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Jonathan Leffler's user avatar
Jonathan Leffler's user avatar
Jonathan Leffler's user avatar
Jonathan Leffler
  • Member for 15 years, 10 months
  • Last seen this week
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About

Long-time Informix user and developer, experienced in C and Unix (many variants).

Email: [email protected]

Some of my answers to (or thoughts about and experiments towards answers to) Stack Overflow Questions are available on GitHub in my SOQ repository.

FSF Member since April 2011

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Top posts
View all questions, answers, and articles
answer
2185
How do I use extern to share variables between source files?
Sep 16, 2009
answer
1559
How can I pipe stderr, and not stdout?
Feb 26, 2010
answer
1310
Capturing multiple line output into a Bash variable
Mar 5, 2009
answer
807
"static const" vs "#define" vs "enum"
Nov 4, 2009
answer
679
How can I exclude all "permission denied" messages from "find"?
Apr 17, 2009
answer
643
How to allocate aligned memory only using the standard library?
Oct 22, 2008
answer
616
What's a concise way to check that environment variables are set in a Unix shell script?
Nov 21, 2008
answer
609
What are the differences between Perl, Python, AWK and sed?
Dec 14, 2008
answer
498
#define macro for debug printing in C?
Oct 29, 2009
answer
484
How to represent multiple conditions in a shell if statement?
Sep 29, 2010
Top Meta posts
54
73
190
Stack Overflow should not invite you to move a discussion to chat when one of the participants doesn't have enough reputation
122
How can we stop SO suggesting both C and C++ tags on questions?
91
Deleted question audit 2018
73
Why is the Community User so determined to bump this question?
69
Dealing with an answer that wasn't accepted (maybe because a user is a newbie on Stack Overflow)
Top network posts
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81
Message decoder
49
How to specify group with 'chmod'
42
Unix command to delete two folders at once?
41
How to compare file timestamps in bash?
35
"Worse comes to worst" or "worst comes to worst"