36 lines
730 B
Bash
Executable file
36 lines
730 B
Bash
Executable file
#!/bin/rc
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# Usage: lookman key ...
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# prints out the names of all manual pages containing all the given keywords
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rfork e
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index=/sys/lib/man/lookman/index
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t1=/tmp/look1.$pid
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t2=/tmp/look2.$pid
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fn sigexit {
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rm -f $t1 $t2
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exit
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}
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fn sigint sighup sigterm {
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rm -f $t1 $t2
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exit note
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}
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*=`{echo $*|tr A-Z a-z|tr -dc 'a-z0-9_. \012'} # fold case, delete funny chars
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if(~ $#* 0){
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echo Usage: lookman key ... >/fd/2
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exit usage
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}
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look $1 $index | sed 's/.* //' | sort -u >$t1
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shift
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for(i in $*){
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look $i $index | sed 's/.* //' | sort -u |
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awk 'BEGIN {
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while (getline < "'$t1'" > 0)
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table[$0] = 1
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}
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{ if (table[$0]) print }
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' > $t2
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mv $t2 $t1
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}
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sort $t1 | sed 's;/sys/man/;;
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s;(.*)/(.*);man \1 \2 # \2(\1);'
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exit ''
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