handle SIGPIPE

.gitignore

@@ -25,6 +25,7 @@ Tzum/xml2txt
 VRT/metadata
 VRT/vrt
 bin/ISOWeek
+bin/flush
 bin/score
 bin/top20
 bin/week2files

Makefile

@@ -11,6 +11,7 @@ all:
 	make -C Tzum
 	make -C VRT
 	make bin/ISOWeek
+	make bin/flush
 	make bin/score
 	make bin/top20
 	make bin/week2files
@@ -18,6 +19,9 @@ all:
 bin/ISOWeek: cmd/ISOWeek/*.go
 	go build -o $@ $^
 
+bin/flush: cmd/flush/*.go
+	go build -o $@ $^
+
 bin/score: cmd/score/*.go
 	go build -o $@ $^
 

cmd/flush/flush.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"bufio"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func main() {
+	doOUt := true
+	chSignal := make(chan os.Signal, 1)
+	signal.Notify(chSignal, syscall.SIGPIPE)
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		line := scanner.Text()
+		select {
+		case <-chSignal:
+			doOUt = false
+		default:
+		}
+		if doOUt {
+			os.Stdout.WriteString(line + "\n")
+		}
+	}
+}

namen.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+PATH=/net/corpora/nlnieuws/bin:$PATH
+
 PROGNAME=$0
 usage() {
     echo "
@@ -120,10 +122,13 @@ case $XN in
         ;;
 esac
 
+HEAD=''
 TAIL=''
 if [ $LIMIT -gt 0 ]
 then
-    TAIL=" | head -n $LIMIT"
+    HEAD=" | flush | head -n $LIMIT"
+else
+    TAIL=" | flush"
 fi
 if [ $USEPAGER = 1 ]
 then
@@ -140,7 +145,7 @@ fi
 
 search () {
     # $'\t' in bash is een tab
-    CMD="alto $@ '$EXPR' '$TEMPLATE' | $SORT | uniq -c | sed -e 's/\([0-9]\)  */\1\t/' | sort -f -k 2 2> /dev/null | sort -n -r -k 1,1 -s 2> /dev/null | column -t -s '"$'\t'"' -c 0 2> /dev/null$TAIL"
+    CMD="alto $@ '$EXPR' '$TEMPLATE' | $SORT | uniq -c | sed -e 's/\([0-9]\)  */\1\t/' | sort -f -k 2 | sort -n -r -k 1,1 -s$HEAD | column -t -s '"$'\t'"' -c 0$TAIL"
     if [ $VERBOSE = 1 ]
     then
         echo "$CMD"