---
name: "guimb"
section: "1"
platform: "linux"
package: "mailutils-guile"
version: "1:3.19-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/guimb"
---

# guimb(1)

apply a scheme function to each message in mailboxes

## NAME

guimb - apply a scheme function to each message in mailboxes

## SYNOPSIS

**guimb** \[*OPTIONS*\] \[*MAILBOX* \[*MAILBOX*...\]\]

## DESCRIPTION

guimb **--** apply a scheme function to each message in mailboxes

The following options stop argument processing, and pass the remaining arguments to the guimb-getopt function, if it is defined in the module:

- **-c**, **--code**=*EXPR*

  execute given Scheme expression

- **-s**, **--source**=*MODNAME*

  load Scheme module MODNAME

The following options have the same effect, but do not affect further options parsing:

- **-e**, **--expression**=*EXPR*

  execute given Scheme expression

- **-f**, **--file**=*MODNAME*

  load Scheme module MODNAME

The module to be loaded is normally defined in a file named MODNAME.scm somewhere in your %load-path.

Other options:

- **-M**, **--mailbox**=*NAME*

  set output mailbox name

- **-u**, **--user**\[=*NAME*\]

  direct output to the system mailbox of the user NAME (default - current user)

- **-r**, **--read-only**

  open mailbox in read-only mode

Script arguments:

- **-g**, **--guile-arg**=*ARG*

  append ARG to the command line passed to script

- \-{ args... -}

  append args to the command line passed to script

- **--lparen** args... **--rparen**

  likewise

- **-L**, **--load-path**=*PATH*

  append PATH to the beginning of the %load-path

- \-?, **--help**

  give this help list

- **--usage**

  give a short usage message

- **-V**, **--version**

  print program version

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

## REPORTING BUGS

Report bugs to \<bug-mailutils@gnu.org\>.

## SEE ALSO

The complete GNU mailutils documentation is maintained as a Texinfo manual. If the **mailutils-doc** package is installed, the command

-

  **info mailutils**

should give you access to the complete manual.\
 You can also find this manual online in the GNU mailutils webpage:\
 https://www.gnu.org/software/mailutils/manual/index.html.\
 Please note this manpage was automatically generated by the Debian mailutils packagers. Do not file bugs for its content to the GNU Mailutils upstream authors.