All Questions
64
questions
56
votes
1
answer
33k
views
Wildcards inside quotes
This will be an easy one, but in my memories, when shell scripting, using double quotes would allow expanding globbing and variables.
But in the following code:
#!/bin/sh
echo *.sh
echo "*.sh"
echo ...
- 683
32
votes
5
answers
53k
views
How to make bash glob a string variable?
System Info
OS: OS X
bash: GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin16)
Background
I want time machine to exclude a set of directories and files from all my git/nodejs project. My ...
- 4,785
30
votes
5
answers
59k
views
Bash script error with strings with paths that have spaces and wildcards
I am having trouble getting the basics of Bash scripting down. Here's what I have so far:
#!/bin/bash
FILES="/home/john/my directory/*.txt"
for f in "${FILES}"
do
echo "${f}"
done
All I want to ...
- 525
25
votes
2
answers
19k
views
Delete all files starting with a question mark
I have a folder in which I have around 4k files. Some of these files start with a a ? or ! character. I need to delete them but can't find an expression that would do so:
rm -f ./?*
just deletes ...
- 453
21
votes
1
answer
2k
views
Why doesn't 'find' show this file? [duplicate]
Using find with grep, one can locate files that match a pattern:
# find | grep error
./solr-modifiedSolr4/SolrPhpClient/phpdocs/errors.html
./error_log
./includes/classes/error_log
However, using ...
- 16.1k
16
votes
2
answers
5k
views
How are double quotation marks in bash matched (paired)?
I am using GNU bash 4.3.48. Consider the following two commands that only differ by a single dollar sign.
Command 1:
echo "(echo " * ")"
Command 2:
echo "$(echo " * ")"
The output of them are, ...
- 3,418
10
votes
2
answers
9k
views
ls with a wildcard
This works from the terminal:
ls /dev/sda*
I want it in a bash script, using a variable. I tried:
device="a"
ls "/dev/sd"$device"*"
But I get the error: ls: cannot access '/dev/sda*': No such file ...
- 1,793
10
votes
2
answers
1k
views
What is the difference between "*.pl" and *.pl in grep? Why does quoting change the result?
What is the difference between:
grep "string" . -r --include *.pl
and
grep "string" . -r --include "*.pl"
The latter includes files in subdirectoried while the former not. Why?
- 10.2k
10
votes
5
answers
5k
views
find not recursive when given a pattern on the command line
Imagine a source tree. There are xml files everywhere.
But since there is a XYZ.xml at the root of this tree it won't find my xml files.
find -iname *.xml
returns
./XYZ.xml
instead of
./XYZ.xml
....
- 371
10
votes
1
answer
11k
views
Bash substitution with variable defined from a glob pattern
The below example explains the issue. Why is the FILENAME printed correctly when echoed and perceived as a pattern when using substitution?
#!/bin/bash
FILEPATH_WITH_GLOB="/home/user/file_*"
...
- 6,030
10
votes
1
answer
17k
views
Using a variable as a case condition in zsh
My question is the zsh equivalent of the question asked here: How can I use a variable as a case condition? I would like to use a variable for the condition of a case statement in zsh. For example:
...
- 393
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
9
votes
3
answers
6k
views
ImageMagick on multiple files
I have converted a single file from BMP to PNG with ImageMagick's convert using the command below
convert CD\ Front.bmp CD\ Front.png
I have many such files, thus I tried:
for f in */*.bmp ; do ...
- 93
7
votes
2
answers
6k
views
OpenSSH: Prevent globbing on SSH_ORIGINAL_COMMAND
I have the following setup where I use an OpenSSH server to remotely start a certain command using ssh.
My authorized_keys file has the following entry:
command="/path/to/script.sh $...
- 5,983
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/...
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