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New posts in unix
How to delimit file with "\t\n" on a Mac
Feb 24, 2026
string
macos
shell
unix
replace
UNIX wc -l with line length restriction
Feb 24, 2026
shell
unix
lines
wc
Replace only the first matching line while preserving leading whitespace
Feb 23, 2026
unix
sed
How to print directories containing two files matching two different patterns?
Feb 22, 2026
bash
unix
find
Pollable signalling between threads
Feb 23, 2026
c++
c
unix
Unix Domain Socket concurrent read/write on both ends
Feb 23, 2026
c
multithreading
unix
posix
unix-socket
What is the difference between $(()) and expr? [closed]
Feb 22, 2026
linux
bash
unix
terminal
expr
Does sed -n '1s/pattern/substitute/p' parse the whole file or quit after line 1?
Feb 22, 2026
unix
sed
Search and replace $ signs with sed
Feb 22, 2026
bash
unix
sed
replace
SCP a file that match a particular pattern and extension
Feb 22, 2026
linux
unix
scp
How to disable cd command-line?
Feb 22, 2026
bash
shell
unix
command-line
cd
Why does MySQL's ENCRYPT return different results on each call?
Feb 22, 2026
mysql
linux
unix
hash
crypt
How do I turn a text file with a single column into a matrix?
Feb 21, 2026
linux
bash
unix
text
awk
UNIX Parse HTML Page Display Contents of a Tag - One Liner?
Feb 21, 2026
linux
unix
grep
html-parsing
cut
Remove lines containing space in unix
Feb 21, 2026
linux
shell
unix
sed
awk
How to make the scp retry till it succeds in case of a failed attempt?
Feb 19, 2026
perl
unix
scp
Glob matching only returning first match
Feb 18, 2026
bash
shell
unix
command-line
parameters
I cannot write to stdin with /proc/{pid}/fd/0
Feb 20, 2026
c
bash
ubuntu
unix
How to create cron job that will run every month on second tuesday
Feb 18, 2026
unix
cron
cron-task
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