mirror of
git://git.code.sf.net/p/zsh/code
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95 lines
2.2 KiB
Plaintext
95 lines
2.2 KiB
Plaintext
# Log TCP output.
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#
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# Argument: Output filename.
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#
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# Options:
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# -a Append. Otherwise the existing file is truncated without warning.
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# (N.B.: even if logging was already active to it!)
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# -s Per-session logs. Output to <filename>1, <filename>2, etc.
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# -c Close logging.
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# -n/-N Turn off or on normal output; output only goes to the logfile, if
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# any. Otherwise, output also appears interactively. This
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# can be given with -c (or any other option), then no output
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# goes anywhere. However, input is still handled by the usual
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# mechanisms --- $tcp_lines and $TCP_LINE are still set, hence
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# tcp_expect still works. Equivalent to (un)setting TCP_SILENT.
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#
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# With no options and no arguments, print the current configuration.
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#
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# Per-session logs are raw output, otherwise $TCP_PROMPT is prepended
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# to each line.
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emulate -L zsh
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setopt cbases extendedglob
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local opt append sess close
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integer activity
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while getopts "ascnN" opt; do
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(( activity++ ))
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case $opt in
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# append to existing file
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a) append=1
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;;
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# per-session
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s) sess=1
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;;
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# close
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c) close=1
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;;
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# turn off interactive output
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n) TCP_SILENT=1
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;;
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# turn on interactive output
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N) unset TCP_SILENT
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;;
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# incorrect option
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\?) return 1
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;;
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# correct option I forgot about
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*) print "$0: option -$opt not handled, oops." >&2
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return 1
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;;
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esac
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done
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(( OPTIND > 1 )) && shift $(( OPTIND - 1))
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if [[ -n $close ]]; then
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if (( $# )); then
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print "$0: too many arguments for -c" >&2
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return 1
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fi
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unset TCP_LOG TCP_LOG_SESS
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return 0
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fi
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if (( $# == 0 && ! activity )); then
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print "\
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Per-session log: ${TCP_LOG_SESS:-<none>}
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Overall log: ${TCP_LOG:-<none>}
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Silent? ${${TCP_SILENT:+yes}:-no}"
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return 0
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fi
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if (( $# != 1 )); then
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print "$0: wrong number of arguments" >&2
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return 1
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fi
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if [[ -n $sess ]]; then
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TCP_LOG_SESS=$1
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if [[ -z $append ]]; then
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local sesslogs
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integer i
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sesslogs=(${TCP_LOG_SESS}*(N))
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# yes, i know i can do this with multios
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for (( i = 1; i <= $#sesslogs; i++ )); do
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: >$sesslogs[$i]
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done
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fi
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else
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TCP_LOG=$1
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[[ -z $append ]] && : >$TCP_LOG
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fi
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return 0
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