## Syntax highlighting for Bourne shell scripts. syntax sh "(\.sh|(\.|/)(a|ba|c|da|k|mk|pdk|tc|z)sh(rc|_profile)?|/(etc/|\.)profile)$" header "^#!.*/((env\s+)?((a|ba|c|da|k|mk|pdk|tc|z)?sh)|busybox\s+sh|openrc-run|runscript)\>" header "-\*-.*shell-script.*-\*-" magic "(POSIX|Bourne-Again) shell script.*text" comment "#" linter dash -n # Function declarations. color brightgreen "^[A-Za-z0-9_-]+\(\)" # Keywords, symbols, and comparisons. color green "\<(break|case|continue|do|done|elif|else|esac|exit|fi|for|function|if|in|read|return|select|shift|then|time|until|while)\>" color green "\<(declare|eval|exec|export|let|local)\>" color green "[{}():;|`$<>!=&\\]" "(\]|\[)" color green "-(eq|ne|gt|lt|ge|le|ef|ot|nt)\>" # Short and long options. color brightmagenta "[[:blank:]]-[A-Za-z]\>" "[[:blank:]]--[A-Za-z-]+\>" # Common commands. color brightblue "\<(awk|cat|cd|ch(grp|mod|own)|cp|cut|echo|env|grep|head|install|ln|make|mkdir|mv|popd|printf|pushd|rm|rmdir|sed|set|sort|tail|tar|touch|umask|unset)\>" color normal "[.-]tar\>" # Basic variable names (no braces). color brightred "\$[-0-9@*#?$!]" "\$[[:alpha:]_][[:alnum:]_]*" # More complicated variable names; handles braces and replacements and arrays. color brightred "\$\{[#!]?([-@*#?$!]|[0-9]+|[[:alpha:]_][[:alnum:]_]*)(\[([[:space:]]*[[:alnum:]_]+[[:space:]]*|@)\])?(([#%/]|:?[-=?+])[^}]*\}|\[|\})" # Comments. color cyan "(^|[[:space:]])#.*" # Strings. color brightyellow ""(\\.|[^"])*"" "'(\\.|[^'])*'" # Trailing whitespace. color ,green "[[:space:]]+$"