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Replace terraform_docs use of GNU sed with perl #15

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merged 2 commits into from
May 20, 2018
Merged

Replace terraform_docs use of GNU sed with perl #15

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6e64585
Fix ShellCheck warning 2219
May 19, 2018
84e6b7f
Replace GNU sed commands with perl
May 19, 2018
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10 changes: 5 additions & 5 deletions terraform_docs.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ for file_with_path in "$@"; do
tfvars_files+=("$file_with_path")
fi

let "index+=1"
((index+=1))
done

readonly tmp_file="tmp_$(date | md5).txt"
Expand All @@ -33,11 +33,11 @@ for path_uniq in $(echo "${paths[*]}" | tr ' ' '\n' | sort -u); do

terraform-docs md ./ > "$tmp_file"

# Replace content between markers with the placeholder - http://fahdshariff.blogspot.no/2012/12/sed-mutli-line-replacement-between-two.html
sed -i -n '/BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK/{p;:a;N;/END OF PRE-COMMIT-TERRAFORM DOCS HOOK/!ba;s/.*\n/I_WANT_TO_BE_REPLACED\n/};p' "$text_file"
# Replace content between markers with the placeholder - https://stackoverflow.com/questions/1212799/how-do-i-extract-lines-between-two-line-delimiters-in-perl#1212834
perl -i -ne 'if (/BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK/../END OF PRE-COMMIT-TERRAFORM DOCS HOOK/) { print $_ if /BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK/; print "I_WANT_TO_BE_REPLACED\n$_" if /END OF PRE-COMMIT-TERRAFORM DOCS HOOK/;} else { print $_ }' "$text_file"

# Replace placeholder with the content of the file - https://stackoverflow.com/a/31057013/550451
sed -i -e "/I_WANT_TO_BE_REPLACED/r $tmp_file" -e "//d" "$text_file"
# Replace placeholder with the content of the file
perl -i -e 'open(F, "'"$tmp_file"'"); $f = join "", <F>; while(<>){if (/I_WANT_TO_BE_REPLACED/) {print $f} else {print $_};}' "$text_file"

rm -f "$tmp_file"

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