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Bash - Insert lines at top of all files of specified extension
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| #!/usr/bin/env bash | |
| # Insert lines at the top of a file | |
| ext=sh | |
| for f in *.${ext}; do | |
| # e.g. add shebang and shellcheck disable | |
| printf '%s\n%s\n' "#shellcheck disable=1072,1073,1035,1020" "$(cat ${f})" >${f} | |
| printf '%s\n%s\n' "#\!/usr/bin/env bash" "$(cat ${f})" >${f} | |
| done |
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