All Questions
64
questions
2
votes
1
answer
4k
views
Cannot stop bash to expand star (wildcard character) passed to app from shellscript
I have a shell bash script wich should pass the star ["*"] wildcard character to an application without using quotation marks.
I am reading since hours and always find to use "set -f" inside the ...
- 161
0
votes
1
answer
1k
views
globbing and wildcards
Are wildcards ever supposed to be expanded for a program that is not the first in the pipeline? Every example uses wildcard for the first program in the pipelilne.
For example, the following does ...
- 4,275
9
votes
1
answer
1k
views
Why does `grep fil*` fail?
I found echo file|grep fil* fails, but echo abcd|grep abc* succeeds.
I don't understand it, can someone explain?
- 783
4
votes
2
answers
159
views
confusing about double quoting
I learned when I use command, double quoting treat all things as character except $, `, \ .
But, when use command like find -type f -name "*.jpg" *.jpg is inside double quotes. Then, it means we want ...
- 469
2
votes
1
answer
2k
views
Globbing error due to whitespace
My directory variable
POSTMAP="/work/Documents/Projects/untitled\ folder/untitled\ folder/*/*_tsta.bam"
My for statement:
for file0 in ${POSTMAP}; do
...
It seems that the whitespace in 'untitled ...
- 287
4
votes
4
answers
3k
views
How to escape shell metacharacters automatically with `find` command?
I've got a bunch of XML files under a directory tree which I would like to move to corresponding folders with the same name within that same directory tree.
Here is sample structure (in shell):
...
- 21.3k
6
votes
2
answers
8k
views
How to store a path built with wildcards and containing with spaces into a variable
Here's the situation (I'm on a Mac, OS X El Capitan):
# This works:
$ cd /Applications/Adobe\ Illustrator*/Cool\ Extras.localized/en_US/Templates/;
# These do not work:
$ INSTALL_DIR=/Applications/...
- 1,809
1
vote
1
answer
119
views
find command match issue [duplicate]
I'm having some trouble while searching files with find command and the way it handles the search.
Let's say I'm currently in the directory /tmp and the directory contains the files: backup-20151219....
- 23
2
votes
1
answer
1k
views
bash regex: asterisk gives ambiguous search results with grep
I am using a simple text file to test the * meta-character through grep.
The text file is as below:
1
11
111
1111
11111
111111
d
da
daa
daaa
b
bc
bcc
bccc
Now when I search digit 1 using grep like ...
- 71
1
vote
2
answers
1k
views
Internal expansion with the find command and wildcard character [duplicate]
I'm still learning the command line and I am having some trouble fully understanding the use of the wildcard within the find command.
I'm working in the directory user/temp and use the find command ...
- 13
1
vote
1
answer
514
views
Having trouble with img2pdf and spaces in filenames
I am trying to convert a bunch of jpeg files to a pdf file.
When I type the filenames with the quotes all is fine:
$ img2pdf "./Page 001.jpg" "./Page 002.jpg" -o book.pdf
When I go for the ...
- 151
3
votes
3
answers
3k
views
Why are square brackets preventing shell expansion?
'4800483343' is a directory, and 'file1' & 'file2' are two files in it.
Why is the following happening?
$ ls 4800483343
file1 file2
$ md5sum 4800483343/*
36468e77d55ee160477dc9772a99be4b ...
- 4,087
3
votes
4
answers
4k
views
Bash: move files of specific pattern
I write a script that iterates over a set of zip files, extracts them and moves only files that match a specific filename pattern to another folder.
The script:
#!/bin/bash
ARCHIVE_FILEMASK="????-??...
- 87
2
votes
2
answers
1k
views
Cannot run command inside bash variable including square brackets with nullglob
Assuming I want to run commnand stored inside the variable with nullglob turned on. For example:
shopt -s nullglob
a="echo [foo]bar"
${a}
This gives me an empty output due to the nullglob option of ...
- 23
-1
votes
1
answer
636
views
Assign regular expression as character for a variable
I am wondering is there is a way to assign a regular expression as a character in a string to a variable and not have the regular expression change my variable.
For example:
in my directory I am ...
- 1