Shell script multi-line comment

Question

I am having a large shell script file. At times while doing modification I want to comment out part of it. But commenting line as shown in the below example is giving me e

Answer 1

if this is not a syntax error (open string, ...)

#!/bin/bash

if false;then
read build_label
read build_branch_tag
build_date_tag=$(echo $build_label | sed "s/$build_branch_tag//g")
echo $build_path
fi

echo "HELLO WORLD"

if sysntax error or equivalent (unfound place like in search of error by descativate part of failing code)

#!/bin/bash

#read build_label
#read build_branch_tag
#build_date_tag=$(echo $build_label | sed "s/$build_branch_tag//g")
#echo $build_path

echo "HELLO WORLD"

for this you can use: - editor if find/replace with regex is available like vi(m) - a sed (sed '14,45 s/^/#/' YourFile > YourFile.Debug where 14 and 45 are first and last lines to comment)