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'awk' - a programming language for working on files - Video Man Pages

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  • description: The 'awk command' is really an entire programming language used for working with files and text. - Print a file (similar to 'cat'): awk '{print}' path/to/file OR awk '{print $0}' path/to/file - Print the 2nd field of each line: awk '{print $2}' path/to/file - Print the last field of each line: awk '{print $NF}' path/to/file - Search for lines containing 'string' and print the second field of those lines: awk '/string/ {print $2}' path/to/file - Use a different field separator (instead of space) and print 1st and 7th fields with a TAB in between: awk -F ":" '{print $1 "\t" $7}' /etc/passwd - Find a specific string in any column: ps -ef | awk '{ if($NF == "/usr/bin/pipewire") print $0};' NOTE We search if the last field is '/usr/bin/pipewire' and print the line. - Search 1st field if it starts with 'b' or 'c', then prints the line: awk '$1 ~ /^[b,c]/ {print $0}' .bashrc NOTE The '~' character is the regex match operator. - Use the 'substr' function to print each record from the 2nd character onward: awk '{print substr($0, 2)}' .bashrc NOTE It essentially prints the document but omits the first character of each line. REFERENCED: ► https://gitlab.com/dwt1/vidman WANT TO SUPPORT THE CHANNEL? 💰 Patreon: https://www.patreon.com/distrotube 💳 Paypal: https://www.paypal.com/donate/?hosted_button_id=MW3ZFGS8Q9JGW 🛍️ Amazon: https://amzn.to/2RotFFi 👕 Teespring: https://teespring.com/stores/distrotube DT ON THE WEB: 🕸️ Website: http://distro.tube 📁 GitLab: https://gitlab.com/dwt1 🗨️ Mastodon: https://fosstodon.org/@distrotube 👫 Reddit: https://www.reddit.com/r/DistroTube/ 📽️ Odysee: https://odysee.com/@DistroTube:2 FREE AND OPEN SOURCE SOFTWARE THAT I LIKE: 🌐 Brave Browser - https://brave.com/ 📽️ Open Broadcaster Software: https://obsproject.com/ 🎬 Kdenlive: https://kdenlive.org 🎨 GIMP: https://www.gimp.org/ 💻 VirtualBox: https://www.virtualbox.org/ 🗒️ Doom Emacs: https://github.com/hlissner/doom-emacs Your support is very much appreciated. Thanks, guys!
  • title: 'awk' - a programming language for working on files - Video Man Pages
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