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How to pipe input to a Bash while loop and preserve variables after loop ends
... 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 usually runs foul ...
Typescript: difference between String and string
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edited Feb 6 '13 at 11:14
answered Feb 6 '13 at 11:04
Fen...
Authenticating in PHP using LDAP through Active Directory
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edited Jan 8 '14 at 21:33
answered Oct 5 '08 at 14:10
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warning: [options] bootstrap class path not set in conjunction with -source 1.5
...r JDK to compile.
– dhardy
Jul 16 '14 at 13:34
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Apply CSS style attribute dynamically in Angular JS
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KingOfHypocrites
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answered Jan 26 '14 at 14:25
StarsSkyStarsSky
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Adding console.log to every function automatically
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edited Jul 15 '13 at 19:54
answered Feb 17 '11 at 21:06
Wa...
Define preprocessor macro through CMake?
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394
For a long time, CMake had the add_definitions command for this purpose. However, recently the c...
What is the difference between assert, expect and should in Chai?
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answered Jan 28 '14 at 12:01
LouisLouis
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Regex Named Groups in Java
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edited Dec 29 '17 at 10:47
Артем Носов
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answered Jan 6 ...