hasn-prevas
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| #!/bin/sh | |
| BOM='\xEF\xBB\xBF' | |
| if ! sed -n "1{/^$BOM/q1}" "$1"; then | |
| echo "Already has BOM" >&2 | |
| exit 1 | |
| fi | |
| sed -i "1s/^/$BOM/" "$1" |