Created
August 27, 2025 06:47
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Possible speedup for "animated progress bar in bash"
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| #!/usr/bin/env bash | |
| BATCHSIZE=1 | |
| BAR_CHAR='|' | |
| PAD_CHAR=' ' | |
| LENGTH=50 | |
| BAR_POOL=$(eval "printf \"${BAR_CHAR}%.0s\" {1..$LENGTH}") | |
| PAD_POOL=$(eval "printf \"${PAD_CHAR}%.0s\" {1..$LENGTH}") | |
| # ############################################################################## | |
| progress-bar() { | |
| local current=$1 | |
| local len=$2 | |
| local perc_done=$((current * 100 / len)) | |
| local num_bars=$((perc_done * LENGTH / 100)) | |
| echo -ne "[${BAR_POOL:0:num_bars}${PAD_POOL:0:LENGTH-num_bars}] $current/$len ($perc_done%)\r" | |
| } | |
| process-files() { | |
| local files=("$@") | |
| sleep .01 | |
| } | |
| # ############################################################################## | |
| shopt -s globstar nullglob | |
| echo 'finding files' | |
| files=(./**/*cache) | |
| len=${#files[@]} | |
| echo "found $len files" | |
| for ((i = 0; i < len; i += BATCHSIZE)); do | |
| progress-bar "$((i+1))" "$len" | |
| process-files "${files[@]:i:BATCHSIZE}" | |
| done | |
| progress-bar "$len" "$len" | |
| echo |
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