I am confused by “one only dot – space – shell script name” (like . myshellscript) and “path to shell script” (like ./myshellscript) commands. What for they are? I noticed the command . myshellscript executes shell script even with -rw-rw-r–. But ./myshellscript doesn’t. So I am confused. Answers: Thank you for visiting the Q&A section … Read more
I am under the following restrictions:
I intend to pipe the output of a program into a while read VAR loop and break when a pattern is found, but it doesn’t.
I have two files with approximately 12900 and 4400 entries respectively, that I want to join. The files contain location information for all landbased weather observing stations around the globe.
The largest file is updated biweekly, and the smaller once a year or so. The original files can be found here (http://www.wmo.int/pages/prog/www/ois/volume-a/vola-home.htm and
http://weather.rap.ucar.edu/surface/stations.txt). The files I have are already manipulated by me with some mixed awk, sed, and bash script. I use the files to visualize data using the
GEMPAK package, that is freely available from Unidata. The largest file will work with GEMPAK, but only not with its full capability. For this a join is needed.
I’m planning a backup strategy based on rsnapshot.
When I press AltUp, A printed to terminal screen. Same thing happened when I pressed AltDown but B is printed instead.
I’m used to bash‘s builtin read function in while loops, e.g.:
What’s the + in find /path/ -exec command '{}' + do? as opposed to find /path/ -exec command '{}' ;
I have a web server where I have run out of space and it’s causing issues with the WordPress sites I am running on them.
If I want to see all relevant log files of my apache2 server at once, I use