I am interested in opinions that people might have on how to quote
special characters in filenames in files in /proc.
Is there any convention already used in some other part of the
kernel?
/proc/mounts does what mount does - it uses octal escapes:
# mount /dev/sr0 "/a b" -r -t iso9660
# mount | tail -1
/dev/sr0 on /a b type iso9660 (ro)
# cat /proc/mounts | tail -1
/dev/sr0 /a\040b iso9660 ro 0 0
#
Andries
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