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Jonathan Leffler's user avatar
Jonathan Leffler's user avatar
Jonathan Leffler's user avatar
Jonathan Leffler
  • Member for 16 years, 8 months
  • Last seen this week
Profile Activity
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756,892
reputation
113.7m
reached
13,229
answers
52
questions
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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

Badges
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145
gold badges
954
silver badges
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bronze badges
Top tags
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30,521
Score
6,487
Posts
49
Posts %
13,547
Score
1,386
Posts
10
Posts %
8,438
Score
997
Posts
8
Posts %
7,486
Score
1,066
Posts
8
Posts %
6,491
Score
1,018
Posts
8
Posts %
6,216
Score
1,229
Posts
9
Posts %
Top posts
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2211
How do I use extern to share variables between source files?
Sep 16, 2009
1593
How can I pipe stderr, and not stdout?
Feb 26, 2010
1320
Capturing multiple line output into a Bash variable
Mar 5, 2009
813
"static const" vs "#define" vs "enum"
Nov 4, 2009
720
How can I exclude all "permission denied" messages from "find"?
Apr 17, 2009
646
How to allocate aligned memory only using the standard library?
Oct 22, 2008
616
What's a concise way to check that environment variables are set in a Unix shell script?
Nov 21, 2008
612
What are the differences between Perl, Python, AWK and sed?
Dec 14, 2008
506
#define macro for debug printing in C?
Oct 29, 2009
492
How to represent multiple conditions in a shell if statement?
Sep 29, 2010
Top Meta posts
56
74
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
72
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
53
How to specify group with 'chmod'
44
Unix command to delete two folders at once?
44
How to compare file timestamps in bash?
36
"Referer" or "referrer"