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ansifilter - Man Page

ANSI escape code processor and converter


ansifilter [d:i:F:m:o:r:s:e:fhptvHRT] [-i input file] [-o output file] [--text] [--html] [--latex] [--tex] [--rtf] [input files]


Ansifilter is a small utility to handle text files containing ANSI terminal escape codes. The command sequences may be stripped or be interpreted to generate formatted output (HTML, LaTeX, TeX, RTF).

See the README file for details.

File options

-i,  --input=<file> (default stdin)

Name of input file

-o,  --output=<file> (default stdout)

Name of output file

-O,  --outdir=<dir>

Name of output directory

-t,  --tail

Continue reading after end-of-file (like tail -f). Use system tail if available.

-x,  --max-size=<size>

Set maximum input file size (examples: 512M, 1G; default: 256M)

Output formats

-T,  --text

Output text (default)

-H,  --html

Output HTML

-M,  --pango

Output Pango markup

-L,  --latex

Output LaTeX

-P,  --tex

Output Plain TeX

-R,  --rtf

Output RTF

-B,  --bbcode

Output BBCode

-S,  --svg

Output SVG

Format options

-a,  --anchors(=self)

Add HTML line anchors (opt: self referencing, assumes -l)

-d,  --doc-title

Set HTML/LaTeX/SVG document title

-f,  --fragment

Omit HTML header and footer

-F,  --font=<font>

Set HTML/RTF/SVG font face

-k,  --ignore-clear(=false)

Do not adhere to clear (ESC K) commands (default: true)

-c,  --ignore-csi

Do not adhere to CSI commands (useful for UTF-8 input)

-l,  --line-numbers

Print line numbers in output file

-m,  --map=<path>

Read color mapping file (see README)

-r,  --style-ref=<rf>

Set HTML/TeX/LaTeX/SVG stylesheet path

-s,  --font-size=<num>

Set HTML/RTF/SVG font size

-e,  --encoding=<enc>

Set HTML encoding (must match input file encoding); omit encoding information if enc=NONE

-p,  --plain

Ignore ANSI formatting information

-w,  --wrap=<len>

Wrap long lines

-g,  --no-default-fg

Omit default foreground color


Omit trailing newline


Omit version info comment


Omit line numbers of wrapped lines (assumes -l)


Output dynamic stylesheets (HTML/SVG)

ASCII art options


Parse codepage 437 ASCII art (HTML and RTF output)


Parse BIN/XBIN ASCII art  (HTML output, no stdin)


Parse Tundra ANSI art  (HTML output, no stdin)


Set ASCII art width (default 80)


Set ASCII art height (default 150)

Other Options

-h,  --help

print help

-v,  --version

print version and license info

If no in- or output files are specified, stdin and stdout will be used for  in- or output. Plain text will be generated, if no output format is given. Parsing XBIN files overrides --art-width, --art-height and --map options. The ANSI art file formats BIN, XBIN and TND cannot be read from stdin.


File conversions:

ansifilter -i text_with_ansi.txt -o text_without_ansi.txt

tail -f server.log | ansifilter

ansifilter *.txt


Andre Simon <a.simon@mailbox.org>

See Also

More information at http://www.andre-simon.de/.

Referenced By


2023-01-08 Andre Simon user documentation