mirror of
git://git.9front.org/plan9front/plan9front
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73 lines
1.2 KiB
Bash
Executable file
73 lines
1.2 KiB
Bash
Executable file
#!/bin/rc
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rfork e
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nl='
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'
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fn prfile {
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echo -n `{date $flagu -f 'MMM DD hh:mm:ss ZZZ YYYY' `{walk -e m $1}}
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walk -e psM $1 | awk '{$NF="["$NF"]"; print " "$0}'
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}
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fn diffflags {
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t=()
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for(f in a b c e m n w) {
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flagname=flag$f
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if(~ $$flagname 1)
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t=(-$f $t)
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}
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echo $t
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}
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fn ysearch {
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if(~ $1 /*)
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file=$1
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if not
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file=`{pwd}^/$1
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if(test -f $file)
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prfile $file
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if not
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echo history: warning: $file does not exist >[1=2]
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old=()
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ls -Qqr /n/$dump/*/*/$file >[2] /dev/null |
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sed 's/\(([^ ]*) *([^ ]*) *([^ ]*)\)/\1\2\3/p' |
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awk '"/n/'$dump/$since'" <= $2 {next}
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$1 != qid {
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qid=$1
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gsub($1"[ \t]+", "")
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print}' |
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while(new=`$nl{read}){
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prfile $new
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if (~ $flagD 1 && ~ $#old 1)
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diff `{diffflags} $new $old
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old=$new
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}
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}
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flagfmt='D,a,b,f,c,e,m,n,w,u,d:dump,s since'
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args='[ -Dabcemnw ] [ -uf ] [ -d dumpfilesystem ] [ -s yyyymmdd ] files ...'
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if(! ifs=() eval `{aux/getflags $*} ||
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~ $#* 0 ||
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! ~ $#dump 0 && ! ~ $#dump 1 ||
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! ~ $#flags 0 && ! ~ $#flags 1) {
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aux/usage
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exit usage
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}
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if(~ $#dump 0)
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dump=dump
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if(~ $#flags 0)
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flags=`{date -f 'YYYYMMDD'}
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if(~ $#flagu 1)
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flagu=-u
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since=`{date -f 'YYYY\/MMDD' `{seconds -f 'YYYYMMDD' $flags}}
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9fs $dump
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for(arg in $*)
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ysearch $arg
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