errno)); (void) ConcatenateString(&(*metadata),text); text=DestroyString(text); } } RemoveAllImageStack(); continue; } pend=image != (Image *) NULL ? MagickTrue : MagickFalse; image_info->ping=MagickFalse; switch (*(option+1)) { case 'a': { if (LocaleCompare("alpha",option+1) == 0) { ssize_t type; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); type=ParseCommandOption(MagickAlphaOptions,MagickFalse,argv[i]); if (type < 0) ThrowIdentifyException(OptionError,"UnrecognizedAlphaChannelType", argv[i]); break; } if (LocaleCompare("antialias",option+1) == 0) break; if (LocaleCompare("authenticate",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'c': { if (LocaleCompare("cache",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("channel",option+1) == 0) { ssize_t channel; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); channel=ParseChannelOption(argv[i]); if (channel < 0) ThrowIdentifyException(OptionError,"UnrecognizedChannelType", argv[i]); break; } if (LocaleCompare("clip",option+1) == 0) break; if (LocaleCompare("clip-mask",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("clip-path",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("colorspace",option+1) == 0) { ssize_t colorspace; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); colorspace=ParseCommandOption(MagickColorspaceOptions, MagickFalse,argv[i]); if (colorspace < 0) ThrowIdentifyException(OptionError,"UnrecognizedColorspace", argv[i]); break; } if (LocaleCompare("crop",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("concurrent",option+1) == 0) break; ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'd': { if (LocaleCompare("debug",option+1) == 0) { ssize_t event; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); event=ParseCommandOption(MagickLogEventOptions,MagickFalse,argv[i]); if (event < 0) ThrowIdentifyException(OptionError,"UnrecognizedEventType", argv[i]); (void) SetLogEventMask(argv[i]); break; } if (LocaleCompare("define",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (*option == '+') { const char *define; define=GetImageOption(image_info,argv[i]); if (define == (const char *) NULL) ThrowIdentifyException(OptionError,"NoSuchOption",argv[i]); break; } break; } if (LocaleCompare("density",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("depth",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("duration",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'e': { if (LocaleCompare("endian",option+1) == 0) { ssize_t endian; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); endian=ParseCommandOption(MagickEndianOptions,MagickFalse, argv[i]); if (endian < 0) ThrowIdentifyException(OptionError,"UnrecognizedEndianType", argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'f': { if (LocaleCompare("features",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("format",option+1) == 0) { format=(char *) NULL; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); format=argv[i]; break; } if (LocaleCompare("fuzz",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'g': { if (LocaleCompare("gamma",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("grayscale",option+1) == 0) { ssize_t method; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); method=ParseCommandOption(MagickPixelIntensityOptions,MagickFalse, argv[i]); if (method < 0) ThrowIdentifyException(OptionError,"UnrecognizedIntensityMethod", argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'h': { if ((LocaleCompare("help",option+1) == 0) || (LocaleCompare("-help",option+1) == 0)) { DestroyIdentify(); return(IdentifyUsage()); } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'i': { if (LocaleCompare("interlace",option+1) == 0) { ssize_t interlace; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse, argv[i]); if (interlace < 0) ThrowIdentifyException(OptionError,"UnrecognizedInterlaceType", argv[i]); break; } if (LocaleCompare("interpolate",option+1) == 0) { ssize_t interpolate; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse, argv[i]); if (interpolate < 0) ThrowIdentifyException(OptionError, "UnrecognizedInterpolateMethod",argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'l': { if (LocaleCompare("limit",option+1) == 0) { char *p; double value; ssize_t resource; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); resource=ParseCommandOption(MagickResourceOptions,MagickFalse, argv[i]); if (resource < 0) ThrowIdentifyException(OptionError,"UnrecognizedResourceType", argv[i]); i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); value=StringToDouble(argv[i],&p); (void) value; if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0)) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("list",option+1) == 0) { ssize_t list; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]); if (list < 0) ThrowIdentifyException(OptionError,"UnrecognizedListType", argv[i]); status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **) argv+j,exception); DestroyIdentify(); return(status == 0 ? MagickFalse : MagickTrue); } if (LocaleCompare("log",option+1) == 0) { if (*option == '+') break; i++; if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL)) ThrowIdentifyException(OptionError,"MissingArgument",option); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'm': { if (LocaleCompare("mask",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("matte",option+1) == 0) break; if (LocaleCompare("moments",option+1) == 0) break; if (LocaleCompare("monitor",option+1) == 0) break; ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'n': { if (LocaleCompare("negate",option+1) == 0) break; ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'p': { if (LocaleCompare("ping",option+1) == 0) { image_info->ping=MagickTrue; break; } if (LocaleCompare("precision",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'q': { if (LocaleCompare("quiet",option+1) == 0) break; ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'r': { if (LocaleCompare("regard-warnings",option+1) == 0) break; if (LocaleNCompare("respect-parentheses",option+1,17) == 0) { respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse; break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 's': { if (LocaleCompare("sampling-factor",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("seed",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("set",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("size",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("strip",option+1) == 0) break; if (LocaleCompare("support",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowIdentifyInvalidArgumentException(option,argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'u': { if (LocaleCompare("unique",option+1) == 0) break; if (LocaleCompare("units",option+1) == 0) { ssize_t units; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); units=ParseCommandOption(MagickResolutionOptions,MagickFalse, argv[i]); if (units < 0) ThrowIdentifyException(OptionError,"UnrecognizedUnitsType", argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case 'v': { if (LocaleCompare("verbose",option+1) == 0) break; if (LocaleCompare("virtual-pixel",option+1) == 0) { ssize_t method; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingArgument",option); method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse, argv[i]); if (method < 0) ThrowIdentifyException(OptionError, "UnrecognizedVirtualPixelMethod",argv[i]); break; } ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } case '?': break; default: ThrowIdentifyException(OptionError,"UnrecognizedOption",option) } fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) & FireOptionFlag) == 0 ? MagickFalse : MagickTrue; if (fire != MagickFalse) FireImageStack(MagickFalse,MagickTrue,MagickTrue); } if (k != 0) ThrowIdentifyException(OptionError,"UnbalancedParenthesis",argv[i]); if (i != (ssize_t) argc) ThrowIdentifyException(OptionError,"MissingAnImageFilename",argv[i]); DestroyIdentify(); return(status != 0 ? MagickTrue : MagickFalse); }