Using a Variable in a sed command called in Tcl Script 【问题讨论】: 标签: sed tcl 【解决方案1】: 一般方法是正确的。 试试这个 1 : expect. now the user can execute the script, right. But also the user can view the file by "cat /usr/bin/script" but the user should not view the file and only they should execute the. Search: Cisco Shell Scripting. This shortcut invokes wrenv to open a Windows command prompt configured for Workbench development 2(14)S before 12 Thanks in advance, Jeeva Ganesan From Chapter 1 of "Learn Windows PowerShell in a Month of Lunches" If you are designing a website, then you can find all the resources you need for webmasters and web. Apr 08, 2008 · Hi all, I am trying to run a tcl script in a perl script. Now my problem is when I run the tcl script from the perl script it runs very slowly but when I run the tcl script individually it is running at expected speed. What could be the problem?? Help please!!!! Thanks (0 Replies). Nov 30, 2008 · For tcl, grouping is done with double quotes and curly braces, the quotes allowing substitution. To get single quotes to a command that you want executed, you could do: Code: set x [ exec bash -c "echo abc | sed 's,b,x,'" ] which produced for me: Code: axc.. "/>. Apr 09, 2010 · Sed and Awk 101 Hacks eBook - Enhance Your UNIX / Linux Life with Sed and Awk; Vim 101 Hacks eBook - Practical Examples for Becoming Fast and Productive in Vim Editor; Nagios Core 3 eBook - Monitor Everything, Be Proactive, and Sleep Well. Tcl - Regular Expressions. The "regexp" command is used to match a regular expression in Tcl.A regular. Hi all, I am trying to run a tcl script in a perl script. Now my problem is when I run the tcl script from the perl script it runs very slowly but when I run the tcl script individually it is running at expected speed. What could be the problem?? Help please!!!! Thanks (0 Replies). Ok. I have a problem in TCL that I hope someone here can help me out with. The problem is with using the 'exec/eval' command. I want to be able to execute a com ... TCL -> Eval/Exec with Environment Variables TCL -> Eval/Exec with Environment Variables nsgill (Programmer) (OP) 9 Feb 04 16:57. Ok. I have a problem in TCL that I hope someone here.

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Tcl exec sed

Example: readlink -e desk. Explanation: This option is similar to -f option the only difference between -f and -e option is in -e, all components must exist and in -f, the last component must exist. readlink -m : This option canonicalize by following every symlink in every component of the given name recursively, without requirements on. invalid cammand name else. (near the bottom of the code). else isn't a separate command - it's an optional parameter within the if command. You have ended your if command (a new line ends a command in Tcl !) on the line before the else. Either add a \ on the end of that previous line, or move the else up. A 'text box' in tcl /tk is a box which can contain editable and formattable text. It has many capabilities but in its basic form is simple to use. display the unix dictionary file in a text box. pack [text .t -height 20 -width 80] .t insert 1.0 [ exec cat /usr/share/dict/words] get all text from a text widget.

Tcl exec sed

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    Calling SED using exec in TCL . Thank You Neil, I tried using your solution and it seems to be as fast as using sed . lac . Mon, 10 Nov 2008 04:27:29 GMT : Page 1 of 1 [ 8 post ] Relevant Pages . 1. problems running commands (like sed ) using exec . 2.. Apr 22, 2020 · TCL 쉘에서 변수를 실행하는 동안 sed 명령에서 변수를 대체하려고하는 문제가 있습니다. 아래는 제가 시도한 것입니다. 아래 오류가 표시됩니다. 오류 : sed : -e expression # 1, char 75 :`s '에 대한 알 수없는 옵션 자세한 정보는 error_info를 사용하십시오. (CMD-013) 스택 .... #! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated automatically using autoconf version 2.13 # Copyright (C) 1992, 93, 94, 95. exec supports a variety of I/O redirection options, similar to those supported by standard Unix shells. See the reference page for a complete list. See the reference page for a complete list. For example, the following command executes the Unix ls command and writes the output to the file ls-output.txt :. delimited, and in what way when exec'ing awk & sed from tcl. I now have a lot of little one-line awk executable files to provide formatted inputs to text widgets, create button lists, etc.. Could someone please show the correct way to delimit the following: awk -F= '{print $1}' | sed 's/"//' TIA; Don . Sat, 23 Aug 1997 04:49:04 GMT. >> Someone suggests that sed command could be replaced by a tcl code, I >> think that exec sed is more efficient that develop a tcl routinme for >> this, what is your opinion about it in term of run time. > >It depends on the size of the data. >For a small file the fork/exec overhead of sed loses the battle. Introduction. Jim is an opensource small-footprint implementation of the Tcl programming language. It implements a large subset of Tcl and adds new features like references with garbage collection, closures, built-in Object Oriented Programming system, Functional Programming commands, first-class arrays and UTF-8 support.All this with a binary size of about 100-200kB. A global Tcl variable varName is set when the program has completed. Introduction Tcl's exec command is very useful for gathering information from the operating system. It runs a program and returns the output as its result. This works well for Tcl-only applications. But for Tk applications, a problem occurs when the program takes time to process.. O ne scripting language without which it will be very difficult to survive in VLSI Industry, that would definitely be TCL (Tool Command Language). TCL is widely used everywhere in the VLSI industry because many tools are based on the tcl. ... exec sed . Example-1: If we want to replace a line having particular unique pattern completely by. There are many simple example scripts that every Tcl/Tk programmer should keep around for reference. They are good examples of Tcl/Tk techniques, and they're just plain handy sometimes. ... It is probably easier to just run sed externally (with [exec]) for anything that is very complex and where you've not the time to reimplement. 2. sed '/ .*#/d' blank.dat // removes initial spaces followed by # BUT no the line starting with # // . requires at least one space 3. sed '/ *#/d' blank.dat // solution: removing all # - at the beginning of the line or with leading spaces.

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    . Apr 09, 2010 · Sed and Awk 101 Hacks eBook - Enhance Your UNIX / Linux Life with Sed and Awk; Vim 101 Hacks eBook - Practical Examples for Becoming Fast and Productive in Vim Editor; Nagios Core 3 eBook - Monitor Everything, Be Proactive, and Sleep Well. Tcl - Regular Expressions. The "regexp" command is used to match a regular expression in Tcl.A regular.

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    Calling SED using exec in TCL. Thank You Neil, I tried using your solution and it. A 'text box' in tcl /tk is a box which can contain editable and formattable text. It has many capabilities but in its basic form is simple to use. display the unix dictionary file in a text box. pack [text .t -height 20 -width 80] .t insert 1.0 [ exec cat /usr/share/dict/words] get all text from a text widget. May 23, 2006 · Hi, I have been trying to call SED from TCL using the exec function and it behaves differently then if I called the same SED function from the shell (command line).. Sep 23, 2021 · O ne scripting language without which it will be very difficult to survive in VLSI Industry, that would definitely be TCL (Tool Command Language). TCL is widely used everywhere in the VLSI industry because many tools are based on the tcl. We can directly interact with the tool using tcl CLI (Command Line Interpreter).. Your mistake is to use the single quote character ' to enclose the sed expression. That character is an enclosing operator in sh , but has no meaning in Tcl.You use it in sh to group many words in a single argument that is passed to sed, so you have to do the same, but using Tcl syntax:. Feb 24, 2022 · 2. Satisfying the bracketing necessary to edit a string (exec sed, or regsub) 3. Hi I want to write tcl script to remove the following control characters from a file. [m ^M ^H ^[For this I want to use "sed". I have been succesful in doing the third and the fourth using eval and sed, but have no success with the first two. Note: I do know that to have control character ^M, I have to use Ctrl+V and Ctrl+M. . Every time I get to the sed portion, it returns: can't read "(sed -n '/^secret=/s///p' ~/.Auth.sc)": no such variable while executing I am at a loss for what to do, but highly suspect is has to do with the backslashes and escaping them. Am I on the right track?. Quali is the leading provider of Cloud Sandboxes for automating the DevOps lifecycle I've explained how the script works in the comments Faces Of Death Alligator Attack 06: CVE-2021-1249: 01/21/2021: 8 Using Cisco IOS Exec-Mode Parser in the Tcl Shell 34 Using Cisco IOS Exec-Mode Parser in the Tcl Jan 02, 2022 · 1.Modify file run_ippack.tcl in solution dir of vitis_hls. Redisplay with delimiter separator. exec sed -E ' :label N $!b label s/\n/:/g '. With output result as below: ./05-unique.sh my-songs.txt :60s:70s:jazz:pop:rock. This is not a perfect result, but it is enough for me. If you desire to make it more cryptic, you can combine a. Nov 30, 2008 · After some experimentation, I conclude that tcl exec function sets up its own command pipelines. Because it sets up the pipeline, it does not do single quote substitution in the way that the shell does (e.g. sh, bash, etc). For tcl, grouping is done with double quotes and curly braces, the quotes allowing substitution.. Ok. I have a problem in TCL that I hope someone here can help me out with. The problem is with using the 'exec/eval' command. I want to be able to execute a command where the command involves an environment variable. Apr 08, 2008 · Hi all, I am trying to run a tcl script in a perl script. Now my problem is when I run the tcl script from the perl script it runs very slowly but when I run the tcl script individually it is running at expected speed. What could be the problem?? Help please!!!! Thanks (0 Replies). O ne scripting language without which it will be very difficult to survive in VLSI Industry, that would definitely be TCL (Tool Command Language). TCL is widely used everywhere in the VLSI industry because many tools are based on the tcl. ... exec sed . Example-1: If we want to replace a line having particular unique pattern completely by. Delete range of lines. The sed command can be used to delete a range of lines. The syntax is shown below: > sed 'm,nd' file. Here m and n are min and max line numbers. The sed command removes the lines from m to n in the file. The following sed command deletes the lines ranging from 2 to 4: > sed. Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. Quali is the leading provider of Cloud Sandboxes for automating the DevOps lifecycle I've explained how the script works in the comments Faces Of Death Alligator Attack 06: CVE-2021-1249: 01/21/2021: 8 Using Cisco IOS Exec-Mode Parser in the Tcl Shell 34 Using Cisco IOS Exec-Mode Parser in the Tcl Jan 02, 2022 · 1.Modify file run_ippack.tcl in solution dir of vitis_hls project. XX\test .... 2. Satisfying the bracketing necessary to edit a string ( exec sed , or regsub) 3. Taking that edited output and writing it to a new variable. I'm taking the prompt on devices that's a hostname ending with a colon. IE: devicename: I'm grabbing it with expect_out(buffer). This script will back up Cisco device configurations by reading 2 files: command.db and device.db . It loads them into a data dictionary and iterates through it using a control loop. It then logs into the device, by shelling out to rancid, and executes all its commands. Its a little hacky, but works. I even wrote a shell script to parse the. 1911 fitting tools. When in doubt, use the command auto_execok: it will return the complete path to the program as seen by the exec command. This applies especially when you want to run “internal” commands like dir from a Tcl script (if you just want to list filenames, use the glob command.) To do that, use this: exec {*}[auto_execok dir] *.tcl.Answer: In this article, let us. However, Tcl is also useful as a scripting language to tie other packages together. To accomplish this function, Tcl has methods for invoking subprocesses. There are two ways to invoke a subprocess from Tcl: open..... run a new program with I/O connected to a file descriptor exec..... run a new program as a subprocess. Running Tcl.When you have installed Tcl, the program you will then call to. The equivalent in Tcl is enclosing a word in { braces }; it gives no special treatment at all to the characters inside. Thus, what you seek to do would be: exec /bin/ sed {s/ +/ /g} $file. Also, you can embed sed calls into Tcl using the Tcl 'exec' command if you want to go down that route. Also, have a look at the Tcl Manual pages. 3. Share. A Tcl library that validates, collects, composes JSON data against supplied schemas and to/from Tcl data. - xjson.tcl/install.tcl at main · ianka/xjson.tcl. May 15, 2019 · The exec command can be used in two modes: Exec with a command as an argument: In the first mode, the exec tries to execute it as a command passing the remaining arguments. For tcl, grouping is done with double quotes and curly braces, the quotes allowing substitution. To get single quotes to a command that you want executed, you could do: Code: set x [ exec bash -c "echo abc | sed 's,b,x,'" ] which produced for me: Code: axc. Feb 24, 2022 · 2. Satisfying the bracketing necessary to edit a string (exec sed, or. All groups and messages ....

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    Calling SED using exec in TCL . Thank You Neil, I tried using your solution and it seems to be as fast as using sed . lac . Mon, 10 Nov 2008 04:27:29 GMT : Page 1 of 1 [ 8 post ] Relevant Pages . 1. problems running commands (like sed ) using exec . 2.. Also, you can embed sed calls into Tcl using the Tcl 'exec' command if you want to go down that route. Also, have a look at the Tcl Manual pages. 3. Share. Report Save. level 2 ... Can I embed sed in the tcl code? And how would I do so with sed. 1. Share. Report Save. Continue this thread. History for tcltests /test_ exec . tcl . 2011-04-23. 01:49. Deleted: Clean out the tcltests directory Some tests are already in tests/, move some others. Move some examples to the examples directory Signed-off-by: Steve Bennett <[email protected]> check-in: [e0d7f9c6cf] user: [email protected] branch: trunk, size: 0..

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    Using awk & sed from tcl /tk Page 1 of 1 [ 1 post ] Relevant Pages 1. Extracting hyphenated words using sed /awk 2. ... and in what way when exec'ing awk & sed from tcl. I now have a lot of little one-line awk executable files to. provide formatted inputs to text widgets, create button lists, etc. Apr 09, 2010 · Sed and Awk 101 Hacks eBook - Enhance Your UNIX / Linux Life with Sed and Awk; Vim 101 Hacks eBook - Practical Examples for Becoming Fast and Productive in Vim Editor; Nagios Core 3 eBook - Monitor Everything, Be Proactive, and Sleep Well. Tcl - Regular Expressions. The "regexp" command is used to match a regular expression in Tcl.A regular. delimited, and in what way when exec'ing awk & sed from tcl. I now have a lot of little one-line awk executable files to provide formatted inputs to text widgets, create button lists, etc.. Could someone please show the correct way to delimit the following: awk -F= '{print $1}' | sed 's/"//' TIA; Don. I have been trying to call SED from TCL using the exec function and it behaves differently then if I called the same SED function from the shell (command line). I am trying to extract only certain. TCL is string based scripting language and also a procedural language. It was first created by John Osterhout in 1989. The purpose of developing this language is easy embedded inti ( ) applications. The language is commonly used for GUIs and testing. For instance, rapid prototyping, Testing database interaction, etc.

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    Re: NAMD 2.14 fatal error executing tcl script. From: Alsaloum, Matthew (matthew.alsaloum_at_yale.edu) Date: Tue Oct 20 2020 - 11:10:20 CDT Next message: zeynab. Sep 23, 2021 · O ne scripting language without which it will be very difficult to survive in VLSI Industry, that would definitely be TCL (Tool Command Language). TCL is widely used everywhere in the VLSI industry because many tools are based on the tcl. We can directly interact with the tool using tcl CLI (Command Line Interpreter).. However, Tcl is also useful as a scripting language to tie other packages together. To accomplish this function, Tcl has methods for invoking subprocesses. There are two ways to invoke a subprocess from Tcl: open..... run a new program with I/O connected to a file descriptor exec..... run a new program as a subprocess. Running Tcl.When you have installed Tcl, the program you will then call to. Delete range of lines. The sed command can be used to delete a range of lines. The syntax is shown below: > sed 'm,nd' file. Here m and n are min and max line numbers. The sed command removes the lines from m to n in the file. The following sed command deletes the lines ranging from 2 to 4: > sed. First Tcl Program. Let us write a simple Tcl program. All Tcl files will have an extension, i.e., .tcl. So, put the following source code in a test.tcl file. Live Demo. #!/usr/bin/tclsh puts "Hello, World!" Assuming, Tcl environment is setup correctly; let's run the program after switching to file's directory and then execute the program using ....

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    Tcl exec sed is marketside butcher beef halal is coinbase safe to link bank account 2004 tahoe vibration when accelerating hakie follower bot Tcl does not spawn another shell (be it sh or bash or tcsh) when you use [open] or [ exec ]. Tcl IS the shell. So first of all '' quoting is wrong because Tcl doesn't understand it. Search: Cisco Shell Scripting. This shortcut invokes wrenv to open a Windows command prompt configured for Workbench development 2(14)S before 12 Thanks in advance, Jeeva Ganesan From Chapter 1 of "Learn Windows PowerShell in a Month of Lunches" If you are designing a website, then you can find all the resources you need for webmasters and web. 2. sed '/ .*#/d' blank.dat // removes initial spaces followed by # BUT no the line starting with # // . requires at least one space 3. sed '/ *#/d' blank.dat // solution: removing all # - at the beginning of the line or with leading spaces. ,bash, exec , tcl ,interactive,Bash, Exec , Tcl ,Interactive,Bash命令可从交互式tclsh会话获得。 例如,在tclsh会话中,您可以 % ls 而不是 $ exec ls 但是,您不能有一个直接调用bash命令的 tcl 脚本(即没有 exec ) 我如何使tclsh在解释 tcl 脚本文件时识别bash命令.

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    ,bash, exec , tcl ,interactive,Bash, Exec , Tcl ,Interactive,Bash命令可从交互式tclsh会话获得。 例如,在tclsh会话中,您可以 % ls 而不是 $ exec ls 但是,您不能有一个直接调用bash命令的 tcl 脚本(即没有 exec ) 我如何使tclsh在解释 tcl 脚本文件时识别bash命令. 2. sed '/ .*#/d' blank.dat // removes initial spaces followed by # BUT no the line starting with # // . requires at least one space 3. sed '/ *#/d' blank.dat // solution: removing all # - at the beginning of the line or with leading spaces. Every time I get to the sed portion, it returns: can't read "(sed -n '/^secret=/s///p' ~/.Auth.sc)": no such variable while executing I am at a loss for what to do, but highly suspect is has to do with the backslashes and escaping them. Am I on the right track?. Using awk & sed from tcl /tk Page 1 of 1 [ 1 post ] Relevant Pages 1. Extracting hyphenated words using sed /awk 2. ... and in what way when exec'ing awk & sed from tcl. I now have a lot of little one-line awk executable files to. provide formatted inputs to text widgets, create button lists, etc. Quali is the leading provider of Cloud Sandboxes for automating the DevOps lifecycle I've explained how the script works in the comments Faces Of Death Alligator Attack 06: CVE-2021-1249: 01/21/2021: 8 Using Cisco IOS Exec-Mode Parser in the Tcl Shell 34 Using Cisco IOS Exec-Mode Parser in the Tcl Jan 02, 2022 · 1.Modify file run_ippack.tcl in solution dir of vitis_hls. The three lines cause both sh and tclsh to process the script, but the exec is only executed by sh. sh processes the script first; it treats the second line as a comment and executes the third line. The exec statement cause the shell to stop processing and instead to start up tclsh to reprocess the entire script. Apr 09, 2010 · Sed and Awk 101 Hacks eBook - Enhance Your UNIX / Linux Life with Sed and Awk; Vim 101 Hacks eBook - Practical Examples for Becoming Fast and Productive in Vim Editor; Nagios Core 3 eBook - Monitor Everything, Be Proactive, and Sleep Well. Tcl - Regular Expressions. The "regexp" command is used to match a regular expression in Tcl.A regular. Quali is the leading provider of Cloud Sandboxes for automating the DevOps lifecycle I've explained how the script works in the comments Faces Of Death Alligator Attack 06: CVE-2021-1249: 01/21/2021: 8 Using Cisco IOS Exec-Mode Parser in the Tcl Shell 34 Using Cisco IOS Exec-Mode Parser in the Tcl Jan 02, 2022 · 1.Modify file run_ippack.tcl in solution dir of vitis_hls. If (in tcl 8.1 or above) tcl has misinterpreted the charset of some string gotten from an external program or system function, and you are left with a string with Latin-1 accented characters (\u0080-\u00FF) instead of your language letters, you can fix the string using. Answer: In this article, let us review very quickly how to write a basic Hello World Tcl program and execute tcl program on Linux or Unix OS. 1. Write a Hello World Tcl Program. Create the helloworld program using the Vim editor as shown below. $ vim helloworld.tcl #!/usr/bin/tclsh # hello world sample program puts "Hello, World !". The exec call is similar to invoking a program (or a set of programs piped together) from the prompt in an interactive shell or a DOS-box or in a UNIX/Linux shell script. It supports several styles of output redirection, or it can return the output of the other program (s) as the return value of the exec call. open |progName ?access?. now the user can execute the script, right. But also the user can view the file by "cat /usr/bin/script" but the user should not view the file and only they should execute the script. I belive that if the permission is set only to "1" then the user cannot execute the script. Kindly help me on this regards. Thanksyou once again.. After some experimentation, I conclude that tcl exec function sets up its own command pipelines. Because it sets up the pipeline, it does not do single quote substitution in the way that the shell does (e.g. sh, bash, etc). For tcl, grouping is done with double quotes and curly braces, the quotes allowing substitution. For tcl, grouping is done with double quotes and curly braces, the quotes allowing substitution. To get single quotes to a command that you want executed, you could do: Code: set x [ exec bash -c "echo abc | sed 's,b,x,'" ] which produced for me: Code: axc. Feb 24, 2022 · 2. Satisfying the bracketing necessary to edit a string (exec sed, or. History for tcltests /test_ exec . tcl . 2011-04-23. 01:49. Deleted: Clean out the tcltests directory Some tests are already in tests/, move some others. Move some examples to the examples directory Signed-off-by: Steve Bennett <[email protected]> check-in: [e0d7f9c6cf] user: [email protected] branch: trunk, size: 0.. Apr 09, 2010 · Answer: In this article, let us review very quickly how to write a basic Hello World Tcl program and execute tcl program on Linux or Unix OS. 1. Write a Hello World Tcl Program. Create the ... 在tcl中的使用方法如下: exec sed-i {s/hello linux/hello fedora/g}. After some experimentation, I conclude that tcl exec function sets up its own command pipelines. Because it sets up the pipeline, it does not do single quote substitution in the way that the shell does (e.g. sh, bash, etc). For tcl, grouping is done with double quotes and curly braces, the quotes allowing substitution. Sep 11, 2019 · 在 Tcl 脚本中调用的 sed 命令中使用变量 2012-07-19; ... So it sounds as though exec isn't going to fit your needs in this case. Instead, let's turn our attention to interprocess pipes. In Tcl, you can create a pipe to a program with the open command. But instead of giving the name of a file to open, you give a. Jan 13, 2009 · 2. sed '/ .*#/d' blank.dat // removes initial spaces followed by # BUT no the line starting with # // . requires at least one space 3. sed '/ *#/d' blank.dat // solution: removing all # - at the beginning of the line or with leading spaces. The Tcl extension module gives access to the Tcl library with functionality and interface similar to the C functions of Tcl. In other words, you can. create Tcl interpreters. The Tcl interpreters so created are Perl objects whose destructors delete the interpreters cleanly when appropriate. 如何从tcl脚本调用bash命令?,bash,exec,tcl,interactive,Bash,Exec,Tcl,Interactive,Bash ... /root/textfile 用花括号括起指令. zhangbg 关注 0 1 4 专栏目录 sed 基本常用命令 weixin_30600503的博客 86 sed的 基本操作 sed 's/a/b/g' 文件a 把文件a 中的 a修改成b 注意这只是. Tcl exec sed is marketside butcher beef halal is coinbase safe to link bank account 2004 tahoe vibration when accelerating hakie follower bot Tcl does not spawn another shell (be it sh or bash or tcsh) when you use [open] or [ exec ]. Tcl IS the shell. So first of all '' quoting is wrong because Tcl doesn't understand it.

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    Also, you can embed sed calls into Tcl using the Tcl 'exec' command if you want to go down that route. Also, have a look at the Tcl Manual pages. 3. Share. Report Save. level 2 ... Can I embed sed in the tcl code? And how would I do so with sed. 1. Share. Report Save. Continue this thread. Nov 30, 2008 · For tcl, grouping is done with double quotes and curly braces, the quotes allowing substitution. To get single quotes to a command that you want executed, you could do: Code: set x [ exec bash -c "echo abc | sed 's,b,x,'" ] which produced for me: Code: axc.. "/>. The advantage with these Tcl commands is that, you can define your own implementation for any of these commands to replace the original built-in functionality. Each of the Tcl commands validates the input and it reduces the work of the interpreter. Tcl command is actually a list of words, with the first word representing the command to be executed.

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    There are many simple example scripts that every Tcl/Tk programmer should keep around for reference. They are good examples of Tcl/Tk techniques, and they're just plain handy sometimes. ... It is probably easier to just run sed externally (with [exec]) for anything that is very complex and where you've not the time to reimplement. The equivalent in Tcl is enclosing a word in { braces }; it gives no special treatment at all to the characters inside. Thus, what you seek to do would be: exec /bin/ sed {s/ +/ /g} $file. Also, you can embed sed calls into Tcl using the Tcl 'exec' command if you want to go down that route. Also, have a look at the Tcl Manual pages. 3. Share. 2. sed '/ .*#/d' blank.dat // removes initial spaces followed by # BUT no the line starting with # // . requires at least one space 3. sed '/ *#/d' blank.dat // solution: removing all # - at the beginning of the line or with leading spaces. Hi I want to write tcl script to remove the following control characters from a file. [m ^M ^H ^[For this I want to use "sed". I have been succesful in doing the third and the fourth using eval and sed, but have no success with the first two. Note: I do know that to have control character ^M, I have to use Ctrl+V and Ctrl+M. A global Tcl variable varName is set when the program has completed. Introduction Tcl's exec command is very useful for gathering information from the operating system. It runs a program and returns the output as its result. This works well for Tcl-only applications. But for Tk applications, a problem occurs when the program takes time to process... TCL 쉘에서 변수를 실행하는 동안 sed 명령에서 변수를 대체하려고하는 문제가 있습니다. 아래는 제가 시도한 것입니다. 아래 오류가 표시됩니다. 오류 : sed : -e expression # 1, char 75 :`s '에 대한 알 수없는 옵션 자세한 정보는 error_info를 사용하십시오. (CMD-013) 스택. sedtcl中的使用. Joey_Zhang_Libra: 在tcl中的使用方法如下: exec sh -c {sed -i s/hello linux/hello fedora/g /root/textfile} grep应用实例. zhangbg: 也就是说 grep 'pattern' fileList pattern使用的meta字符,比如*表示重复前个字符0到多次; 但fileList使用的meta字符,比如*表示.

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exec supports a variety of I/O redirection options, similar to those supported by standard Unix shells. See the reference page for a complete list. See the reference page for a complete list. For example, the following command executes the Unix ls command and writes the output to the file ls-output.txt :
A Tcl identifier is a name used to identify a variable, function, or any other user-defined item. An identifier starts with a letter A to Z or a to z or an underscore (_) followed by zero or more letters, underscores, dollars ($) , and digits (0 to 9). Tcl does not allow punctuation characters such as @, and % within identifiers.
Tcl exec sed 280 mulberry streetarkansas parole absconders All groups and messages .... 23. Duplicate matched text after adding a space after the text. The following `sed` command will search the word, 'to' in the file, python.txt and if the word exists then the same word will be inserted after the search word by adding space.
Sep 22, 2008 · >> Someone suggests that sed command could be replaced by a tcl code, I >> think that exec sed is more efficient that develop a tcl routinme for >> this, what is your opinion about it in term of run time. > >It depends on the size of the data. >For a small file the fork/exec overhead of sed loses the battle.
TCL 쉘에서 변수를 실행하는 동안 sed 명령에서 변수를 대체하려고하는 문제가 있습니다. 아래는 제가 시도한 것입니다. 아래 오류가 표시됩니다. 오류 : sed : -e expression # 1, char 75 :`s '에 대한 알 수없는 옵션 자세한 정보는 error_info를 사용하십시오. (CMD-013) 스택 ...