ubuntu@gd:~$ uudecode –help uudecode (GNU sharutils) – decode an encoded file Usage: uudecode [ – [] | –[{=| }] ]… […] -o, –output-file=str direct output to file -c, –ignore-chmod ignore fchmod(3P) errors -v, –version[=MODE] output version information and exit -h, –help display extended usage information and exit -!, –more-help extended usage information passed thru pager … Read more
qpdf –help Usage: qpdf [ options ] { infilename | –empty } [ outfilename ] An option summary appears below. Please see the documentation for details. If @filename appears anywhere in the command-line, each line of filename will be interpreted as an argument. No interpolation is done. Line terminators are stripped. @- can be specified … Read more
basic usage is as simple as textract filename.png -o output.txt The above command will output the text contents of the image to the file output.txt All usage flags / command options are as follows: usage: textract [-h] [-e {aliases,ascii,base64_codec,big5,big5hkscs,bz2_codec,charmap,cp037,cp1006,cp1026,cp1140,cp1250,cp1251,cp1252,cp1253,cp1254,cp1255,cp1256,cp1257,cp1258,cp424,cp437,cp500,cp720,cp737,cp775,cp850,cp852,cp855,cp856,cp857,cp858,cp860,cp861,cp862,cp863,cp864,cp865,cp866,cp869,cp874,cp875,cp932,cp949,cp950,euc_jis_2004,euc_jisx0213,euc_jp,euc_kr,gb18030,gb2312,gbk,hex_codec,hp_roman8,hz,idna,iso2022_jp,iso2022_jp_1,iso2022_jp_2,iso2022_jp_2004,iso2022_jp_3,iso2022_jp_ext,iso2022_kr,iso8859_1,iso8859_10,iso8859_11,iso8859_13,iso8859_14,iso8859_15,iso8859_16,iso8859_2,iso8859_3,iso8859_4,iso8859_5,iso8859_6,iso8859_7,iso8859_8,iso8859_9,johab,koi8_r,koi8_u,latin_1,mac_arabic,mac_centeuro,mac_croatian,mac_cyrillic,mac_farsi,mac_greek,mac_iceland,mac_latin2,mac_roman,mac_romanian,mac_turkish,mbcs,palmos,ptcp154,punycode,quopri_codec,raw_unicode_escape,rot_13,shift_jis,shift_jis_2004,shift_jisx0213,string_escape,tactis,tis_620,undefined,unicode_escape,unicode_internal,utf_16,utf_16_be,utf_16_le,utf_32,utf_32_be,utf_32_le,utf_7,utf_8,utf_8_sig,uu_codec,zlib_codec}] [–extension {.csv,.doc,.docx,.eml,.epub,.gif,.htm,.html,.jpeg,.jpg,.json,.log,.mp3,.msg,.odt,.ogg,.pdf,.png,.pptx,.ps,.psv,.rtf,.tff,.tif,.tiff,.tsv,.txt,.wav,.xls,.xlsx,csv,doc,docx,eml,epub,gif,htm,html,jpeg,jpg,json,log,mp3,msg,odt,ogg,pdf,png,pptx,ps,psv,rtf,tff,tif,tiff,tsv,txt,wav,xls,xlsx}] [-m METHOD] [-o OUTPUT] [-O OPTION] [-v] filename Command line tool for extracting text … Read more
ubuntu@computer:~$ pandoc –help pandoc [OPTIONS] [FILES] -f FORMAT, -r FORMAT –from=FORMAT, –read=FORMAT -t FORMAT, -w FORMAT –to=FORMAT, –write=FORMAT -o FILENAME –output=FILENAME –data-dir=DIRECTORY -R –parse-raw -S –smart –old-dashes –base-header-level=NUMBER –indented-code-classes=STRING -F PROGRAM –filter=PROGRAM –normalize -p –preserve-tabs –tab-stop=NUMBER –track-changes=accept|reject|all –file-scope –extract-media=PATH -s –standalone –template=FILENAME -M KEY[:VALUE] –metadata=KEY[:VALUE] -V KEY[:VALUE] –variable=KEY[:VALUE] -D FORMAT –print-default-template=FORMAT –print-default-data-file=FILE –dpi=NUMBER –no-wrap –wrap=auto|none|preserve … Read more
jpegoptim -help jpegoptim v1.4.4 Copyright (c) 1996-2016, Timo Kokkonen Usage: jpegoptim [options] -d, –dest= specify alternative destination directory for optimized files (default is to overwrite originals) -f, –force force optimization -h, –help display this help and exit -m, –max= set maximum image quality factor (disables lossless optimization mode, which is by default on) Valid quality … Read more
help ulimit ulimit: ulimit [-SHacdefilmnpqrstuvx] [limit] Modify shell resource limits. Provides control over the resources available to the shell and processes it creates, on systems that allow such control. Options: -S use the `soft’ resource limit -H use the `hard’ resource limit -a all current limits are reported -b the socket buffer size -c the … Read more
script -help script: illegal option — h usage: script [-adkpqr] [-t time] [file [command …]]
gzip -help Apple gzip 264.50.1 usage: gzip [-123456789acdfhklLNnqrtVv] [-S .suffix] [ [ …]] -1 –fast fastest (worst) compression -2 .. -8 set compression level -9 –best best (slowest) compression -c –stdout write to stdout, keep original files –to-stdout -d –decompress uncompress files –uncompress -f –force force overwriting & compress links -h –help display this help … Read more
GNU Wget 1.15, a non-interactive network retriever. Usage: wget [OPTION]… [URL]… Mandatory arguments to long options are mandatory for short options too. Startup: -V, –version display the version of Wget and exit. -h, –help print this help. -b, –background go to background after startup. -e, –execute=COMMAND execute a `.wgetrc’-style command. Logging and input file: -o, … Read more
gifsicle:: is a terminal You need to specify output using the -o flag: gifsicle -O3 input.gif -o output.gif The above code can be used to optimize gif files. gifsicle:: is a terminal For this issue, you need to be sure you are specifying an input file