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Bash Progress Bar
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| #!/bin/bash | |
| # Bash Progress Bar: https://gist.github.com/F1LT3R/fa7f102b08a514f2c535 | |
| progressBarWidth=20 | |
| # Function to draw progress bar | |
| progressBar () { | |
| # Calculate number of fill/empty slots in the bar | |
| progress=$(echo "$progressBarWidth/$taskCount*$tasksDone" | bc -l) | |
| fill=$(printf "%.0f\n" $progress) | |
| if [ $fill -gt $progressBarWidth ]; then | |
| fill=$progressBarWidth | |
| fi | |
| empty=$(($fill-$progressBarWidth)) | |
| # Percentage Calculation | |
| percent=$(echo "100/$taskCount*$tasksDone" | bc -l) | |
| percent=$(printf "%0.2f\n" $percent) | |
| if [ $(echo "$percent>100" | bc) -gt 0 ]; then | |
| percent="100.00" | |
| fi | |
| # Output to screen | |
| printf "\r[" | |
| printf "%${fill}s" '' | tr ' ' '#' | |
| printf "%${empty}s" '' | tr ' ' '-' | |
| printf "] $percent%% - $text " | |
| } | |
| ## Collect task count | |
| taskCount=33 | |
| tasksDone=0 | |
| while [ $tasksDone -le $taskCount ]; do | |
| # Do your task | |
| (( tasksDone += 1 )) | |
| # Add some friendly output | |
| text=$(echo "somefile-$tasksDone.dat") | |
| # Draw the progress bar | |
| progressBar $taskCount $taskDone $text | |
| sleep 0.01 | |
| done | |
| echo |
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If you get "invalid number" error from terminal, please take a look at this instructions.