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How to pipe input to a Bash while loop and preserve variables after loop ends
...hopt -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 of 'job control is not active' (that is, at the command line, job control is active). Test...
How do I create an empty array in YAML?
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edited Feb 24 '11 at 22:50
answered Feb 24 '11 at 20:54
ma...
HTML - how can I show tooltip ONLY when ellipsis is activated
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edited Feb 25 '14 at 10:07
Bob
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answered Nov 6 '1...
How can I switch to a tag/branch in hg?
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anatoly techtonik
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answered Feb 25 '10 at 22:34
crazyscotcrazyscot
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Using CMake with GNU Make: How can I see the exact commands?
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edited Dec 1 '16 at 9:01
malat
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answered Ap...
Install a .NET windows service without InstallUtil.exe
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answered Oct 31 '08 at 21:49
Marc Gravell♦Marc Gravell
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How to check whether a string is Base64 encoded or not
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jquery $(window).height() is returning the document height
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edited Jan 8 '18 at 13:02
answered Oct 15 '12 at 18:48
T...
“used as value” in function call
...wLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\"...
How do I make class methods / properties in Swift?
...int("There are \(all.count) foos")
}
}
Foo.alert() // There are 0 foos
let f = Foo()
Foo.all.append(f)
Foo.alert() // There are 1 foos
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