tcl exec grep
I'm betting that you're actually writing this: cat $file_path/file |grep test > $file_path/des_file. With no space between | and grep . Tcl's exec cares ...,tcl - Grep雙引號內的單詞 ... set match [exec sed s/^variable"(...)"/1/}/tmp/foo]. 這將調用sed來查找所需的匹配部分，並將它們分配給一個TCL變數以便進一步處理。
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 tcl exec grep 相關參考資料
exec manual page - Tcl Built-In Commands - TclTk
-ignorestderr: Stops the exec command from treating the output of messages to ... set status 0 if [catch exec grep foo bar.txt} results options]} set details [dict ... https://www.tcl.tk execute shell command with tcl - Stack Overflow
I'm betting that you're actually writing this: cat $file_path/file |grep test > $file_path/des_file. With no space between | and grep . Tcl's exec cares ... https://stackoverflow.com Grep双引号内的单词_tcl_酷徒编程知识库 - 酷徒編程知識庫
tcl - Grep雙引號內的單詞 ... set match [exec sed s/^variable"(...)"/1/}/tmp/foo]. 這將調用sed來查找所需的匹配部分，並將它們分配給一個TCL變數以便進一步處理。 https://hant-kb.kutu66.com grep用于tcl - CSDN
if [string equal [exec grep -o hello} /root/fil. https://blog.csdn.net How to execute grep in tcl for getting XYZ-123 type pattern ...
tcl uses curly-braces as quotes rather than single-quote marks. This would work: grep [A-Z][A-Z][A-Z]-[0-9][0-9][0-9]} file1 > file2. but keep in ... https://unix.stackexchange.com How to run grep from tcl script - Google Groups
One of the most frequent answers to Tcl FAQs is, "Use eval." It applies here; what you want is probably something like. set result [eval exec grep -i "^ *entity" [glob ... https://groups.google.com Running other programs from Tcl - exec, open - TclTk
To accomplish this function, Tcl has two ways to start another program: open ...... run a new program with I/O connected to a file descriptor; exec ...... run a new ... https://www.tcl.tk Tcl語法雜記 - 瘋狂帽客's Blog
5.將指令結果存於變數內: set var [exec ifconfig] puts $var set var2 [exec ifconfig | grep "inet- addr" | grep -v 127.0.0.1] puts $var2 6.eval & subst: https://go-linux.blogspot.com 三月2018 - Scripting Tcl 大小事
在嘗試以後，寫好了Bash 版，使用cat, grep 和sed 取得結果。 ... Tcl 8.6 set myfunction } return [exec cat /etc/os-release | grep -w "^NAME" | sed ... http://tcl-eval.blogspot.com |