10 More Discussions You Might Find Interesting
1. 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)
Discussion started by: jvoot
7 Replies
2. 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)
Discussion started by: cue
5 Replies
3. 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)
Discussion started by: dunsta
2 Replies
4. 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)
Discussion started by: ozum
3 Replies
5. 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)
Discussion started by: RubinPat
3 Replies
6. 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 $variable
I'm having trouble storing the URL because it contains the meta character "&" which is being interpreted... thus when I run the... (4 Replies)
Discussion started by: kds1398
4 Replies
7. Shell Programming and Scripting
:confused:Hi ,
Can someone please advise what is the meaning of metacharacters in below code?
a_PROCESS=${0##*/}
a_DPFX=${a_PROCESS%.*}
a_LPFX="a_DPFX : $$ : "
a_UPFX="Usage: $a_PROCESS"
Regards,
gehlnar (3 Replies)
Discussion started by: gehlnar
3 Replies
8. 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)
Discussion started by: A1977
3 Replies
9. 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)
Discussion started by: regencyabs
1 Replies
10. 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)
Discussion started by: jrdnoland1
4 Replies