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#!/usr/bin/env -S bash -euo pipefail

for var in "$@"

TEXT=" " # Will be used to announce deprecation warning of the docs

# Escape text

printf -v TEXT "%q" "$TEXT"

TEXT=${TEXT#\$\'}

TEXT=${TEXT%\'}

TEXT=`echo "${TEXT//\//\\\/}"`

FIRST_WORD=`awk '{print $1; exit}' $var`

# Only edit files that have a doc comment (//!) at the start.

if [[ "//!" == $FIRST_WORD ]]; then

# Find the first free line after "//!" comments and insert the text there

sed "0,/^[[:space:]]*$/ s/^[[:space:]]*$/$TEXT\n/" $var -i

done