shithub: sm2

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sm2ger: replace stupid shl/sed/grep -v/awk/sed pipeline with a single awk

previous silly tr/sed shit overflows command line length pretty quick too

--- a/bin/sm2ger

+++ b/bin/sm2ger

@@ -1,9 +1,24 @@

 #!/bin/rc -e

 p=$home/p/sm2/ger

-cd $p

-shl <db | sed 20q >>db0

-grep -v `"{awk '{print $5}' db0 | tr '

-' '|' | sed 's/\|$//;s/\|/\| /g;s/^/ /'} db >db00

-mv db00 db

+cd $p || exit

+awk -v 'nword='20 '

+{

+	d[NR] = $0

+}

+END{

+	srand()

+	for(i=1; i<=nword; i++){

+		do

+			x = int(rand()*1e6) % length(d)

+		while(! (x in d))

+		h[i] = d[x]

+		delete d[x]

+	}

+	for(i in h)

+		print h[i] >>"db0"

+	for(i in d)

+		print d[i]

+}' db >/tmp/sm2.$pid

+mv /tmp/sm2.$pid db

 's&m2' db0 >db1

 cp db1 db0