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162 lines
4.7 KiB
Groff
162 lines
4.7 KiB
Groff
.Dd July 30, 2020
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.Dt MPICK 1
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.Os
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.Sh NAME
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.Nm mpick
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.Nd advanced message filter
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.Sh SYNOPSIS
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.Nm
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.Op Fl F Ar file
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.Op Fl T
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.Op Fl v
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.Op Fl t Ar test
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.Op Ar msgs\ ...
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.Sh DESCRIPTION
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.Nm
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prints all matching messages.
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.Pp
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If used interactively,
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.Nm
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will default to the current sequence.
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Otherwise,
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.Nm
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will read filenames from the standard input.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl F Ar file
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Read expression from
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.Ar file
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and only show matching messages, see
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.Sx TESTS .
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.It Fl T
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Include whole thread.
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.It Fl t Ar test
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Only show messages matching the expression
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.Ar test ,
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see
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.Sx TESTS .
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.It Fl v
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Print how many messages were tested and picked to standard error.
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.El
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.Sh TESTS
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.Nm
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tests are given by the following EBNF:
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.Bd -literal
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<expr> ::= <expr> ? <expr> : <expr> -- ternary operator
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| <expr> || <expr> -- disjunction
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| <expr> && <expr> -- conjunction
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| ! <expr> -- negation
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| ( <expr> )
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| <expr> "|" <str> -- pipe current mail to command
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| <expr> ">>" <str> -- append current mail to file
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| <expr> ">" <str> -- write current mail to file
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| <flagprop>
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| <timeprop> <numop> <dur>
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| <numprop> <numop> <num>
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| <hdrprop> <decodeop> <strop> <str>
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| <strprop> <strop> <str>
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| prune -- do not match further messages in thread
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| print -- always true value
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| skip -- always false value
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| <let>
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| <ident>
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<flagprop> ::= child | draft | flagged | info | new | parent | passed
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| replied | seen | selected | trashed
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<timeprop> ::= atime | ctime | mtime | date
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<numprop> ::= depth | kept | replies | index | size | total
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<numop> ::= <= | < | >= | > | == | = | !=
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<dur> ::= "./path" -- mtime of relative path
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| "/path" -- mtime of absolute path
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| "YYYY-MM-DD HH:MM:SS"
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| "YYYY-MM-DD" -- at midnight
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| "HH:MM:SS" -- today
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| "HH:MM" -- today
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| "-[0-9]+d" -- n days ago at midnight
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| "-[0-9]+h" -- n hours before now
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| "-[0-9]+m" -- n minutes before now
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| "-[0-9]+s" -- n seconds before now
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| [0-9]+ -- absolute epoch time
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<num> ::= [0-9]+ ( c -- *1
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| b -- *512
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| k -- *1024
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| M -- *1024*1024
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| G -- *1024*1024*1024
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| T )? -- *1024*1024*1024*1024
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| cur -- index of cur message
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<hdrprop> ::= from | to | subject | <str>
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<decodeop> ::= . addr -- match address parts
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| . disp -- match address display parts
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| -- empty matches raw headers
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<strprop> ::= path
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<strop> ::= == | = | != -- string (in)equality
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| === | !=== -- case insensitive string (in)equality
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| ~~ | !~~ -- glob (fnmatch)
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| ~~~ | !~~~ -- case insensitive glob (fnmatch)
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| =~ | !=~ | !~ -- POSIX Extended Regular Expressions
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| =~~ | !=~~ -- case insensitive POSIX Extended Regular Expressions
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<str> ::= " ([^"] | "")+ " -- use "" for a single " inside "
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| $[A-Za-z0-9_]+ -- environment variable
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-- let expressions evaluate the expression following the `in` keyword,
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-- the bindings are lazily evaluated.
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<let> ::= { let <ident> = <scope> } in <scope>
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-- Inside the scope previously defined idents are replaced with expressions
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<scope> ::= <expr>
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<ident> ::= [A-Za-z_][A-Za-z0-9_]+
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.Ed
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.Sh EXIT STATUS
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.Ex -std
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.Sh EXAMPLES
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You can pick mails to move them into another
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.Dv maildir .
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.Pp
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.Dl mv $(mlist ./INBOX | mpick -t 'from =~ \&"@github\&"') ./github/cur
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.Pp
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Or you can use
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.Nm
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to pick mails from the current sequence.
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.Pp
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.Dl mpick -t 'subject =~~ \&"mblaze\&"' | mscan
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.Pp
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A more advanced
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.Nm
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expression to pick mails in a certain time span,
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which are flagged as replied or not seen.
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.Bd -literal -offset indent
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mpick -t 'date >= \&"2016-01-01\&" && date < \&"2017-01-01\&" && (replied || !seen)'
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.Ed
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.Pp
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And to find other mblaze users.
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.Pp
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.Dl mpick -t '"User-Agent" =~~ \&"mblaze\&"' | mscan
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.Sh SEE ALSO
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.Xr lr 1 ,
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.Xr mailx 1
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.Sh AUTHORS
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.An Leah Neukirchen Aq Mt leah@vuxu.org
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.An Duncan Overbruck Aq Mt mail@duncano.de
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.Sh LICENSE
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.Nm
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is in the public domain.
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.Pp
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To the extent possible under law,
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the creator of this work
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has waived all copyright and related or
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neighboring rights to this work.
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.Pp
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.Lk http://creativecommons.org/publicdomain/zero/1.0/
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