Edit File: _units
#compdef units local curcontext="$curcontext" state line integer ret=1 typeset -A opt_args # Command line completion for Solaris units isn't very useful; this # may be standard old-fashioned behaviour. However, it does let you # find out the units that are available before running units # interactively. # GNU options, but these aren't very intrusive for other versions. _arguments -C -s -S \ '(-c --check --check-verbose)'{-c,--check}'[check units are reducible]' \ '(-c --check)--check-verbose[verbosely check units are reducible]' \ '(-o --output-format)'{-o,--output-format}'[specify output format]:printf formt: ' \ '(-f --file)'{-f,--file}'[specify file with units]:units file:_files' \ '(-m --minus)'{-m,--minus}'[- is subtraction]' \ '(-p --product)'{-p,--product}'[binary - is product]' \ '(-q --quiet --silent)'{-q,--quiet,--silent}'[suppress prompts and statistics]' \ '(-s --strict)'{-s,--strict}'[suppress conversion to reciprocals units]' \ '(-t --terse)'{-t,--terse}'[make conversion output briefer]' \ '(-v --verbose)'{-v,--verbose}'[make output more verbose]' \ '(- *)'{-h,--help}'[show help information and exit]' \ '(- *)'{-V,--version}'[show version information and exit]' \ '*:unit expression:->expr' && return 0 [[ $state = expr ]] || return 1 # It's very likely there's a quoted expression, since things like '2 seconds' # need to be a single argument. Units themselves don't have special # characters, so it's safe to take just the characters around the # cursor. compset -P '*[^[:alnum:]]' compset -S '[^[:alnum:]]*' # Find the units data. local datfile local -a testfiles testfiles=( /usr/share/units.dat # GNU on Fedora /usr/share/units/units.dat # on gentoo /usr/share/misc/units.dat # on Debian /usr/local/share/units.dat # GNU DIY install /usr/share/lib/unittab # Solaris /usr/share/misc/units.lib # BSD ) datfile=${opt_args[-f]:-${opt_args[--file]}} if [[ -z $datfile ]]; then for datfile in $testfiles; do [[ -f $datfile ]] && break done fi if [[ ! -f $datfile ]]; then _message "Data file for units not found." return fi local -a all units pfxs # Solaris uses / to start a comment, else #. # could cache this, but it's not that big a deal... all=($(awk '$1 !~ /^[\/#]/ { print $1 }' $datfile)) # prefixes end in a - pfxs=(${${all:#^[[:alnum:]]##-}%%-}) # units may include regular or piecewise linear functions units=(${${all:#^[[:alnum:]]##([\(\]]*|)}%%\(*}) if (( ${#units} )); then _alternative 'unitprefixes:unit prefix:compadd -S "" -a pfxs' \ 'units:unit:compadd -a units' && ret=0 # attempt to skip a prefix if (( ${#pfxs} )) && compset -P "(${(j.|.)pfxs})"; then _wanted units expl unit compadd -a units && ret=0 fi return ret else _message "No unit definitions found." fi
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