nano/syntax/sh.nanorc
Benno Schulenberg bacb0f717d syntax: adjust the magic strings for the changes since file-5.10
Since file-5.10 (end of 2011), libmagic identifies a C file in most
cases as "C source" instead of as "C program".  Nano's magic strings
for some other files didn't match any more what file-5.32 currently
produces, either.  So, they have been adjusted, new ones added, and
old ones deleted.

This fixes https://savannah.gnu.org/bugs/?52445.
2017-11-19 11:24:30 +01:00

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## Here is an example for Bourne shell scripts.
syntax "sh" "\.sh$"
header "^#!.*((ba|da|k|pdk)?sh[-0-9_]*|openrc-run|runscript)"
magic "(POSIX|Bourne-Again) shell script.*text"
linter dash -n
comment "#"
icolor brightgreen "^[0-9A-Z_]+\(\)"
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 "-[Ldefgruwx]\>"
color green "-(eq|ne|gt|lt|ge|le|s|n|z)\>"
color brightblue "\<(awk|cat|cd|ch(grp|mod|own)|cp|echo|env|grep|install|ln|make|mkdir|mv|popd|printf|pushd|rm|rmdir|sed|set|tar|touch|umask|unset)\>"
# 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:]])#.*$"
# Strings.
color brightyellow ""(\\.|[^"])*"" "'(\\.|[^'])*'"
# Trailing whitespace.
color ,green "[[:space:]]+$"