Skip to main content
Jonathan Leffler's user avatar
Jonathan Leffler's user avatar
Jonathan Leffler's user avatar
Jonathan Leffler
  • Member for 17 years, 1 month
  • Last seen this week
Profile Activity
Stats
759,056
reputation
114.8m
reached
13,229
answers
52
questions
Communities
View all
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
View all badges
145
gold badges
961
silver badges
1,334
bronze badges
Top tags
View all tags
30,605
Score
6,487
Posts
49
Posts %
13,609
Score
1,386
Posts
10
Posts %
8,462
Score
997
Posts
8
Posts %
7,505
Score
1,066
Posts
8
Posts %
6,509
Score
1,017
Posts
8
Posts %
6,239
Score
1,228
Posts
9
Posts %
Top posts
View all questions, answers, and articles
2213
How do I use extern to share variables between source files?
Sep 16, 2009
1603
How can I pipe stderr, and not stdout?
Feb 26, 2010
1325
Capturing multiple line output into a Bash variable
Mar 5, 2009
814
"static const" vs "#define" vs "enum"
Nov 4, 2009
730
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
614
What are the differences between Perl, Python, AWK and sed?
Dec 14, 2008
509
#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
75
190
Stack Overflow should not invite you to move a discussion to chat when one of the participants doesn't have enough reputation
121
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
View all network posts
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"