ml-exim at reisman
Apr 6, 2012, 9:10 AM
Post #1 of 1
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Expansion strings for processing maildirsize files
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I've collected a set of expansion strings for processing Maildir++
maildirsize files directly within Exim without need for outside helper
scripts.
To test, put the expansion strings (including comments) into a file
named "strings", create a local "maildirsize" file (sample data below),
and enter the command:
exim4 -be <strings
Hopefully, the mailing list will find these useful.
Steve
Sample maildirsize file:
8388608S,1000C
6923289 971
12368 2
76575 3
96002 7
-184945 -12
-184945 -12
24087 1
24087 1
4021 1
3653 1
8739 1
24087 1
-40500 -4
-27740 -2
maildirsize expansion strings:
# maildirsize file (using : as eol string)
${readfile{maildirsize}{:}}
# first line of file
${sg{${readfile{maildirsize}{:}}}{:.*}{}}
# maildir size quota
${sg{${sg{${readfile{maildirsize}{:}}}{:.*}{}}}{S.*}{}}
# message count quota
${sg{${sg{${readfile{maildirsize}{:}}}{C.*}{}}}{[^,]*,}{}}
# extract lines 2 though the end-of-file
${sg{${readfile{maildirsize}{:}}}{^[^:]*:}{}}
# extract first number from lines 2+
${sg{${sg{${readfile{maildirsize}{:}}}{^[^:]*:}{}}}{ [-0-9]*:}{:}}
# sum of the numbers in the above list (cumulative size)
# using "reduce"
${reduce{${sg{${sg{${readfile{maildirsize}{:}}}{^[^:]*:}{}}}\
{ [-0-9]*:}{:}}}{0}{${eval:$value+$item}}}
# using "eval"
${eval:${sg{${sg{${sg{${readfile{maildirsize}{:}}}{^[^:]*:}{}}}\
{ [-0-9]*:}{:}}0}{:}{+}}}
# extract second number from lines 2+
${sg{${sg{${readfile{maildirsize}{:}}}{^[^:]*:}{}}}{[-0-9]+ }{}}
# sum of the numbers in the above list (message count)
# using "reduce"
${reduce{${sg{${sg{${readfile{maildirsize}{:}}}{^[^:]*:}{}}}\
{[-0-9]+ }{}}}{0}{${eval:$value+$item}}}
# using "eval"
${eval:${sg{${sg{${sg{${readfile{maildirsize}{:}}}{^[^:]*:}{}}}\
{[-0-9]+ }{:}}0}{:}{+}}}
--
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