lessfilter-pygmentize/.lessfilter

#!/bin/bash
# uses Pygments v2.14.0 for syntax highlighting on applicable file types
for path in "$@"; do
    # match by known filenames
    filename=$(basename "$path")
    case "$filename" in
        .bash_aliases|.bash_environment|.bash_login|.bash_logout|\
        .bash_profile|.cshdirs|.cshrc|.profile|.tcshrc|.zlogin|.zlogout|\
        .zprofile|bash.bashrc|csh.cshrc|csh.login|csh.logout|ksh.kshrc|zlogin|\
        zlogout|zprofile)
            # shell lexer
            pygmentize -f 256 -O style="$PYGMENTIZE_STYLE" -l sh "$path"
            ;;
        *.1p|*.3pm|*.6pl|*.6pm|*.ABAP|*.ASM|*.BAS|*.C|*.CBL|*.COB|*.CPP|*.CPY|\
        *.F|*.F03|*.F90|*.G|*.H|*.ICON|*.MIPS|*.P|*.PRG|*.R|*.Rd|*.Rout|*.S|\
        *.SAS|*.VBS|*.[1-9]|*.[gs]sed|*.abap|*.abnf|*.ada|*.adb|*.adl|*.adlf|\
        *.adls|*.adlx|*.ado|*.ads|*.aes|*.agda|*.aheui|*.ahk|*.ahkl|*.aj|\
        *.alg|*.als|*.ans|*.apl|*.aplc|*.aplf|*.apli|*.apln|*.aplo|\
        *.applescript|*.arexx|*.art|*.arw|*.as|*.asax|*.asc|*.ascx|*.ashx|\
        *.asm|*.asmx|*.aspx|*.asy|*.at|*.au3|*.aug|*.automount|*.aux|*.awk|\
        *.axd|*.b|*.bare|*.bas|*.bash|*.bat|*.bb|*.bbc|*.bc|*.be|*.befunge|\
        *.bf|*.bib|*.bmx|*.bnf|*.boa|*.boo|*.bpl|*.bro|*.bst|*.bug|*.bzl|*.c|\
        *.c++|*.c++-objdump|*.c-objdump|*.cadl|*.camkes|*.capnp|*.cbl|*.cc|\
        *.cddl|*.cdf|*.cdl|*.ceylon|*.cf|*.cfc|*.cfg|*.cfm|*.cfml|*.chai|\
        *.chpl|*.ci|*.cirru|*.cjs|*.cl|*.clay|*.clj|*.cljc|*.cljs|*.cls|\
        *.cmake|*.cmd|*.cml|*.cob|*.coffee|*.comal|*.cp|*.cpl|*.cpp|\
        *.cpp-objdump|*.cps|*.cpsa|*.cpy|*.cr|*.crmsh|*.croc|*.cry|*.cs|*.csd|\
        *.csh|*.css|*.css.in|*.css.j2|*.css.jinja2|*.cssul4|*.cu|*.cuh|*.cw|\
        *.cxx|*.cxx-objdump|*.cyp|*.cypher|*.d|*.d-objdump|*.darcspatch|\
        *.dart|*.dasm|*.dasm16|*.dcl|*.decls|*.def|*.device|*.dg|*.di|*.diff|\
        *.dmesg|*.do|*.docker|*.dot|*.dpatch|*.dpr|*.dtd|*.dts|*.dtsi|*.duby|\
        *.duel|*.dyalog|*.dyl|*.dylan|*.dylan-console|*.e|*.ebnf|*.ebuild|\
        *.ec|*.ecl|*.eclass|*.edp|*.eex|*.eg|*.eh|*.el|*.elm|*.elpi|*.eml|\
        *.eps|*.erl|*.erl-sh|*.es|*.escript|*.evoque|*.ex|*.exec|*.exheres-0|\
        *.exlib|*.exs|*.exw|*.ezt|*.f|*.f03|*.f90|*.factor|*.fan|*.fancypack|\
        *.fc|*.feature|*.fhtml|*.fif|*.fish|*.flo|*.flx|*.flxh|*.fnl|*.frag|\
        *.frt|*.fs|*.fsi|*.fst|*.fsti|*.fsx|*.fun|*.func|*.fut|*.fy|*.g|*.gap|\
        *.gcode|*.gd|*.gdc|*.gemspec|*.geo|*.gi|*.go|*.golo|*.gradle|*.graph|\
        *.groovy|*.gs|*.gsp|*.gsql|*.gst|*.gsx|*.gv|*.h|*.h++|*.haml|\
        *.handlebars|*.hbs|*.hdp|*.hh|*.hlsl|*.hlsli|*.hpp|*.hrl|*.hs|*.hsail|\
        *.htm|*.htm.j2|*.htm.jinja2|*.html|*.html.j2|*.html.jinja2|*.htmlul4|\
        *.hx|*.hxml|*.hxsl|*.hxx|*.hy|*.hyb|*.i|*.i6t|*.i7x|*.icl|*.icn|\
        *.icon|*.idc|*.idl|*.idl4|*.idr|*.ijs|*.ik|*.inc|*.inf|*.ini|*.ino|\
        *.instances|*.intr|*.io|*.ipf|*.isa|*.j|*.jade|*.jag|*.java|*.jbst|\
        *.jcl|*.jl|*.jp|*.js|*.js.in|*.js.j2|*.js.jinja2|*.jsgf|*.jslt|*.jsm|\
        *.json|*.jsonld|*.jsonnet|*.jsp|*.jsul4|*.juttle|*.jy|*.k|*.kal|*.kid|\
        *.kif|*.kk|*.kki|*.kmsg|*.kn|*.ksh|*.kt|*.kts|*.lagda|*.lasso|\
        *.lasso[89]|*.lcry|*.lean|*.leex|*.less|*.lgt|*.lhs|*.libsonnet|*.lid|\
        *.lidr|*.liquid|*.lisp|*.ll|*.load|*.logtalk|*.lpad|*.ls|*.lsl|*.lsp|\
        *.lua|*.ly|*.m|*.m2|*.ma|*.mac|*.mak|*.man|*.mao|*.maql|*.markdown|\
        *.mask|*.max|*.mc|*.mcfunction|*.mcschema|*.md|*.mhtml|*.mi|*.mips|\
        *.mir|*.mjs|*.mk|*.ml|*.mli|*.mll|*.mly|*.mm|*.mo|*.mod|*.monkey|\
        *.moo|*.moon|*.mos|*.mount|*.mq4|*.mq5|*.mqh|*.ms|*.msc|*.mt|*.mu|\
        *.mxml|*.myt|*.n|*.nasm|*.nb|*.nbp|*.nc|*.ncl|*.ng2|*.ni|*.nim|\
        *.nimrod|*.nit|*.nix|*.nl|*.nqp|*.ns2|*.nsh|*.nsi|*.nt|*.objdump|\
        *.objdump-intel|*.odin|*.ooc|*.opa|*.orc|*.p|*.p6|*.p6l|*.p6m|*.pan|\
        *.pas|*.patch|*.path|*.pc|*.pcmk|*.peg|*.pem|*.perl|*.php|*.php[345]|\
        *.phtml|*.pidl|*.pig|*.pike|*.pl|*.pl6|*.plot|*.plt|*.pm|*.pm6|*.pmod|\
        *.po|*.pony|*.portugol|*.pot|*.pov|*.pp|*.praat|*.prg|*.pro|*.proc|\
        *.prolog|*.promql|*.properties|*.proto|*.ps|*.ps1|*.psc|*.psi|*.psl|\
        *.psm1|*.ptls|*.pug|*.pwn|*.pxd|*.pxi|*.py|*.py2tb|*.py3tb|*.pyi|\
        *.pypylog|*.pytb|*.pyul4|*.pyw|*.pyx|*.q|*.qbs|*.qml|*.qvs|*.qvto|\
        *.qvw|*.r|*.r3|*.rake|*.raku|*.rakudoc|*.rakumod|*.rakutest|*.rb|\
        *.rbw|*.rbx|*.re|*.reb|*.red|*.reds|*.reg|*.rei|*.resource|*.rest|\
        *.rex|*.rexx|*.rhtml|*.ride|*.rita|*.rkt|*.rktd|*.rktl|*.rl|*.rnc|\
        *.robot|*.rpf|*.rq|*.rql|*.rs|*.rs.in|*.rsl|*.rss|*.rst|*.rts|*.run|\
        *.rvt|*.rx|*.s|*.sage|*.sarl|*.sas|*.sass|*.savi|*.sbl|*.sc|*.scala|\
        *.scaml|*.scd|*.scdoc|*.sce|*.sci|*.scm|*.sco|*.scope|*.scss|*.sed|\
        *.service|*.sgf|*.sh|*.sh-session|*.shell-session|*.shen|*.shex|\
        *.sieve|*.sig|*.sil|*.siv|*.sl|*.sla|*.slice|*.slim|*.sls|*.smali|\
        *.smithy|*.sml|*.smv|*.snbt|*.snobol|*.socket|*.sol|*.sp|*.sparql|\
        *.spec|*.spice|*.spt|*.sql|*.sql.j2|*.sql.jinja2|*.sqlite3-console|\
        *.ss|*.ssp|*.st|*.stan|*.sv|*.svh|*.swap|*.swg|*.swift|*.t|*.tac|\
        *.tal|*.tap|*.target|*.tasm|*.tcl|*.tcsh|*.tea|*.teal|*.tex|*.tf|\
        *.thrift|*.thy|*.ti|*.tid|*.timer|*.tlb|*.tmpl|*.tnt|*.toc|*.todotxt|\
        *.toml|*.tpl|*.tpp|*.treetop|*.ts|*.tst|*.tt|*.ttl|*.twig|*.txt|\
        *.typoscript|*.u|*.u1|*.u2|*.udo|*.ul4|*.usd|*.usda|*.v|*.vala|*.vapi|\
        *.vark|*.vb|*.vbs|*.vcl|*.vert|*.vhd|*.vhdl|*.vim|*.vm|*.vpr|*.wast|\
        *.wat|*.wdiff|*.webidl|*.weechatlog|*.whiley|*.wlua|*.wren|*.wsdl|\
        *.wsf|*.x|*.x10|*.x[bp]m|*.xhtml|*.xhtml.j2|*.xhtml.jinja2|*.xi|*.xm|\
        *.xmi|*.xml|*.xml.j2|*.xml.jinja2|*.xmlul4|*.xpl|*.xq|*.xql|*.xqm|\
        *.xquery|*.xqy|*.xsd|*.xsl|*.xslt|*.xtend|*.xtm|*.xul.in|*.yaml|\
        *.yaml.j2|*.yaml.jinja2|*.yang|*.yml|*.yml.j2|*.yml.jinja2|*.zeek|\
        *.zep|*.zig|*.zsh|*Config.in*|*Spec.hs|.Renviron|.Rhistory|.Rprofile|\
        .SRCINFO|.bashrc|.editorconfig|.exrc|.gvimrc|.htaccess|.kshrc|.vimrc|\
        .zshrc|BUCK|BUILD|BUILD.bazel|CMakeLists.txt|Dockerfile|GNUmakefile|\
        Gemfile|Kconfig*|Makefile|Makefile.*|PKGBUILD|Pipfile|Pipfile.lock|\
        Procfile|Rakefile|SConscript|SConstruct|Singularity|Vagrantfile|\
        WORKSPACE|apache.conf|apache2.conf|autodelegate|autohandler|bashrc|\
        control|dhandler|exrc|external.in*|gvimrc|iddsa|idecdsa|idecdsask|\
        ided25519|ided25519sk|idrsa|kshrc|lighttpd.conf|makefile|meson.build|\
        mesonoptions.txt|nginx.conf|pacman.conf|poetry.lock|sources.list|\
        squid.conf|standard-modules.in|termcap|termcap.src|terminfo|\
        terminfo.src|todo.txt|vimrc|xorg.conf|zshrc)
            # filename recognized
            pygmentize -f 256 -O style="$PYGMENTIZE_STYLE" "$path"
            ;;
        *)
            # attempt to parse the lexer from the shebang if it exists
            lexer=$(head -n 1 "$path" | grep '^#\!' | awk -F" " \
'{ if (/env/) { print $2 } else { sub( /.*\//, ""); print $1;} }')
            case "$lexer" in
                node|nodejs)
                    # use `js` lexer for nodejs
                    pygmentize -f 256 -O style="$PYGMENTIZE_STYLE" \
                        -l js "$path"
                    ;;
                "")
                    # fall-back to plain text
                    exit 1
                    ;;
                *)
                    # use lexer alias parsed from the shebang
                    pygmentize -f 256 -O style="$PYGMENTIZE_STYLE" \
                        -l "$lexer" "$path"
                    ;;
            esac
            ;;
    esac
done
exit 0