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The following filters allow you to change text from Dos-style to UNIX system style and vice-versa, or convert a file to other formats. Also note that many modern text editors can do this for you...
Because UNIX systems and Microsoft use two different standards to represent the end-of-line in an ASCII text file.
This can sometimes causes problems in editors or viewers which aren't familiar with the other operating systems end-of-line style. The following tools allow you to get around this difference.
The difference is very simple, on a Windows text file, a newline is signalled by a carriage return followed by a newline, '\r\n' in ASCII.
On a UNIX system a newline is simply a newline, '\n' in ASCII.
This converts Microsoft-style end-of-line characters to UNIX system style end-of-line characters.
This does the same as dos2unix (above).
fromdos can be obtained from the from/to dos website.
This converts UNIX system style end-of-line characters to Microsoft-style end-of-line characters.
This does the same as unix2dos (above).
todos can be obtained from the from/to dos website.
This filter converts Microsoft word documents into plain ASCII text documents.
You can get antiword from the antiword homepage.
Converts text files between various formats including HTML and dozens of different forms of text encodings.
Use recode -l for a full listing. It can also be used to convert text to and from Windows and UNIX system formats (so you don't get the weird symbols).
By default recode overwrites the input file, use '<' to use recode as a filter only (and to not overwrite the file).
UNIX system text to Windows text:
recode ..pc file_name
Windows text to UNIX system text:
recode ..pc/ file_name
UNIX system text to Windows text without overwriting the original file (and creating a new output file):
recode ..pc < file_name > recoded_file
(Windows to UNIX system style conversion only). While tr is not specifically designed to convert files from Windows-format to UNIX system format by doing:
tr -d '\r' < inputFile.txt > outputFile.txt
The -d switch means to simply delete any occurances of the string. Since we are looking for '\r', carriage returns it will remove any it finds, making the file a UNIX system text file. You can read more about tr over here, Section 11.4.
Converts text files to postscript, rtf, HTML (use ghostview to view the postscript file). enscript has a large number of options which can be used to customise the output.
enscript --language=html input_file.txt -o output_file.html
This will take some file and output it as a html file.
Display help on using the highlight feature (list all different types of highlighting available)
Highlight (pretty print), example:
enscript -E --color --language=html --toc --output=foo.html *.h *.c
Add all the files with a .h and a .c (C source and header files) into a file called foo.html, use colour and add a table of contents
For further options refer to the well written manual page of enscript.
Used to create ASCII “art”. Figlet can create several different forms (fonts) of ASCII art, its one of the more unusual programs around.
These examples are based off information from the enscript manual page, see  in the Bibliography for further information.
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