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Top Forums UNIX for Dummies Questions & Answers Confusion with echo command under csh shell Post 302837127 by Little on Thursday 25th of July 2013 07:20:36 AM
Old 07-25-2013
if you want to print the double quotes also in the file then just put a \ in front of the quotes you want to print.
double quotes are used to specify string and considered as a special character. if u are printing like this
Code:
echo "expect "">"""  >> $loginFile

then it takes 3 strings enclosed in 3 pair of double quotes
Code:
1) "expect "
2) ">"
3) ""

hence you are getting the result as expect >
if you want to remove the special meaning of any metacharacter , put a \ before that chatracter.
Code:
echo "expect \">\""  >> $loginFile

 

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echo(1) 						      General Commands Manual							   echo(1)

NAME
echo - echo (print) arguments SYNOPSIS
[arg] ... DESCRIPTION
writes its arguments separated by blanks and terminated by a new-line on the standard output. It also understands C-like escape conven- tions; beware of conflicts with the shell's use of write an alert character backspace print line without appending a new-line form-feed new-line carriage return tab vertical tab backslash the 8-bit character whose ASCII code is the 1-, 2-, 3- or 4-digit octal number n, whose first character must be a zero. write an 8-bit value that is the zero-, one-, two- or three-digit octal number num is useful for producing diagnostics in command files and for sending known data into a pipe. Notes Berkeley differs from this implementation. The former does not implement the backslash escapes. However, the semantics of the escape can be obtained by using the option. The echo command implemented as a built-in function of follows the Berkeley semantics (see csh(1)). EXTERNAL INFLUENCES
Environment Variables determines the interpretation of arg as single and/or multi-byte characters. If is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty vari- able. If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are set to "C". See environ(5). International Code Set Support Single- and multi-byte character code sets are supported. AUTHOR
was developed by OSF and HP. SEE ALSO
sh(1). BUGS
No characters are printed after the first This is not normally a problem. STANDARDS CONFORMANCE
echo(1)
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