1. Shell Programming and Scripting

Is there a way to use metacharacters in a loop or in an if. I want to allow a user to enter Y, y, Yes, yes, Yah, etc... in a loop I tried: read response while *" ] do........ and while *" ] do ......... this works for grep or egrep but not in loops Why?????? (4 Replies)

2. UNIX for Dummies Questions & Answers

I want to display an asterisk to the screen as part of a string. I know how to use the Backslash to escape it's value. But how do I display it without showing the Backslash? (1 Reply)

3. Shell Programming and Scripting

Hello, I have a question, please (I am using tcsh). I thought that if you enclose something in double quotes, then the shell won't interpret it. For example, when I do: % echo "ls *" I get ls * However, if I do: % echo "!l" I get echo "ls -F" ls -F (3 Replies)

4. Shell Programming and Scripting

:confused:Hi , Can someone please advise what is the meaning of metacharacters in below code? a_PROCESS=${0##*/} a_DPFX=${a_PROCESS%.*} a_LPFX="a_DPFX : $$ : " a_UPFX="Usage: $a_PROCESS" Regards, gehlnar (3 Replies)

5. Shell Programming and Scripting

I'm trying to create a bash script that takes a URL as one of its arguments like this: ./script.sh http://url.cfm?asdf&asdf=234 variable=$1 echo $variable I'm having trouble storing the URL because it contains the meta character "&" which is being interpreted... thus when I run the... (4 Replies)

6. Shell Programming and Scripting

If I have a filename as filename.txt.20090807 and I use for FILE in `find . -name "filename*" -type f` do my_time=${FILE#./filename.txt.} I get my output as 20090807 However if my filename is filename.Y20090807.txt Is there a way I can use metacharacters in my... (3 Replies)

7. Shell Programming and Scripting

I have prepared a script to submit a string in a txt file. However there are somethings that I have to check before submitting the string in the txt file. One of those checks is to determine whether the string entered contains any metacharacters. I have tried sth like; echo "string" | grep -v ... (3 Replies)

8. UNIX for Dummies Questions & Answers

1) I want to display all the files in a directory that start with the word chapter, are followed by a digit 1,2,6,8, or 9 and end with .eps or .prn so I came up with this file ~/temp/chapter.eps ~/temp/chapter.prn but is there a better way, i.e. combining both file types into the command? ... (2 Replies)

9. Shell Programming and Scripting

I have a file which contains a list of paths separated by a new line character. e.g /some/path/to/a/file.png /some/path to/another/file.jpeg /some path/to yet/another/file Notice that these paths may contain metacharacters, the spaces for example are also not escaped. If I wanted... (5 Replies)

10. UNIX for Dummies Questions & Answers

Hello, I'm new to command line coding (and coding in general) and have run into a problem. I'm using awk to perform a global find and replace in a text file in the Terminal provided by Mac. Here is a sample of my textfile where the fields are separated by tabs. 1Ps 1,1 VWB/(J VWB VWB... (7 Replies)