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git://git.code.sf.net/p/zsh/code
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69 lines
2.8 KiB
Text
69 lines
2.8 KiB
Text
#compdef tail
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local curcontext=$curcontext state state_descr line opts args ret=1
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typeset -A opt_args
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if _pick_variant gnu=GNU unix --version; then
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args=(
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'(-n --lines -c --bytes)'{-c+,--bytes=}'[print the last specified bytes; with +, start at the specified byte]:number of bytes:->number'
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'(-n --lines -c --bytes)'{-n+,--lines=}'[print the last specified lines; with +, start at the specified line]:number of lines:->number'
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'(-F -f)--follow=-[output appended data as the file grows]::how:(name descriptor)'
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'(-F --follow)-f[same as --follow=descriptor]'
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'(-f --follow --retry)-F[same as --follow=name --retry]'
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'--max-unchanged-stats=[with --follow=name, check file rename after the specified number of iterations]:number of iterations'
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'(-s --sleep-interval)'{-s+,--sleep-interval=}'[with -f, sleep the specfied seconds between iterations]:seconds'
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'--pid=[with -f, terminate after the specified process dies]:pid:_pids'
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'(-q --quiet --silent -v --verbose)'{-q,--quiet,--silent}'[never output headers giving file names]'
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'(-q --quiet --silent -v --verbose)'{-v,--verbose}'[always output headers giving file names]'
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'--retry[keep trying to open a file even when it becomes inaccessible]'
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'(- *)--help[display help and exit]'
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'(- *)--version[output version information and exit]'
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)
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else
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opts=(-A '-*')
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args=(
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'(-b -n)-c+[start at the specified byte]:bytes relative to the end (with +, beginning) of file'
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'(-b -c)-n+[start at the specified line]:lines relative to the end (with +, beginning) of file'
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'(-F -r)-f[wait for new data to be appended to the file]'
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)
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case $OSTYPE in
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(freebsd*|darwin*|dragonfly*|netbsd*|openbsd*|solaris*)
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args+=(
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'(-f -F)-r[display the file in reverse order]'
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)
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;|
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(freebsd*|darwin*|dragonfly*|netbsd*|openbsd*)
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args+=(
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'(-c -n)-b+[start at the specified block (512-byte)]:blocks relative to the end (with +, beginning) of file'
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)
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(freebsd*|darwin*|dragonfly*|netbsd*)
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args+=( '(-f -r)-F[implies -f, but also detect file rename]' )
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;|
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(freebsd*|darwin*|dragonfly*)
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args+=( '-q[suppress the headers when displaying multiple files]' )
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;;
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esac
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fi
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_arguments -C -s -S $opts : $args '*:file:_files' && return
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case $state in
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(number)
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local mlt sign digit
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mlt='multipliers:multiplier:((b\:512 K\:1024 KB\:1000 M\:1024\^2'
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mlt+=' MB\:1000\^2 G\:1024\^3 GB\:1000\^3 T\:1024\^4 TB\:1000\^4))'
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sign='signs:sign:((+\:"start at the specified byte/line"'
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sign+=' -\:"output the last specified bytes/lines (default)"))'
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digit='digits:digit:(0 1 2 3 4 5 6 7 8 9)'
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if compset -P '*[0-9]'; then
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_alternative $mlt $digit && ret=0
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elif [[ -z $PREFIX ]]; then
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_alternative $sign $digit && ret=0
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elif compset -P '(+|-)'; then
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_alternative $digit && ret=0
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fi
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;;
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esac
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return ret
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