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- #!/usr/bin/env -S guile -e main -s
- !#
- (add-to-load-path (dirname (dirname (current-filename))))
- (use-modules (ice-9 getopt-long)
- (ice-9 pretty-print)
- (ice-9 textual-ports)
- (grump parse tcpflow)
- (grump utils))
- (define (print-help args)
- (display (string-append "\
- usage: " (car args) " [options] [input] [output]
- options:
- -h, --help Display this help
- -d, --debug Print debug logs to stderr
- Parse the output of \"tcpflow -D\" from input (default stdin) and
- write the parsed s-exp to output (default stdout).
- ")))
- (define (main args)
- (let* ((option-spec '((help (single-char #\h) (value #f))
- (debug (single-char #\d) (value #f))))
- (options (getopt-long args option-spec))
- (help-wanted (option-ref options 'help #f))
- (debug-wanted (option-ref options 'debug #f))
- (extra-args (option-ref options '() '()))
- (extra-arg-count (length extra-args))
- (input-file (if (> extra-arg-count 0) (car extra-args) "-"))
- (output-file (if (> extra-arg-count 1) (cadr extra-args) "-")))
- (if help-wanted
- (print-help args)
- (begin
- (when debug-wanted
- (fluid-set! %grump-debug-enabled #t)
- (fluid-set! %grump-debug-to-error #t))
- (let* ((input-port (if (equal? input-file "-")
- (current-input-port)
- (open-input-file input-file)))
- (output-port (if (equal? output-file "-")
- (current-output-port)
- (open-output-file output-file)))
- (input-text
- (time! "Read input text"
- (get-string-all input-port)))
- (parsed-data
- (time! "Parse tcpflow data"
- (parse-tcpflow input-text))))
- (time! "Pretty-print parsed data"
- (pretty-print parsed-data output-port)))))))
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