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an example of how to reformat the output of "docker ps" for smaller screens
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| #!/bin/bash | |
| # Color codes | |
| GREEN='\033[0;32m' | |
| YELLOW='\033[1;33m' | |
| BLUE='\033[0;34m' | |
| NC='\033[0m' # No Color | |
| # Header in green | |
| echo -e "${GREEN}IMAGE\t\t\t\t\t\t\tSTATUS${NC}" | |
| echo -e "${GREEN}==================================================================================${NC}" | |
| # Execute docker ps and extract the desired information | |
| docker ps --no-trunc --format "{{.Image}}\t{{.Status}}\t{{.Ports}}" | while IFS=$'\t' read -r image status ports; do | |
| # Calculate the width of the IMAGE column to create proper spacing for STATUS | |
| image_width=50 | |
| image_padded=$(printf "%-${image_width}.${image_width}s" "$image") | |
| # First line: Image and Status in yellow | |
| echo -e "${YELLOW}${image_padded}\t${status}${NC}" | |
| # Ports, each on a new line in blue | |
| if [ -n "$ports" ]; then | |
| # Here we remove any spaces after commas | |
| ports=$(echo "$ports" | sed 's/, /,/g') | |
| IFS=',' read -ra ADDR <<< "$ports" | |
| for port in "${ADDR[@]}"; do | |
| # Here we remove any leading whitespace, if present | |
| port=$(echo $port | sed 's/^[[:space:]]*//') | |
| echo -e "${BLUE} ${port}${NC}" | |
| done | |
| fi | |
| # Separator between containers in yellow | |
| echo -e "${YELLOW}----------------------------------------------------------------------------------${NC}" | |
| done |
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