81 lines
2.1 KiB
Bash
Executable File
81 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# file: bash2env.sh
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# simole helper script to convert bash shebang from
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# ! /bin/bash TO ! /usr/bin/env bash
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# This file is public domain in the USA and all free countries.
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# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
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# shellcheck disable=SC1117
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#### $$VERSION$$ v1.51-0-g6e66a28
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# adjust your language setting here
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# https://github.com/topkecleon/telegram-bot-bash#setting-up-your-environment
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export 'LC_ALL=C.UTF-8'
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export 'LANG=C.UTF-8'
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export 'LANGUAGE=C.UTF-8'
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unset IFS
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MYSHEBANG=""
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################
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# uncomment one of the following lines to make the conversion
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# Linux/Unix bash
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# MYSHEBANG="#!/bin/bash"
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# BSD bash
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# MYSHEBANG="#!/usr/bin/bash"
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# homebrew gnu bash on MacOS
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# MYSHEBANG="#!/usr/local/opt/bash"
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# use portable /usr/bin/env
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# MYSHEBANG="#!/usr/bin/env bash"
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# bashbot default bash
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FROMSHEBANG="#!/bin/bash"
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# uncomment to convert back to bashbot default bash
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# FROMSHEBANG="#!/usr/bin/env bash"
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# MYSHEBANG="#!/bin/bash"
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if [ "$1" = "" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
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echo "$0: convert bash shebang to point to your local installation"
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echo "usage: $0 script [script ...]"
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exit
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fi
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# loop tomprocess files
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if [ "${MYSHEBANG}" != "" ]; then
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echo "Warning, shebang will changed from ${FROMSHEBANG} changed to ${MYSHEBANG}!"
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else
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echo "Dry run, demonstration only!"
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echo "Uncomment one of the MYSHEBANG= lines fitting your environment to make the changes permanent."
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fi
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echo "Press enter to continue ..."
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#shellcheck disable=SC2034
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read -r CONTINUE
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for file in "$@"
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do
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file "${file}"
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if [[ "$(file -b "${file}")" =~ Bourne.*script.*text ]]; then
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echo "Processing ${file} ..."
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if head -n 1 "${file}" | grep -q "^${FROMSHEBANG}"; then
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if [ "${MYSHEBANG}" != "" ]; then
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sed -i -e '1 s|^'"${FROMSHEBANG}"'|'"${MYSHEBANG}"'|' "${file}"
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head -n 1 "${file}"
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else
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sed -n -e '1 s|^'"${FROMSHEBANG}"'|#!/some/shebang/bash (dry run)|p' "${file}"
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fi
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else
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echo "Found: $(head -n 1 "${file}") - Nothing to convert."
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fi
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echo -e "... done.\n"
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else
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echo -e "Not a bash script, skipping ${file} ...\n"
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fi
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done
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