Trap Ctrl-C in a Bash script
How to trap Ctrl-C in a Bash script?
The piece of code:
# trap ctrl-c and call ctrl_c()
trap ctrl_c INT
function ctrl_c() {
echo
echo "Ctrl-C by user"
# do the jobs
exit
}
How to trap Ctrl-C in a Bash script?
The piece of code:
# trap ctrl-c and call ctrl_c()
trap ctrl_c INT
function ctrl_c() {
echo
echo "Ctrl-C by user"
# do the jobs
exit
}
“Comments” and “tracking changes” are nice features of the opensource LibreOffice software (and other Office software) to add comments and track changes in documents. OpenDocument ODT and MS Word DOCX/DOC file formats all support comments and change trackings. When we print the documents, how to print the comments in the page margins too in LibreOffice?…
This post summarizes Linux Kernel new features, bugfixes and changes in Linux 4.9.60 Release. Linux 4.9.60 Release contains 24 changes, patches or new features. In total, there are 64,224 lines of Linux source code changed/added in Linux 4.9.60 release compared to Linux 4.9 release. To view the source code of Linux 4.9.60 kernel release online,…
How to get the native assembly code (e.g. x86-64 asm) for OCaml code generated by the native ocamlopt compiler? To get the assembly code for an OCaml program, add these parameters to ocamlopt: -S -inline 20 -nodynlink An example is as follows. The OCaml program: $ cat not.ml let not x = ((x – 1)…
How to set up Firefox Sync? The online Firefox help provides a very good tutorial on setting up Firefox sync across computers and other devides: http://support.mozilla.org/en-US/kb/how-do-i-set-up-firefox-sync Read more: Firefox: how to sync bookmarks saved on iOS devices to Firefox on PC? Is Firefox Sync safe, that is, could someone else read my password saved in…
I come across some closed source software that only provides .deb packages. Fedora manages packages with rpm/yum. How to install the .deb packages on Fedora? Alien is a tool to convert .deb package to .rpm package: http://joeyh.name/code/alien/ In latest Fedora, the tool alien is in Fedora’s repository. You can use dnf to install the package….
I want to find out those who I follow but do not follow me back on twitter. Is there a method to find out those who do not follow me back on twitter? A very useful tool: twitNERD can help you find out the ones that you follow but do not follow you. Additionally, you…