[ad_1] This answer has been rewritten since the downvote. I learned from and upvoted @FDS’s answer here, because it is good and correct. But, here’s a form I find easier to read and understand. So, here is my preferred version: Explanation: The ...
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[ad_1] Exporting the function should do it (untested): export -f echo_var seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "[email protected]"' _ {} You can use the builtin printf instead of the external seq: printf ...
[ad_1] You have an OpenSSH format key and want a PEM format key. It is not intuitive to me, but the suggested way to convert is by changing the password for the key and writing it in a ...
Alex HalesTeacher
[ad_1] What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash? [ad_2]
[ad_1] This one covers all possibilities! (dot in the path or not; with extension or no extension): tmp1=${filename##*/};tmp2=${tmp1:1};filename_noextension=$(echo -n ${tmp1:0:1};echo ${tmp2%.*});echo $filename_noextension Notes: It gives you the filename without any extension. So there is no path in the $filename_noextension variable. You end ...
[ad_1] Check if bash variable equals 0 [duplicate] [ad_2]
[ad_1] If one’s find does not have -mmin and if one also is stuck with a find that accepts only integer values for -mtime, then all is not necessarily lost if one considers that “older than” is similar ...
[ad_1] Edit: This is a more complete version that shows more differences between [ (aka test) and [[. The following table shows that whether a variable is quoted or not, whether you use single or double brackets and whether ...
[ad_1] Update: Some people say one should -never- use eval. I disagree. I think the risk arises when corrupt input can be passed to eval. However there are many common situations where that is not a risk, and ...
[ad_1] if you’re concerned about screwy filenames : md5sum < "${file_name}" | awk NF=1 f244e67ca3e71fff91cdf9b8bd3aa7a5 other messier ways to deal with this : md5sum "${file_name}" | awk NF=NF OFS= FS=' .*$' ...