Csh ambiguous output redirect
I'm trying to assign the output of my piped commands to a variable in a csh script. The command is: set VAR="`ping $1 2>&1 grep 'unknown' cut -b 7-13`" This doesn't want to work, however. I get a vague "Ambiguous output redirect." I'm lost, because the command itself works when I type it in terminal, and I can see the text unknown Webcsh(1) Redirection I/O redirection is one of the places where the two different flavors of shell are clearly different. And not just different, but csh and its ilk are clearly inferior. I'll talk about csh redirection this week and cover the Bourne methods next week. UNIX uses three standard streams for input and output: stdin, stdout, and stderr.
Csh ambiguous output redirect
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WebMay 31, 2014 · Top Forums Shell Programming and Scripting Ambiguous output redirect in xterm ... I suspect that this is actually due to the system using csh as the default shell … WebMay 31, 2014 · Top Forums Shell Programming and Scripting Ambiguous output redirect in xterm ... I suspect that this is actually due to the system using csh as the default shell such that the xterm is actually running csh rather than bash. I've tried . Code: xterm -hold -e "bash; rsh amaqc01"
WebJan 7, 2009 · ambiguous redirect. i have following statement in the script echo -e "$str_XML_col_name:$str_field_type;" >> $i_DC_Key_$i_Tgt_DC_key_Schema here … WebNov 12, 2015 · Ambiguous output redirect. 1. Accepting logfile as parameter and calling a function if filename is passed but file doesn't exist. 0. Can't Break the while read loop even if condition is met. Hot Network Questions How do I …
WebOct 18, 2015 · My default shell is tcsh and this is causing issues when using gutentags, raising the following error when opening Vim or manually running GutentagsUpdate - … WebSep 12, 2006 · Ambiguous output redirect Alex Zbyslaw xfb52 at dial.pipex.com Tue Sep 12 04:02:02 PDT 2006. Previous message: Ambiguous output redirect Next message: Page fault while in kernel mode ... --Alex PS In csh the ">&" means redirect to a file including stderr, in this case the file "1"; then you are telling it to also pipe to something, …
WebDec 25, 2024 · 1 command 2>&1 >/dev/null grep"^ [^-]">& /tmp/fl 出现错误： Ambiguous output redirect. 同样的命令在bash终端下工作。 我应该进行哪些更改才能使其正常工 …
WebDec 25, 2024 · 在文件重定向方面， csh 比bash的限制明显更多。 在 csh 中，可以使用常规的 > 运算符重定向 stdout ，可以使用 >& 运算符重定向 stdout 和 stderr ，可以使用 x9>运算符，但是没有单个运算符可以单独重定向 stderr 。. 通常的解决方法是在子外壳程序中执行命令，将该子外壳程序中的 stdout 重定向到所需的 ... incontinence and nocturiaWebJul 12, 2007 · most likely your login id is defined as csh, and you did not define your "shebang line" as sh or ksh on your script, so it assumes csh syntax when you try to run the script. might want to google shebang line and read up on how to create a script vs. a file with commands. insert at first line: incontinence associated dermatitis categorieshttp://blog.itpub.net/14710393/viewspace-2106342/ incontinence after surgery in menhttp://tomecat.com/jeffy/tttt/cshredir.html incontinence and vaginal itchingWebMar 27, 2014 · 1. FILE DESCRIPTORS The most common problem encountered in csh programming is that you can't do file-descriptor manipulation. All you are able to do is redirect stdin, or stdout, or dup stderr into stdout. Bourne-compatible shells offer you an abundance of more exotic possibilities. 1a. Writing Files In the Bourne shell, you can … incontinence and osteoporosis center llcWebJul 11, 2024 · Solution 1. csh is significantly more limited than bash when it comes to file redirection. In csh, you can redirect stdout with the usual > operator, you can redirect both stdout and stderr with the >& operator, you can pipe stdout and stderr with the & operator, but there is no single operator to redirect stderr alone.. The usual workaround … incontinence associated dermatitis pathwayWebJul 19, 2024 · Ambiguous output redirect. I am redirecting the output to /dev/null because otherwise the ssh call would not finish. I have tried wrapping the command in {} ... In csh and tcsh you could redirect both stdout and stderr with command >& /dev/null (which, though deprecated also works in bash, but not in another bourne shells). incontinence associated dermatitis icd