261 lines
10 KiB
Scheme
Executable File
261 lines
10 KiB
Scheme
Executable File
#!/bin/sh
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exec guile -e main -s $0 $@
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!#
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;;
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;; Copyright (C) 2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;;
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;; This program is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by the
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;; Free Software Foundation; either version 3, or (at your option) any
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;; later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program; if not, write to the Free Software Foundation,
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;; Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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(use-modules (ice-9 getopt-long) (ice-9 optargs) (ice-9 popen) (ice-9 format))
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(use-modules (mu) (mu message))
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;; note, this is a rather inefficient way to calculate the number; for
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;; demonstration purposes only...
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;; (define* (count #:optional (EXPR ""))
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;; "Count the total number of messages. If the optional EXPR is
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;; provided, only count the messages that match it.\n"
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;; (for-each-message (lambda(msg) #f) EXPR))
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;; (define* (average FUNC #:optional (EXPR ""))
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;; "Count the average of the result of applying FUNC on all
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;; messages. If the optional EXPR is provided, only consider the messages
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;; that match it.\n"
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;; (let* ((sum 0)
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;; (n (for-each-message
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;; (lambda(msg) (set! sum (+ sum (FUNC msg)))) EXPR)))
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;; (if (= n 0) 0 (exact->inexact (/ sum n)))))
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;; (define* (average-size #:optional (EXPR ""))
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;; "Calculate the average message size. If the optional EXPR is
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;; provided, only consider the messages that match it.\n"
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;; (average (lambda(msg) (mu:msg:size msg)) EXPR))
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;; (define* (average-recipient-number #:optional (EXPR ""))
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;; "Calculate the average number of recipients (To: + CC: + Bcc:). If
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;; the optional EXPR is provided, only consider the messages that match
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;; it.\n"
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;; (average (lambda(msg)
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;; (+(length (mu:msg:to msg))
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;; (length (mu:msg:cc msg))
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;; (length (mu:msg:bcc msg)))) EXPR))
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;; (define* (frequency FUNC #:optional (EXPR ""))
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;; "FUNC is a function that takes a msg, and returns the frequency of
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;; the different values this function returns. If FUNC returns a list,
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;; update the frequency table for each element of this list. If the
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;; optional EXPR is provided, only consider messages that match it.\n"
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;; (let ((table '()))
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;; (mu:for-each-message
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;; (lambda(msg)
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;; ;; note, if val is not already a list, turn it into a list
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;; ;; then, take frequency for each element in the list
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;; (let* ((val (FUNC msg)) (vals (if (list? val) val (list val))))
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;; (for-each
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;; (lambda (val)
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;; (let ((freq (assoc-ref table val)))
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;; (set! table (assoc-set! table val
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;; (+ 1 (if (eq? freq #f) 0 freq)))))) vals))) EXPR)
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;; table))
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(define* (per-weekday #:optional (EXPR ""))
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"Count the total number of messages for each weekday (0-6 for
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Sun..Sat). If the optional EXPR is provided, only count the messages
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that match it. The result is a list of pairs (weekday . frequency).\n"
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(let* ((stats (mu:tabulate-messages
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(lambda (msg) (tm:wday (localtime (date msg)))) EXPR)))
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(sort stats (lambda(a b) (< (car a) (car b)))))) ;; in order of weekday
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(define* (mu:plot:per-weekday #:optional (EXPR ""))
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(let* ((datafile (export-pairs (per-weekday EXPR)))
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(gnuplot (open-pipe "gnuplot -p" OPEN_WRITE)))
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;; note, we cannot use the weekday "%a" support in gnuplot because
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;; demands the field to be a date field ('set xdata time' etc.)
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;; for that to work, but we cannot use that since gnuplot does not
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;; support weekdays ('%w') as a date field in its input
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(display (string-append
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"reset\n"
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"set xtics (\"Sun\" 0, \"Mon\" 1, \"Tue\" 2, \"Wed\" 3,"
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"\"Thu\" 4, \"Fri\" 5, \"Sat\" 6);\n"
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"set xlabel \"Weekday\"\n"
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"set ylabel \"# of messages\"\n"
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"set boxwidth 0.9\n") gnuplot)
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(display (string-append "plot \"" datafile "\" using 1:2 with boxes fs solid\n")
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gnuplot)
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(close-pipe gnuplot)))
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(define* (per-month #:optional (EXPR ""))
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"Count the total number of messages for each month (1-12 for
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Jan..Dec). If the optional EXPR is provided, only count the messages
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that match it. The result is a list of pairs (month . frequency).\n"
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(let* ((stats (mu:tabulate-messages
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(lambda (msg) ;; note the 1+
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(1+ (tm:mon (localtime (date msg))))) EXPR)))
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(sort stats
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(lambda(a b)
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(< (car a) (car b)))))) ;; in order ofmonth
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(define* (mu:plot:per-month #:optional (EXPR ""))
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(let* ((datafile (export-pairs (per-month EXPR)))
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(gnuplot (open-pipe "gnuplot -p" OPEN_WRITE)))
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(display (string-append
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"reset\n"
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"set xtics (\"Jan\" 1, \"Feb\" 2, \"Mar\" 3, \"Apr\" 4,"
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"\"May\" 5, \"Jun\" 6, \"Jul\" 7, \"Aug\" 8,"
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"\"Sep\" 9, \"Oct\" 10, \"Nov\" 11, \"Dec\" 12);\n"
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"set xlabel \"Month\"\n"
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"set ylabel \"# of messages\"\n"
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"set boxwidth 0.9\n") gnuplot)
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(display (string-append "plot \"" datafile "\" using 1:2 with boxes fs solid\n")
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gnuplot)
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(close-pipe gnuplot)))
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(define* (per-hour #:optional (EXPR ""))
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"Count the total number of messages for each weekday (0-6 for
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Sun..Sat). If the optional EXPR is provided, only count the messages
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that match it. The result is a list of pairs (weekday . frequency).\n"
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(let* ((stats (mu:tabulate-messages
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(lambda (msg) (tm:hour (localtime (date msg)))) EXPR)))
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(sort stats (lambda(a b) (< (car a) (car b)))))) ;; in order of hour
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(define* (mu:plot:per-hour #:optional (EXPR ""))
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(let* ((datafile (export-pairs (per-hour EXPR)))
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(gnuplot (open-pipe "gnuplot -p" OPEN_WRITE)))
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(display (string-append
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"reset\n"
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"set xlabel \"Hour\"\n"
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"set ylabel \"# of messages\"\n"
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"set boxwidth 0.9\n") gnuplot)
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(display (string-append "plot \"" datafile "\" using 1:2 with boxes fs solid\n")
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gnuplot)
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(close-pipe gnuplot)))
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(define* (per-year #:optional (EXPR ""))
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"Count the total number of messages for each year since 1970. If the
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optional EXPR is provided, only count the messages that match it. The
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result is a list of pairs (year . frequency).\n"
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(let* ((stats (mu:tabulate-messages
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(lambda (msg) (+ 1900 (tm:year (localtime (date msg)))))
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EXPR)))
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(sort stats (lambda(a b) (< (car a) (car b)))))) ;; in order of year
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(define* (mu:plot:per-year #:optional (EXPR ""))
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(let* ((datafile (export-pairs (per-year EXPR)))
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(gnuplot (open-pipe "gnuplot -p" OPEN_WRITE)))
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(display (string-append
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"reset\n"
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"set xlabel \"Year\"\n"
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"set ylabel \"# of messages\"\n"
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"set boxwidth 0.9\n") gnuplot)
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(display (string-append "plot \"" datafile "\" using 1:2 with boxes fs solid\n")
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gnuplot)
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(close-pipe gnuplot)))
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;; (define* (top-n FUNC N #:optional (EXPR ""))
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;; "Get the Top-N frequency of the result of FUNC applied on each
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;; message. If the optional EXPR is provided, only consider the messages
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;; that match it."
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;; (let* ((freq (frequency FUNC EXPR))
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;; (top (sort freq (lambda (a b) (< (cdr b) (cdr a) )))))
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;; (list-head top (min (length freq) N))))
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;; (define* (top-n-to #:optional (N 10) (EXPR ""))
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;; "Get the Top-N To:-recipients. If the optional N is not provided,
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;; use 10. If the optional EXPR is provided, only consider the messages
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;; that match it."
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;; (top-n
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;; (lambda (msg) (mu:msg:to msg)) N EXPR))
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;; (define* (top-n-from #:optional (N 10) (EXPR ""))
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;; "Get the Top-N senders (From:). If the optional N is not provided,
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;; use 10. If the optional EXPR is provided, only consider the messages
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;; that match it."
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;; (top-n
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;; (lambda (msg) (mu:msg:from msg)) N EXPR))
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;; (define* (top-n-subject #:optional (N 10) (EXPR ""))
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;; "Get the Top-N subjects. If the optional N is not provided,
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;; use 10. If the optional EXPR is provided, only consider the messages
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;; that match it."
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;; (top-n
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;; (lambda (msg) (mu:msg:subject msg)) N EXPR))
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(define* (table pairs #:optional (port (current-output-port)))
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"Display a list of PAIRS in a table-like fashion."
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(let ((maxlen 0))
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(for-each ;; find the widest in the first col
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(lambda (pair)
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(set! maxlen
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(max maxlen (string-length (format #f "~s " (car pair)))))) pairs)
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(for-each
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(lambda (pair)
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(let ((first (format #f "~s" (car pair)))
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(second (format #f "~s" (cdr pair))))
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(display (format #f "~A~v_~A\n"
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first (- maxlen (string-length first)) second) port)))
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pairs)))
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;; (define* (histogram pairs #:optional (port (current-output-port)))
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;; "Display a histogram of the list of cons pairs; the car of each pair
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;; is used for the x-asxis, while the cdr represents the y value."
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;; (let ((pairs ;; pairs may be unsorted, so let's sort first
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;; (sort (pairs) (lambda(x1 x2) (< x1 x2)))))
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(define (export-pairs pairs)
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"Export PAIRS to a temporary file, return its name. The data can
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then be used in, e.g., R and gnuplot."
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(let* ((datafile (tmpnam))
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(output (open datafile (logior O_CREAT O_WRONLY) #O0644)))
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(table pairs output)
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(close output)
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datafile))
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(define (main args)
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(let* ((optionspec '( (muhome (value #t))
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(period (value #t))
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(help (single-char #\h) (value #f))))
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(options (getopt-long args optionspec))
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(msg (string-append
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"usage: mu-msg-stats [--help] [--muhome=<muhome>] "
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"--period=<hour|day|month|year> [searchexpr]\n"))
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(help (option-ref options 'help #f))
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(period (option-ref options 'period #f))
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(muhome (option-ref options 'muhome #f))
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(restargs (option-ref options '() #f))
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(expr (if restargs (string-join restargs) "")))
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(if (or help (not period))
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(begin
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(display msg)
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(exit (if help 0 1))))
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(mu:initialize muhome)
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(cond
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((string= period "hour") (mu:plot:per-hour expr))
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((string= period "day") (mu:plot:per-weekday expr))
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((string= period "month") (mu:plot:per-month expr))
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((string= period "year") (mu:plot:per-year expr))
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(else (begin
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(display msg)
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(exit 1))))))
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;; Local Variables:
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;; mode: scheme
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;; End:
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