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Unix tool tip
Daily tips M-F on Unix utilities and related topics from .
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Unix tool tip 4h
The name 'awk' comes from the initials of its creators: Aho, Weinberger, and Kernighan
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Unix tool tip Oct 12
The option -E or --ignore-tab-expansion tells diff to ignore the distinction between tabs and spaces.
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Unix tool tip Oct 11
Split a text file into files with 50 lines each: split --lines=50 foo.txt
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Unix tool tip Oct 10
Change 'lead' to 'gold' everywhere: sed 's/lead/gold/g' somefile
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Unix tool tip Oct 9
Unix culture vs Windows culture
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Unix tool tip Oct 9
Notes on using git-replace to get rid of giant objects
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Unix tool tip Oct 8
The -n option tells sed to only print output when told to by the p command.
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Unix tool tip Oct 5
sed and awk both use -f <filename> to specify a file of commands.
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Unix tool tip Oct 4
"You have more tools, supplies and materials for the road ahead than you have road ahead. Finish something." -- Kevin Kelly, Cool Tools
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Unix tool tip Oct 4
In Emacs, editable dired mode is like piping ls output to a file, editing that file, and having the file system reflect your edits.
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Unix tool tip Oct 3
awk uses -F to specify a field separator. For example, -F: would say to use a colon as the field separator.
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Unix tool tip Oct 2
If a sed command has two addresses separated by a comma, it applies from the first address thru to the second address (inclusive).
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Unix tool tip Oct 1
"I've got dot files older than you." -- crusty old Unix hand
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Unix tool tip Oct 1
Editing by semantic units
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Unix tool tip retweeted
Tim Hopper @ TimCon 1 Oct 14
Schools should drop spelling bees and have Bash-command-flag bees instead.
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Unix tool tip retweeted
seasonally affected server Aug 28
alias holdmybeer=sudo
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Unix tool tip Sep 28
In bash, cd - takes you back to your previous directory.
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Unix tool tip Sep 27
Where the Unix philosophy breaks down
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Unix tool tip Sep 26
'For almost every purpose, shell functions are preferred over aliases.' -- Bash Reference Manual
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Unix tool tip Sep 26
How to replace a character with a newline in Emacs: M-x replace-string RET ; RET C-q C-j.
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