How to pipe the stderr to less
For example, try to less the error messages generated by the compiler with
make | less
Use this command:
make 2>&1 | less
or, if you want stderr only:
make 2>&1 >/dev/null | less
For example, try to less the error messages generated by the compiler with
make | less
Use this command:
make 2>&1 | less
or, if you want stderr only:
make 2>&1 >/dev/null | less
In Vim, ’20G’ moves the cursor to line 20 in command mode. But how to move the cursor to a specific byte in Vim? In normal mode, 20go will move the cursor to byte 20. Or in command line, :goto 20 or :go 20 From vimdoc: :[range]go[to] [count] [count]go Go to {count} byte in the…
How to add the jane street opam repository is introduced here. Here, we assume the branch to add is core-branch. You may need to replace the core-branch with the branch you need. $ git clone -b core-branch https://github.com/janestreet/opam-repository.git $ opam repo add js opam-repository Or, directly add the remote branch as an opam repository. $…
I am using a shared network and scp to upload files. I do not want to use most of the bandwidth available. How to limit the network rate used by scp in Linux? You can use the -l option of scp to limit the rate of bandwidth. -l limit Limits the used bandwidth, specified in…
Evolution seems wrap long lines automatically in “Plain Text” mode. How to make Evolution not wrap lines in composed Emails? Evolution does not have (so far) “Flowing Text” mode where “the text is soft broken at the composer edge, but those soft breaks aren’t translated to hard breaks when the mail is sent” ( Reference:…
Within a Bash script, how to judge whether its STDERR is redirected to a file in Bash on Linux? For example, ./script.sh /tmp/log 2>&1 Can script.sh detect that its STDERR is redirected? Knowing the destination file is better. To test whether a script’s STDERR (or STDOUT) is redirected to a file, check by [[ -f…
Converting a string to a long in C is a common operation that can be useful in various programming tasks. In this post, we will explore how to use the strtol and strtoul C library functions to convert a string to a long in C. Using strtol and strtoul The strtol and strtoul functions are…