Again, the double quotes interpret the back quotes but the single quotes ignore its special meaning. Back quotes are not recommended anymore For years, the back quotes were used for command substitution in Shell scripting. But these days, modern UNIX and Linux systems prefer the$(command)construc...
The main point of usingsingle quotesin Bash (') is to preserve the literal value of each character within the quotes. Single quotes strip any special value of a character and should be used when you want the input to retain its literal value without any data interpolation. Single quotes are...
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https://stackoverflow.com/questions/20342464/when-grep-xxfile-i-got-trailing-backslash https://stackoverflow.com/questions/6697753/difference-between-single-and-double-quotes-in-bash [root@shuffle-dev~]$ res="hello"[root@shuffle-dev~]$ echo"'$res'"'hello'[root@shuffle-dev~]$ res="hello"[...
Option 1: If the Dockerfile contains single quotes, stop before executing a build and tell the user to fix it. Option 2: Support single quotes, treating them the same way as double quotes. Also, please address the subject of single quotes in the docs. Thanks guys 👍 👍 13 Member ...
In favor of double quotes “Doubles are easier to spot if you don't have color coding. Like in a console log or some kind of view-source setup.”–@wiredearp Similarity to other languages: In shell programming (Bash etc.), single-quoted string literals exist, but escapes are not interpr...
This seems surprising. If an argument has backticks or uses$(), these will still be evaluated in most shells (bash, zsh). As a reference Python'sshlex.escapeuses single quotes, which seems more expected: https://github.com/python/cpython/blob/3.13/Lib/shlex.py#L323-L332 ...
Use double quotes when you want to display the real meaning of special variables. $ echo "Hostname=$HOSTNAME ; Current User=`whoami` ; Message=\$ is USD" Hostname=dev-db ; Current User=ramesh ; Message=$ is USD Double quotes will remove the special meaning of all characters except the...
Single quotes only work in *nix/bash but not in Windows.","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"192","kudosSumWeight":0,"postTime":"2020-02-24T07:36:47.790-08:00"...
in "${SSO_DC_VARS[@]}" do IFS=$'=' read KEY VALUE <<< $VAR if grep -q $KEY <<< ${DB_VARS[@]} then KEY+="_VALUE" # Enwrap integer port value with double quotes if [[ ${KEY} =~ ${SERVICE}_SERVICE_PORT_VALUE ]] then sed -i "s#<<${KEY}>>#\...