Remove trailing spaces at the end of each line in a file
How to remove trailing spaces at the end of each line in a file on Linux?
Use this script with sed
:
cat your_file | sed 's/[[:blank:]]+$//g'
How to remove trailing spaces at the end of each line in a file on Linux?
Use this script with sed
:
cat your_file | sed 's/[[:blank:]]+$//g'
How to view .mbox files on Linux? Thunderbird can read mbox files well. You can drop your mbox files to the Local Folders directory of Thunderbird and restart Thunderbird. It will index the emails and show them. To find the Local Folders directory of Thunderbird: Open “Account Settings” and click on “Local Folders” to see…
“The C language provides no built-in facilities for performing such common operations as input/output, memory management, string manipulation, and the like. Instead, these facilities are defined in a standard library, which you compile and link with your programs. The GNU C library, described in this document, defines all of the library functions that are specified…
I noticed that some guys’ screen console has a status bar with tab numbers. That will be very useful for 1) know you are using screen rather than a normal terminal. 2) which tab you are working in. Below is my ~/.screenrc: hardstatus alwayslastline hardstatus string ‘%{= kG}[ %{G}%H %{g}][%= %{=kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B}%Y-%m-%d %{W}%c %{g}]’ It…
There is a ‘/b/’ in the posts’ URLs on fclose.com . What does it mean? It originally means “blog” when the blogs are first set up. This site changes to not only a blog (one good example is this forum) over time. However, the URLs are kept unchanged and the ‘/b/’ has no special meanings…
In Perl, how to get the epoch timestamp, the number of seconds passed since the epoch? In Perl, to get the epoch time, call the time function: my $ts = time Example: $ perl -e ‘print time . “n”‘ 1491473202 Read more: How to get the epoch timestamp in Python? How to get the epoch…
How to disable the fastmirror yum plugin in CentOS 7 Linux? The fastestmirror function of yum is provided by the package `yum-plugin-fastestmirror`. However, because `yum` depends on it, the `yum-plugin-fastestmirror` package can not be removed. If you try to remove it, `yum` will report failures like. # yum remove yum-plugin-fastestmirror Loaded plugins: fastestmirror Resolving Dependencies…