WebNov 11, 2015 · CSH Calculator Script. Using the C Shell, I'm building a script that will compute simple mathematical computations (addition, subtraction, multiplication, division). The user will enter two integers (operands) on the command line separated by the operation (operator) they wish to perform.
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WebMar 29, 2010 · Assuming you're using the bash shell, the following can be helpful when composing long command lines. Start typing on the command line and then type Ctrl-x Ctrl-e, it should drop you into your system's default editor (hopefully Vim) and allow you to edit the command line from there. Once finished, save the command line, and bash will run … WebFor bash, edit the .bashrc file. For csh, edit the .cshrc file. Use your favorite text editor and append the line. stty erase ^? to the end, using the same method above (CTRL-v + Backspace ) Then, either log out/in or re-read the login script by doing the following: At the prompt, type: source ~/.bashrc. or. source ~/.cshrc; backspace. income eligibility for food stamps oregon
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WebIn recent versions of Ubuntu you use the alternatives system to manage the default, editor, e.g.: update-alternatives --set editor /usr/bin/vim.basic. To see which editors are … WebApr 6, 2024 · To delete a line from a file with the sed command, use the d subcommand and the syntax: sed '#d' filename.txt. Specify the line number you want to remove instead of the hash ( #) symbol and run the command. For instance, to remove the second line from the foxinbox.txt file, type: sed '2d' foxinbox.txt. WebJul 14, 2024 · The .cshrc file is the csh startup file. In addition, users can edit or create a particular file in their home directory called .cshrc. It is read every time you begin a new csh ( C Shell ) session. Purpose. The .cshrc file in your home directory contains commands and other environment variables, including aliases. income eligibility for head start