Answer by sqrt-1 for why does assigning a var with command substitution then...
Based on the link provided by @DavidPostill, I would useecho "Hello world!" > test.txt && TEST="$(cat test.txt)" && echo "$TEST"
View ArticleAnswer by DavidPostill for why does assigning a var with command substitution...
Why does the following not work in bash?echo "Hello world!" > test.txt && TEST="$(cat test.txt)" echo "$TEST"If you run it though ShellCheck – shell script analysis tool it will tell you...
View Articlewhy does assigning a var with command substitution then echoing that var...
Why does the following not work in bash?# ensure TEST is unsetexport TEST=''echo "Hello world!" > test.txt && TEST="$(cat test.txt)" echo "$TEST"It always returns a blank line for some...
View ArticleAnswer by TOOGAM for why does assigning a var with command substitution then...
Not to conflict with any of the other pre-existing answers, but I thought a step-by-step analysis may help. (u1686_grawity's answer looks accurate, but I thought this might be more clear...)# ensure...
View ArticleAnswer by u1686_grawity for why does assigning a var with command...
It doesn't work because $var expansions are performed by the shell before the command line is run, i.e. not by the 'echo' command.Meanwhile, VAR=value somecommand is not a regular assignment – it is...
View ArticleAnswer by TOOGAM for Why does assigning a variable with command substitution,...
Not to conflict with any of the other pre-existing answers, but I thought a step-by-step analysis may help. (u1686_grawity's answer looks accurate, but I thought this might be more clear...)# ensure...
View ArticleAnswer by u1686_grawity for Why does assigning a variable with command...
It doesn't work because $var expansions are performed by the shell before the command line is run, i.e. not by the 'echo' command.Meanwhile, VAR=value somecommand is not a regular assignment – it is...
View ArticleAnswer by sqrt-1 for Why does assigning a variable with command substitution,...
Based on the link provided by @DavidPostill, I would useecho "Hello world!" > test.txt && TEST="$(cat test.txt)" && echo "$TEST"DUE EDITAs many users rightly pointed out, mine is far...
View ArticleAnswer by DavidPostill for Why does assigning a variable with command...
Why does the following not work in bash?echo "Hello world!" > test.txt && TEST="$(cat test.txt)" echo "$TEST"If you run it though ShellCheck – shell script analysis tool it will tell you...
View ArticleWhy does assigning a variable with command substitution, and then echoing...
Why does the following not work in Bash?# Ensure TEST is unsetexport TEST=''echo "Hello world!" > test.txt && TEST="$(cat test.txt)" echo "$TEST"It always returns a blank line for some...
View Article
