end #while while ($#argv > 0) grep $something $argv[1] end @ n = 5 while ($n) # do something @ n-- end #switch-case switch ($argv[$i]) case quit: break # leave the switch statement case list: ls breaksw case delete: case erase: @ k = $i + 1 rm $argv[$k] breaks...
end #while while ($#argv > 0) grep $something $argv[1] end @ n = 5 while ($n) # do something @ n-- end #switch-case switch ($argv[$i]) case quit: break # leave the switch statement case list: ls breaksw case delete: case erase: @ k = $i + 1 rm $argv[$k] breaks...
end #while while ($#argv > 0) grep $something $argv[1] end @ n = 5 while ($n) # do something @ n-- end #switch-case switch ($argv[$i]) case quit: break # leave the switch statement case list: ls breaksw case delete: case erase: @ k = $i + 1 rm $argv[$k] breaks...
/bin/cshforeach color (red orange yellow green blue)echo $colorend 3.while / end Syntax: while (expression)commandsend Example: #!/bin/cshset word = "anything"while ($word != "")echo -n "Enter a word to check (Return to exit): "set word = $<if ($word != "") grep $word ...
Csh的使⽤ 在*unix系统中，常⽤的shell有sh，bash，csh/tcsh, ksh.sh来⾃于systemV的Unix，是传统的Unix的shell，直到现在很多的系统管理员仍然喜欢使⽤sh。bash来⾃于BSD Unix，语法⾮常类似于C语⾔，所以通常有C/C++编程背景的开发⼈员最喜欢使⽤。ksh是对sh的扩展，且吸收了csh的⼀些有...
These expressions typically appear in the @, exit, if, set and while commands, and are often used to regulate the flow of control for executing commands. Components of an expression are separated by white space.Null or missing values are considered 0. The result of all expressions is a ...
csh脚本语法实例csh实例参考：复制代码代码如下:#!/bin/csh -vx #csh -vx show the command before running to help debug #just to check syntax #csh -n $0 #argv if ($#argv < 2) then echo "Sorry, but you entered too few parameters"echo "usage: $0 arg1 arg2 exit endif set arg1 = $...
These expressions typically appear in the @, exit, if, set and while commands, and are often used to regulate the flow of control for executing commands. Components of an expression are separated by white space. Null or missing values are considered 0. The result of all expressions is a ...
may fail on some versions of csh, while if (expr) works! Your vendor may have attempted to fix this bug, but odds are good that their csh still won't be able to handle if(0) then if(1) then echo A: got here else echo B: got here ...
While the syntax and feature limitations may be frustrating, it is still possible to achieve many common text manipulation tasks using basic regular expressionsin csh. By taking the time to familiarize themselves with the specific syntax and capabilities of regular expressions in csh, users can ...