12 lines
190 B
Bash
12 lines
190 B
Bash
#!/bin/bash
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while IFS= read -r line; do
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row=""
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for (( i=0; i<${#line}; i++ )); do
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char="${line:i:1}"
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row+="$char$char"
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done
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echo "$row"
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echo "$row"
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done
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