| ## 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[[:blank:]]+)?((a|ba|c|da|k|mk|pdk|tc|z)?sh)|busybox[[:blank:]]+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]|--\<[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:]_]*)(\[([[:blank:]]*[[:alnum:]_]+[[:blank:]]*|@)\])?(([#%/]|:?[-=?+])[^}]*\}|\[|\})" | |
| # Comments. | |
| color cyan "(^|[[:blank:]])#.*" | |
| # Strings. | |
| color brightyellow ""([^"\]|\\.)*"|'([^'\]|\\.)*'" | |
| # Trailing whitespace. | |
| color ,green "[[:space:]]+$" | |