Tagged Questions
The command-line is the interactive interface to your shell.
2
votes
3answers
58 views
Linux ls to show only filename date and size
How can I use ls in linux to get a listing of filenames date and size only. I don't need to see the other info such as owner or permission. Is this possible?
2
votes
0answers
22 views
How can I generate CMYK images via the command line under Linux?
I have an application I have developed which is generating RGB PNG images with text on them via imageMagic, like so:
convert -size 1000x1000 -density 300 xc:white -pointsize 24 \
-fill "rgb(0,0,0)" ...
3
votes
5answers
75 views
Conflict between my prompt definition and cat in zsh
I have a file on a remote filesystem that I know has a short text string in it (a sequence of numbers in a single line). If I open the file on a text editor like nano or Emacs I can see the string. ...
3
votes
4answers
134 views
ls command operating differently depending on recipient
How does commands like ls know what its stdout is?
It seems ls is operating different depending on what the target stdout is. For example if I do:
ls /home/matt/tmp
the result is:
a.txt b.txt ...
2
votes
3answers
43 views
How to watch rss feed for new entries from bash script?
I need to watch a RSS feed from our hudson ci server.
Each time a new entry is available i want to play a sound by calling #>play sound.wav.
Does anyone know a tool which can watch a rss-feed and ...
1
vote
1answer
20 views
Success/fail tests for cURL (don't execute second line if first line fails)
According to
Using "&&" is not effective for cURL submit form (don't execute second line if first line fails)
In below code; first line is curl submit; second line is for ...
2
votes
2answers
59 views
Using “&&” is not effective for cURL submit form (don't execute second line if first line fails)
I'm submitting to my website using cURL. I make cURL post it in timely fashion.
In below code; first line is curl submit; second line is for queuing:
curl -b cookies.txt \
-d title="$(sed ...
3
votes
4answers
76 views
How to send stderr to stdout with a pipe to another command?
I'm trying to capture all of the output of a build operation, and send it to myprogram. I seem to only be able to capture part of it. This is what I'm trying:
make clean && make ...
1
vote
2answers
42 views
How to keep overwriting the contents of a file instead of appending to it
How do I clear the contents of a file before writing to it? For example:
echo one > filename.tmp
# filename.tmp now contains "one"
echo two > filename.tmp
# filename.tmp should now contain ...
1
vote
5answers
137 views
Display output to console while grep is used
In vim I use the following command to compile a tex file:
pdflatex\ \-file\-line\-error\ \-shell\-escape\ \-interaction=nonstopmode\ $*\\\|\ grep\ \-P\ ':\\d{1,5}:\ '
this works in terms of getting ...
3
votes
8answers
93 views
linux diff tools: create list of modified files
How do I create a list of modified files programmatically using linux command line tools? I'm not interested in the difference in any particular file (delta, patch). I just want to have a list of new ...
1
vote
2answers
139 views
How to exit login screen and start commandline while at login screen
I am at the gnome 2 login screen but I want to exit and re-enter command-line environment. I remember there was a combination hot key one has to invoke.
5
votes
4answers
205 views
Single dashes `-` for single-character options, but double dashes `--` for words?
Where did the convention of using single dashes for letters and doubles dashes for words come from and why is continued to be used?
For example if I type in ls --help, you see:
-a, --all ...
1
vote
1answer
58 views
grep - recognize carriage return as new line [closed]
I want to search a webserver running unix for php-files containing a specific string. Usually I use these commands to accomplish this:
find . -name "*.php" -print0 | xargs -0 grep -H -i "the string ...
1
vote
2answers
40 views
lsof for a specific process?
There's a bzip2 process running in the background and I have no idea where it came from. It's eating up a lot of resources. Can I do a reverse lsof to see which files are being accessed by this ...
