code: plan9front

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history: fix walking and handling files with spaces

--- a/rc/bin/history

+++ b/rc/bin/history

@@ -6,7 +6,7 @@

 fn prfile {

 	echo -n `{date $flagu -f 'MMM DD hh:mm:ss ZZZ YYYY' `{walk -e m $1}}

-	walk -e psM $1 | awk '{printf " %s %lld [%s]\n", $1,$2,$3,$4}'

+	walk -e psM $1 | awk '{$NF="["$NF"]"; print " "$0}'

 }

 fn diffflags {

@@ -31,12 +31,12 @@

 		echo history: warning: $file does not exist >[1=2]

 	old=()

-	ls -qr /n/$dump/*/*/$file >[2] /dev/null |

+	ls -Qqr /n/$dump/*/*/$file >[2] /dev/null |

 	sed  's/\(([^ ]*) *([^ ]*) *([^ ]*)\)/\1\2\3/p' |

 	awk '"/n/'$dump/$since'" <= $2 {next}

 	     $1 != qid {

 		qid=$1

-		gsub($1, "")

+		gsub($1"[ \t]+", "")

 		print}' |

 	while(new=`$nl{read}){

 		prfile $new