WebJul 16, 2009 · About the author: Vivek Gite is the founder of nixCraft, the oldest running blog about Linux and open source. He wrote more than 7k+ posts and helped numerous … WebApr 19, 2024 · % while (1) echo hello while: Expression Syntax. and it doesn't allow piping a command's output into a loop. If you must use csh/tcsh for some reason, you can write a script to encapsulate your while loop and pipe your command's output to that script, or you can invoke an sh or bash process to do the work for you:
C Shell Scripts - VUB
WebMar 3, 2024 · done. echo False. Save this script in another file with the .sh extension. You can follow the same steps as above to execute the shell script. As soon as the script is … WebMar 16, 2024 · btw, the sh read loop will also terminate when it reaches EOF but it's not so obvious because it's reading the file one line at a time. Also BTW, relying on this is introducing a deliberate race-condition to your code - if you want to continuously read a file as it is growing, use tail -f in either a pipe or a process substitution. Finally, if you don't … railway sleeper pegs
Unix: csh Shell Loop Example - nixCraft
WebAnother useful trick is the while read loop. This example uses the case statement, which we'll cover later. It reads from the file myfile.txt, and for each line, tells you what language it thinks is being used. (note: Each line must end with a LF (newline) - if cat myfile.txt doesn't end with a blank line, that final line will not be processed.). This reads the file "myfile.txt", … WebJul 5, 2024 · man csh gives some reference material regarding case and switch. So would that be something like: switch $1 case foo: /path/to/foo.sh breaksw case bar: /path/to/bar.sh breaksw default: breaksw endsw ...sorry I can't seem to format stuff in a comment. WebThe following example shows how one could test for the proper usage of a C Shell script: #!/bin/csh # # Example script requires 2 command line arguments # 1) the name of an … railway sleeper paving