lessfilter-pygmentize/.lessfilter

#!/bin/bash
# uses Pygments v2.15.1 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|*.blp|*.bmx|*.bnf|*.boa|*.boo|*.bpl|*.bro|*.bst|*.bug|\
        *.bzl|*.c|*.c++|*.c++-objdump|*.c-objdump|*.cadl|*.camkes|*.capnp|\
        *.carbon|*.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|*.dax|*.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|*.explain|*.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|*.graphql|*.groovy|\
        *.gs|*.gsp|*.gsql|*.gst|*.gsx|*.gv|*.h|*.h++|*.haml|*.handlebars|\
        *.hbs|*.hcl|*.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|*.ptx|*.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|\
        *.scad|*.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|*.vp|*.vpr|*.wast|*.wat|*.wdiff|*.webidl|*.weechatlog|\
        *.wgsl|*.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|*.xpp|*.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