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docker ps output formatting for clean preview
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| #!/bin/bash | |
| # Function to print colored docker ps table | |
| print_colored_docker_ps() { | |
| # List of readable color codes | |
| local colors=(31 32 33 34 35 36 91 92 93 94 95 96) | |
| declare -A project_colors | |
| # Print table header | |
| printf "%-12s\t%-30s\t%-40s\t%s\n" "CONTAINER ID" "NAMES" "IMAGE" "STATUS" | |
| # Read docker ps output into an array to process after color assignment | |
| mapfile -t docker_lines < <(docker ps --format '{{.ID}}\t{{.Names}}\t{{.Image}}\t{{.Status}}') | |
| # Collect all unique projects | |
| declare -A all_projects | |
| for line in "${docker_lines[@]}"; do | |
| IFS=$'\t' read -r id name image status <<< "$line" | |
| project="${name%%_*}" | |
| if [[ -z "$project" ]]; then | |
| project="$name" | |
| fi | |
| all_projects["$project"]=1 | |
| done | |
| # Assign a unique color to each project (cycling if more projects than colors) | |
| local i=0 | |
| for project in "${!all_projects[@]}"; do | |
| color=${colors[$((i % ${#colors[@]}))]} | |
| project_colors["$project"]=$color | |
| ((i++)) | |
| done | |
| # Print each line with the assigned project color | |
| for line in "${docker_lines[@]}"; do | |
| IFS=$'\t' read -r id name image status <<< "$line" | |
| project="${name%%_*}" | |
| if [[ -z "$project" ]]; then | |
| project="$name" | |
| fi | |
| color=${project_colors[$project]} | |
| printf "\e[1;${color}m%-12s\t%-30s\t%-40s\t%s\e[0m\n" "$id" "$name" "$image" "$status" | |
| done | |
| } |
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