comment in bash script processed by slurm
just add another # at the beginning. ##SBATCH –mail-user… This will not be processed by Slurm
bash
Error setting certificate verify locations – Github
In my case, on windows, It was not working after setting of name, e mail as well as certificates path for git config. following command run from command prompt fixed this issue. git config –global http.sslcainfo “C:\Program Files\Git\usr\ssl\certs\ca-bundle.crt” path of your ca-bundle.crt may vary in your case.
How to get in script whether valgrind found memory leaks?
You seem to be looking for the –error-exitcode option. Since it defaults to 0, the return code from Valgrind is the same as that of the process. Set it to a non-zero value instead. From Valgrind core manual: –error-exitcode=<number> [default: 0] Specifies an alternative exit code to return if Valgrind reported any errors in the … Read more
Write a bash shell script that consumes a constant amount of RAM for a user defined time [closed]
Even if traditional Bash arrays are not supported, it may still be possible to create array-like variables using the eval command built into the particular shell. The following example script is based on some scripting I did when using BusyBox in an embedded Linux project. BusyBox uses the Almquist shell (also known as A Shell, … Read more
echo outputs -e parameter in bash scripts. How can I prevent this?
You need to use #!/bin/bash as the first line in your script. If you don’t, or if you use #!/bin/sh, the script will be run by the Bourne shell and its echo doesn’t recognize the -e option. In general, it is recommended that all new scripts use printf instead of echo if portability is important. … Read more
How to use the .* wildcard in bash but exclude the parent directory (..)?
You will need two glob patterns to cover all the potential “dot files”: .[^.]* and ..?*. The first matches all directory entries with two or more characters where the first character is a dot and the second character is not a dot. The second picks up entries with three or more characters that start with … Read more
Awk consider double quoted string as one token and ignore space in between
Another alternative would be to use the FPAT variable, that defines a regular expression describing the contents of each field. Save this AWK script as parse.awk: #!/bin/awk -f BEGIN { FPAT = “([^ ]+)|(\”[^\”]+\”)” } { print $2 } Make it executable with chmod +x ./parse.awk and parse your data file as ./parse.awk data.txt: “I … Read more
bash background process modify global variable
Upgrade 2019 Playing with bash_ipc_demo adding completion and a graph generator. Rendez-vous If you wanna have two independant process which could communicate, you have to place a rendez-vous somewhere both process can reach. This could be a simple file, a fifo pipe, a unix socket, a TCP socket or maybe else (Rexx port). bash and … Read more
All newlines are removed when saving cat output into a variable
The shell is splitting the msgs variable so echo get multiple parameters. You need to quote your variable to prevent this to happen: echo “$msgs”
Why do some people put a semicolon after an if condition in shell scripts? [duplicate]
if [ $a == $b ]; then echo “a == b” fi You can use a semicolon, or you can write then on a separate line. Either one is allowed. if [ $a == $b ] then echo “a == b” fi Having neither a ; nor a newline is a syntax error. $ if … Read more