print pdfimages help
pdimg_help()
nothing, cat()
to console
pdimg_help()
#> pdfimages version 24.04.0
#> Copyright 2005-2024 The Poppler Developers - http://poppler.freedesktop.org
#> Copyright 1996-2011, 2022 Glyph & Cog, LLC
#> Usage: pdfimages [options] <PDF-file> <image-root>
#> -f <int> : first page to convert
#> -l <int> : last page to convert
#> -png : change the default output format to PNG
#> -tiff : change the default output format to TIFF
#> -j : write JPEG images as JPEG files
#> -jp2 : write JPEG2000 images as JP2 files
#> -jbig2 : write JBIG2 images as JBIG2 files
#> -ccitt : write CCITT images as CCITT files
#> -all : equivalent to -png -tiff -j -jp2 -jbig2 -ccitt
#> -list : print list of images instead of saving
#> -opw <string> : owner password (for encrypted files)
#> -upw <string> : user password (for encrypted files)
#> -p : include page numbers in output file names
#> -print-filenames : print image filenames to stdout
#> -q : don't print any messages or errors
#> -v : print copyright and version info
#> -h : print usage information
#> -help : print usage information
#> --help : print usage information
#> -? : print usage information