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.TH MEWL 1 "March 5, 2003"
.SH NAME
mewl - Message scanner for Mew 4 or later
.\"
.SH SYNOPSIS
mewl
.RI [ options ]
.RI [ folder
.RI [ range ]]
.\"
.SH DESCRIPTION
The
.B mewl
utility extracts necessary fields from messages stored in folders.
This command is necessary for Mew to implement the asynchronous feature.
.PP
The options are as follows:
.TP 8
.B \-a
Print all necessary fields when picking.
.TP 8
.BI \-b " dir"
Set the Mail home to
.IR dir .
.TP 8
.BI \-c " bodylen"
Set the max body length to be extracted to
.IR bodylen .
.TP 8
.BI \-d " field"
Set the field to be extracted to
.IR field .
.TP 8
.BI \-e " command"
Specify an external
.I command
to fetch mailbox.
.TP 8
.BI \-m " options"
Specify 
.I options
for
.IR command .
.TP 8
.BI \-f " fields"
Specify 
.I fields
to display.
.TP 8
.B \-h
Display this help message.
.TP 8
.BI \-i " file"
Set the input stream to
.IR file .
.TP 8
.BI \-l " length"
Set the max field length to be extracted to
.IR length .
The default value is 3. 0 means no limit.
.TP 8
.B \-n
Don't use fstat().
.TP 8
.BI \-p " pattern"
Specify the pick
.IR pattern .
.TP 8
.BI \-s " src"
Set message source to
.I src
: '+folder range'.
.TP 8
.B \-w
Wait for stdio input to synchronize.
.TP 8
.B \-v
Display the version.
.TP 8
.BI \-x " suffix"
Use this 
.IR suffix .

Definitions of the symbols above are as follows:
.TP 8
.I range
N | [start]-[end] | last:N
.TP 8
.I pattern
\'key=val' | 'key!=val' | '!<pattern>' | '(<pattern>)'
| '<pattern>&<pattern>' | '<pattern>|<pattern>' 

.\"
.SH BUGS
If a field is long, only the beginning three lines are extracted 
by default.
.\"