Posts by Wlady Neto • 31 points
4 posts
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answer86
viewsA: while read does not work in Unix shell script
I found the problem, ssh uses stdin causing the problem of stopping the 1 loop after only 1 pass, when I use the -n option it redirects stdin stopping the problem. Problem source: ssh "$un@$line"…
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answer86
viewsQ: while read does not work in Unix shell script
I’m writing a script and using while read twice he makes the 1 only once: un=$(echo $LOGNAME | tr '[A-Z]' '[a-z]') grep -v '^#' nodeteste.txt > auxiliar.txt while read line do ssh "$un@$line"…
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answer181
viewsA: Unix Command Grep output manipulation if no result is found
People I managed to solve this problem as follows! grep -v '^#' < arquivo.com.o.que.procuro | while read line2; do valor=$(grep -c "$line2 " arquivo.onde.estou.procurando) if [ $valor -eq 0 ];…
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votes1
answer181
viewsQ: Unix Command Grep output manipulation if no result is found
Good morning!! I am creating a script and I need that when I do a grep on a line and do not find it it return me the parameter I searched! grep "192.0.0.1 " /file.txt In the.txt file it does not…