linux/lib/raid6/unroll.awk
David Woodhouse 2144381da4 Merge branch 'async' of macbook:git/btrfs-unstable
Conflicts:
	drivers/md/Makefile
	lib/raid6/unroll.pl
2010-08-09 10:36:44 +01:00

21 lines
424 B
Awk

# This filter requires one command line option of form -vN=n
# where n must be a decimal number.
#
# Repeat each input line containing $$ n times, replacing $$ with 0...n-1.
# Replace each $# with n, and each $* with a single $.
BEGIN {
n = N + 0
}
{
if (/\$\$/) { rep = n } else { rep = 1 }
for (i = 0; i < rep; ++i) {
tmp = $0
gsub(/\$\$/, i, tmp)
gsub(/\$\#/, n, tmp)
gsub(/\$\*/, "$", tmp)
print tmp
}
}