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newt: honor environment variables $editor and $pager

--- a/rc/bin/newt

+++ b/rc/bin/newt

@@ -6,6 +6,8 @@

 argv0=$0

 if(~ $#editor 0)

 	editor=hold

+if(~ $#pager 0)

+	pager=cat

 group=alt/test

 maxposts=30

 mnt=/mnt/news

@@ -97,7 +99,8 @@

 	f $mnt/$* |

 		grep -v -e '\/([0-9]+|article|body|header|post|xover)$' |

 		sed 's/^'$"kmnt'\//  g	/g' |

-		sort

+		sort |

+		eval $pager

 }

 fn nshift{ shift; echo $* }

 fn printhelp{

@@ -121,7 +124,7 @@

 ||cmd		pipe raw message to a command

 ?		print debug information'

 }

-fn p{

+fn np{

 	if(test $1 -le $#rposts && test -f $mnt/$group/$rposts($1)^/body){

 		{ # don't stutter

 			grep -e '(^From|^Newsgroups|^Subject|^Date)' $rposts($1)^/header

@@ -128,7 +131,7 @@

 			echo

 			cat $rposts($1)^/body

 		} >/tmp/p

-		cat /tmp/p

+		eval $pager /tmp/p

 	}

 	echo

 	go=1

@@ -138,7 +141,7 @@

 }

 fn P{

 	if(test $1 -le $#rposts && test -f $mnt/$group/$rposts($1)^/article)

-		cat $rposts($1)^/article

+		eval $pager $rposts($1)^/article

 	echo

 	go=1

 	r=$1

@@ -262,10 +265,11 @@

 		k `{nshift $cmd | sed 's/\./\//g'}

 	case kf' '*

 		grep -e `{nshift $cmd} $home/lib/newsgroups |

-			sed 's/^/  g	/g'

+			sed 's/^/  g	/g' |

+			eval $pager

 	case p

 		for(i in $r)

-			p $i

+			np $i

 	case P

 		for(i in $r)

 			P $i

@@ -291,6 +295,8 @@

 		cmd=`{echo $"cmd | sed 's/^\|//g'}

 		cat $mnt/$group/^$rposts($post)^/body | eval $cmd

 	case '?'

+		echo editor: $editor

+		echo pager: $pager

 		echo mnt: $mnt

 		echo group: $group

 		echo maxposts: $maxposts

@@ -302,12 +308,12 @@

 		echo r: $r

 	case *

 		if(~ $post $posts(1) && ~ $#go 0)

-			p $post

+			np $post

 		if not if(! ~ $post $posts($#posts)){

 			post=`{echo $post^+1 | bc}

 			if(test $post -gt $posts($#posts))

 				post=$posts($#posts)

-			p $post

+			np $post

 		}

 	}	

 }

--- a/sys/man/1/newt

+++ b/sys/man/1/newt

@@ -142,6 +142,12 @@

 .TP

 \fB"\fP

 Print the current message in quoted form, suitable for reply.

+.PP

+The environment variables

+.B $editor

+and

+.B $pager

+are honored.

 .SH FILES

 .B $home/lib/newsgroups

 list of newsgroups, one per line

-- 

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