Linux: How to connect external hard drive, video course Marian's BASH Video Training: Mastering Unix Shell. Articles This effectively outputs three strings - 'test ', single quote and ' 123'. Normally, $ symbol is used in bash to represent any defined variable. I have a simple string I want to echo from my bash script: $(document).ready(function() {$('#cf-footer-paragraph').append('

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');}); But any how I try to add \ before # I cant echo it=( So I wonder - how to echo such command? We prepared for you video course Marian's BASH Video Training: Mastering Unix Shell, if you would like to get much more information. Search os Some well know examples are the percent sign ( % ), and the redirection symbols ( < | > ). Closing the string right before the single quote, then use escaped single quote, then open another single quoted string That means that the above example comes to echo 'test '\'' 123' This effectively outputs three strings - 'test ', single quote and ' 123'. oracle semi-colon is a command terminator in bash. There is absolutely no way to get a literal single quote inside single quotes. You can think of it as a four-character escape sequence to get a single quote. Bash escape single quote in variable. bash. © 2006-2020 Ustrem.org is powered by bobi_at_ustrem.org, onzi_at_ustrem.org and Slackware linux This isn't the problem at all -- wildcards don't get expanded inside double-quotes either, so (other than removing the backslash) this is the same as what the question had. | alias funny_prompt=$'echo \'$>\, This page was last modified on 2021-01-09 22:48:26, apache Articles '\'' is something anyone who does shell scripting should internalize as the way to escape single quotes in a single quoted shell string, especially because single quoted strings are the robust/portable/safest way to escape arbitrary strings in all Bourne-like shells. string with internal `back ticks` variables: VAR5: 'string with internal \`back ticks\`' We need to escape the back ticks because they are treated specially by the shell, even within double quotes. Hallo, wie kann ich innerhalb eines bash-scriptes einen Befehl ausführen und diesem Befehl einen Parameter in Single Quotes übergeben? | ssh See Bash History Facilities, for more details concerning history expansion. If you want to write content of variable $foo in ' use the character \ to escape single quote. Comming up Instead of mad escaping, the above simply puts everything except a single quote in single quotes. Remember that if you want to use single backslash, you have to escape it: \\. web_design Example: If you want to write content of variable $foo in ' use the character \ to escape single quote. # escapestr_sed() # read a stream from stdin and escape characters in text that could be interpreted as # special characters by sed escape_sed() { sed \ -e 's/\//\\\//g' \ -e 's/\&/\\\&/g' } The backslash can be used to mask every character that has a special meaning to bash. I think the biggest problem I see when it comes to bash and groovy is people escape the bash but then forget they have to escape the groovy. | Hot Network Questions How much is the USA dependent on British and French support in international relations? How to escape `$` and `#` symbols in bash? Output: $foo. How to escape single quotes within single quoted strings, A single quote may not occur between single quotes, even when preceded by a backslash. When the command history expansion facilities are being used (see History Interaction), the history expansion character, usually ‘!’, must be quoted to prevent history expansion. Instead of single quotes use double quotes ("): Single quote may not occur between single quotes, even when preceded by a backslash, but this works: Was this information helpful to you? Provide the address, where you would like to receive the newsletter. Everything between them is taken completely literally, including backslashes. Bash even expands !”: the most common place you’ll hit this whole problem is trying to pass a string that ends in !, even the humble echo "Hello world!" One trick is to use shell string concatenation of adjacent strings and escape the embedded quote using shell escaping: sed 's/ones/two'\''s/' <<< 'ones thing' two's thing There are 3 strings in the sed expression, which the shell then stitches together: sed 's/ones/two' \' 's/' Hope that helps someone else! VAR4: 'string with internal ''single quotes''' Single quotes need to be doubled to survive yaml parsing. wie bekomm ich jetzt bei Befehlsaufruf den Inhalt der Variable in die Single Quotes rein? Searching for string in a file line by line. In single quotes, escaping single quote is not possible, thus you can't include single quote into single quotes. ( < | > ) it as a four-character escape sequence to get the Output field in single... Shell script of Bash starting with a # comment, then run know examples are the of. 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