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Checking for the correct number of arguments
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#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
exit 1
fi
Translation: If number of arguments is not (numerically) equal to 1 or the first argument is not a directory, output usage to stderr and exit with a failure status code.
More friendly er...
Regular expression for a string containing one word but not another
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answered Jun 1 '10 at 20:26
KobiKobi
121k3939 gold badges240240 silver badges276276 bronze badges
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Proper way to exit iPhone application?
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Have you tried exit(0)?
Alternatively, [[NSThread mainThread] exit], although I have not tried that it seems like the more appropriate solution.
share
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Capitalize or change case of an NSString in Objective-C
...g stringWithString:self];
[self enumerateSubstringsInRange:NSMakeRange(0, [self length])
options:NSStringEnumerationBySentences
usingBlock:^(NSString *sentence, NSRange sentenceRange, NSRange enclosingRange, BOOL *stop) {
[mutableSel...
Print variables in hexadecimal or decimal format
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cnicutarcnicutar
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How to copy Docker images from one host to another without using a repository
How do I transfer a Docker image from one machine to another one without using a repository, no matter private or public?
1...
How to switch position of two items in a Python list?
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404
i = ['title', 'email', 'password2', 'password1', 'first_name',
'last_name', 'next', 'news...
Adding console.log to every function automatically
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answered Feb 17 '11 at 21:06
WayneWayne
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What does Connect.js methodOverride do?
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bofredo
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answered Dec 4 '11 at 20:36
alessioalexalessioale...
Determine if ActiveRecord Object is New
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ndnenkov
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answered Oct 20 '11 at 22:20
John BeynonJohn Beynon
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