[PATCH] man page with included placeholder list

mention the printf-like support for string substitution in the NAME field
This commit is contained in:
kay.sievers@vrfy.org 2003-11-19 06:18:54 -08:00 committed by Greg KH
parent db7a38df63
commit 4b710f033e
1 changed files with 20 additions and 0 deletions

20
udev.8
View File

@ -72,6 +72,23 @@ calling external program, that returns a string to match
.br
keys: \fBBUS\fP, \fBPROGRAM\fP, \fBID\fP
.P
The name field supports simple printf-like string subtitution:
.RS
.TP
.B %n
the "kernel number" of the device
for example, 'sda3' has a "kernel number" of '3'
.TP
.B %M
the kernel major number for the device
.TP
.B %m
the kernel minor number for the device
.TP
.B %b
the bus id for the device
.RE
.P
A sample \fIudev.conf\fP might look like this:
.sp
.nf
@ -89,6 +106,9 @@ REPLACE, KERNEL="ttyUSB1", NAME="pda"
# if /sbin/scsi_id returns "OEM 0815" device will be called disk1
CALLOUT, PROGRAM="/sbin/scsi_id" BUS="scsi", ID="OEM 0815" NAME="disk1"
# USB webcams to be called webcam0, webcam1, ...
LABEL, BUS="usb", model="WebCam Version 3", NAME="webcam%n"
.fi
.P
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