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#compdef zargs -value-,-default-,-command-
local arguments eofstr pos=$((CURRENT)) numeofs=0 ret=1 cmdpos=1
#this doesn't handle '--' on the command line, only --
#it also by extension doesn't handle eofstr being the empty string
#it also doesn't handle eofstr being -e or --eof, and everything will
# probably also be confused if the command at the end takes a -e, --eof= or --
eofstr=${${${${words[(r)(--eof=*|-e*)]}#--eof=}#-e}:---}
while {
pos=$(( words[(b:pos-1:I)$eofstr] ))
(( numeofs == 0 )) && (( cmdpos = pos ))
(( pos )) && (( numeofs++ ))
(( pos ))
} {}
case $numeofs in
0)
#zargs arguments
arguments=(
'(--eof -e)'{--eof=,-e+}'[change the end-of-input-args string from "--" to eof-str]'
'(--exit, -x)'{--exit,-x}'[exit if the size (see --max-chars) is exceeded]'
'--help[print summary and exit]'
'(--interactive, -p)'{--interactive,-p}'[prompt before executing each command line]'
'(--max-args, -n)'{--max-args=,-n+}'[use at most max-args arguments per command line]'
'(--max-chars, -s)'{--max-chars=,-s+}'[use at most max-chars characters per command line]'
'(--max-lines, -l)'{--max-lines=,-l+}'[use at most max-lines of the input-args per command line]'
'(--max-procs, -P)'{--max-procs=,-P+}'[run up to max-procs command lines in the background at once]'
'(--no-run-if-empty, -r)'{--no-run-if-empty,-r}'[do nothing if there are no input arguments before the eof-str]'
'(--null, -0)'{--null,-0}'[split each input-arg at null bytes, for xargs compatibility]'
'(--replace, -i)'{--replace=,-i}'[substitute replace-str in the initial-args by each initial-arg]'
'(--verbose, -t)'{--verbose,-t}'[print each command line to stderr before executing it]'
'--version[print the version number of zargs and exit]'
)
_arguments -S -s $arguments[@] && ret=0
;;
1)
#argument list for command
_files && ret=0
;;
*)
#command and command arguments
shift cmdpos words
(( CURRENT -= cmdpos ))
_normal
;;
esac
return ret
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