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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 ...
What is `git diff --patience` for?
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edited Jun 20 at 9:12
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answered Oct 28 '10 at 16:34
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Can you do this HTML layout without using tables?
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edited Feb 7 '09 at 2:20
answered Feb 7 '09 at 2:11
G...
How to copy an object in Objective-C
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192
As always with reference types, there are two notions of "copy". I'm sure you know them, but for...
Find method references in Xcode
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253
Select the method you're interested in, or position the text cursor within it.
Open the "Rela...
LINQ to read XML
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226
Try this.
using System.Xml.Linq;
void Main()
{
StringBuilder result = new StringBuilder(...
What does gcc's ffast-math actually do?
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2 Answers
2
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.aspx vs .ashx MAIN difference
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edited Jan 27 '17 at 13:38
bwegs
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How to use relative/absolute paths in css URLs?
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127
The URL is relative to the location of the CSS file, so this should work for you:
url('../../i...
Learning Ant path style
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edited Jun 20 at 9:12
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111 silver badge
answered Mar 25 '14 at 13:30
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