Commands tagged vim (143)

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Search recursively to find a word or phrase in certain file types, such as C code
I have a bash alias for this command line and find it useful for searching C code for error messages. The -H tells grep to print the filename. you can omit the -i to match the case exactly or keep the -i for case-insensitive matching. This find command find all .c and .h files

Replace duplicate files by hardlinks

Grep log between range of minutes
Returns logs between HH:M[Mx-My], for example, between 13:40 and 13:45.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Show a script or config file without comments or blank lines

display an embeded help message from bash script header
With this one liner you can easily output a standard help message using the following convention: Usage: is the start marker Stop at the last #

How to trim a video using ffmpeg
Will trim the video to 4 seconds starting from the beginning. The -vcodec , -acodec options are required so that ffmpeg knows in what video/audio format you want for the new video.

Random unsigned integer

Use vi commands to edit your command lines
If you spend all day editing in vi then switching your fingers to Emacs mode just for the command line can be difficult. Use set -o vi in your bash shell and enjoy the power of a real editor.

Force the script to be started as root
Place this code at the beginning of your script to ensure that it can only be executed by the root.


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