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- terminal
- ent variable: <code> export LESS=X less /path/to/file </code> Similarly, ''vim'' can be configured not
- ffmpeg
- ricks, how to add interesting video to your audio file, often autogenerated visuals. All the code is sup... O.mp4 </code> The code above creates a mp4 video file with a vectorscope nicely centered inside a 854×4... -f flv "$YOUTUBE_URL/$KEY" </code> # Print file metadata etc. ffmpeg -i path/to/file.ext # Convert all m4a files to mp3 for f in *.m4a; do f
- shortcut @windows
- em. **Ctrl + Shift + N**: Create a new folder in File Explorer. **Ctrl + Shift + E**: Display all folders above the selected folder in the File Explorer. **Ctrl + Shift**: Switch the keyboard ... off. **Shift + Delete**: Permanently delete all files. ====== Les bases: ====== **Ctrl
- truecolor @terminal
- their own method (e.g. an option in their config file). They should use whichever method best matches t
- scripting @terminal
- least don't change it within the same shellscript file); don't change your code layout with your mood. ... counting variables, etc., ... (in the example: ''file'') * prefer ''lowercase'' variables * if yo... the prefix 'MY_' MY_LOG_DIRECTORY=/var/adm/ for file in "$MY_LOG_DIRECTORY"/*; do echo "Found Logfile: $file" done </code> ==== Variable initialization ====
- obselete @terminal
- ^ Syntax ^ Replacement ^ Description ^ |''&>FILE'' and ''>&FILE'' |''>FILE 2>&1'' |This redirection syntax is short for ''>FILE 2>&1'' and originates in the C Shell. The latter
- color @terminal
- their own method (e.g. an option in their config file). They should use whichever method best matches
- behaviours @terminal
- r ====== {{keywords>bash shell scripting startup files dotfiles modes POSIX}} FIXME incomplete =====... exits, Bash reads and executes commands from the file ''~/.bash_logout'', if it exists. Why an extra l... rofile</nowiki>'' disables reading of all profile files ==== Interactive shell ==== When Bash star... ds and executes commands from ''~/.bashrc''. This file should contain, for example, aliases, since they
- basics @terminal
- cripting basics learning tutorial}} ===== Script files ===== A shell script usually resides inside a file. The file can be executable, but you can call a Bash script with that filename as a parameter: <code> bash ./myfile </code>
- lire @secu
- maine : #!/bin/sh lr_log2mail combined --log-file /var/log/apache2/access.log.1 -s "Apache access r... on_addresse@mail.com lr_log2mail syslog --log-file /var/log/syslog.0 -s "Syslog report" -o html mon_addresse@mail.com lr_log2mail syslog --log-file /var/log/auth.log.0 -s "Auth report" -o html mon_
- redirection @scripts
- cuted]]. Under normal circumstances, there are 3 files open, accessible by the file descriptors 0, 1 and 2, all connected to your terminal: ^Name^FD^Descript... wrap> Both, ''stdout'' and ''stderr'' are output file descriptors. Their difference is the **convention... ow this convention! Whenever you **name** such a filedescriptor, i.e. you want to redirect this descrip
- quoting @scripts
- ral ''*'' as argument. It will, unless you have a file named ''*'', spit out an error. <code> echo "You... h ['' you will see that there is in fact a binary file with that name. So if we were writing this as a t
- positional-parameters @scripts
- a bad idea if you write a script that takes many filenames as arguments. => forget that one ==== Loop... : ''COMMAND [options] <params>'' # Like 'cat -A file.txt' See simple option parsing code below. It's ... d more. while : do case "$1" in -f | --file) file="$2" # You may want to check validity of $2 shift 2 ;; -h | --help) display_h
- obsolete @scripts
- ^ Syntax ^ Replacement ^ Description ^ |''&>FILE'' and ''>&FILE'' |''>FILE 2>&1'' |This redirection syntax is short for ''>FILE 2>&1'' and originates in the C Shell. The latter