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How to pipe input to a Bash while loop and preserve variables after loop ends
... in a script makes the modfied sum available after the loop:
FILECONTENT="12 Name
13 Number
14 Information"
shopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name; do ((sum+=$number)); done
echo $sum
Doing this at the command line ...
How to pass parameters to a view
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Oct 18 '11 at 12:48
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IntelliJ IDEA JDK configuration on Mac OS
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276
If you are on Mac OS X or Ubuntu, the problem is caused by the symlinks to the JDK. File | Inv...
How to declare a friend assembly?
I have 2 projects in my solution:
3 Answers
3
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How can you escape the @ character in javadoc?
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268
+50
Use the...
Oracle “Partition By” Keyword
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262
The PARTITION BY clause sets the range of records that will be used for each "GROUP" within th...
C# Iterate through Class properties
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228
You could possibly use Reflection to do this. As far as I understand it, you could enumerate t...
Git fast forward VS no fast forward merge
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312
The --no-ff option is useful when you want to have a clear notion of your feature branch. So eve...
Deserialize from string instead TextReader
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262
public static string XmlSerializeToString(this object objectInstance)
{
var serializer = n...
Hide Console Window in C# Console Application
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answered Oct 4 '10 at 8:27
Dirk VollmarDirk Vollmar
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