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| #!/usr/bin/env bash | |
| for i in {0..12}; do | |
| if ! (($i % 4)); then | |
| printf "\e[1K\rloading" | |
| else | |
| printf "." | |
| fi | |
| sleep 1 | |
| done && printf "\e[2K\r" |
you don't put $i in (( )). Just i is enough.
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The terminal escapes are the interesting part.
\033[1Kor\e[1Kwill clear from the cursor position to the beginning of the line.\033[2Kor\e[2Kwill clear everything on the line.