Strings are typically delimited by quotes, which raises the problem of dealing with strings that include quotes.

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5
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Bash prompt not recognizing Unicode escapes

I'm trying to customize my Bash prompt with Unicode characters and I'm having a bit of trouble. If I try to include a Unicode character like this: $ echo ☢ | hexdump -C 00000000 e2 98 a2 0a ...
3
votes
2answers
4k views

Read a file and copy to another file

I'm having a issue, I need to copy the file contents and remove a couple of lines if they match the output from a previous command. But so far, I'm having an issue in maintaining the file lines ...
3
votes
1answer
220 views

Escaping quotes for scp

I needed to write a that behaves correctly with nasty (spaces, braces, etc..) filenames. scp -rv "$1" shiny:/Volumes/Seagate3To/\"$1\" This function works, but I don't understand why the quotes ...
2
votes
1answer
1k views

permission denied executing script over ssh

When a web page is loaded on server A i want it to run a script on server B. I can do this with a series of commands from server A by logging into server B and executing the script, but it needs to be ...
1
vote
5answers
2k views

Identify folder in bash

I was trying to learn how to identify only folders within a folder on the main level. example: main -folder 1 -folder 2 -folder 3 I started with this script: #!/bin/bash ...
1
vote
2answers
233 views

How to scp folders with nasty names using a shell function

I am trying to write a function that I will put on all my machines in order to make it easy to send files at a fixed place on my network. Here is my script so far. Some folder may have duplicates ...
5
votes
2answers
6k views

Trouble in script with spaces in filename

I've got a script that scp's a file from remote host back to local. Sometimes the file names contain spaces. scp does not like spaces in its file names. For some reason my attempts at handling the ...
2
votes
1answer
1k views

Shell escape characters for sh -c

I need to execute a command with escaped argument(s) using sh -c. I know the string looks pretty ugly but simple ones don't cause a problem. The output of the echo when passed to sh -c is different ...
2
votes
2answers
94 views

Parameter expansion seems to be missing a piece

I'm currently learning how to write simple scripts and can't get my head around a very simple problem. I have the following command in my script... touch ${DIRECTORY}/${FILE} This command appears ...
8
votes
2answers
3k views

How can I use column to delimit on tabs and not spaces?

I'd like to use Unix column to format some text. I have fields delimited by tabs, but within each field there are also spaces. column delimits on white space (tabs and spaces). How can I make column ...
3
votes
2answers
517 views

Bash: passing braces as arguments to bash function

I love using the following pattern for searching in files: grep --color=auto -iRnHr --include={*.js,*.html,} --exclude-dir={release,dev,} "span" . I'd like, however, to have this one wrapped into a ...
3
votes
2answers
867 views

Colorizing tail output with sed

How would I go about colorizing the output of tail with sed? echo "`tput setaf 1`foo`tput op`" works as expected echo "foo" | sed -e 's/(foo)/`tput setaf 1`\0`tput op`/g' however, does not. What am ...
2
votes
2answers
135 views

Parameter splitting

I have a bash script that is a simple wrapper around another process: $ cat ~/bin/s3cmd #!/bin/sh trickle -u 80 ~/bin/s3cmd.py $* $ This works great when the parameters don't contain spaces. ...
19
votes
1answer
781 views

Why doesn't 'find' show this file?

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 ...
0
votes
1answer
382 views

Quotes exercise - how to do ssh inside ssh whilst running sql inside second ssh? [duplicate]

Possible Duplicate: Quoting in ssh $host $FOO and ssh $host “sudo su user -c $FOO” type constructs Wrapping a command that includes single and double quotes for another command I want to ...
4
votes
2answers
231 views

Is there any reason to escape a dot in a bash filename expansion?

I am working with a bash script that someone else wrote and I see the following line: cp -v ${LOG_DIR}/${APPLICATION}\.*.log ${ARCHIVED_LOG_DIR} The files with which it's working are all named ...
1
vote
0answers
91 views

How to make tcsh not insert whitespace in a command that spans multiple lines

Bash does not seem to insert whitespace but tcsh does. Tcsh bash-3.2.25$ tcsh -c 'echo $tcsh; echo A\ > B' 6.14.00 A B Bash bash-3.2.25$ bash -c 'echo A\ > B' AB How can I ask tcsh to not insert ...
0
votes
1answer
79 views

Find and use the path of a file?

I'm trying to find the path of a file and move it. When I try realpath, it is not useful. For example : I want to move the file All Hail the Generalist - Vikram Mansharamani - Harvard Business ...
7
votes
2answers
458 views

Why does --text=“$@” only pass the first word?

When I run the following script with some arguments like arg1 arg2 arg3: #!/bin/bash zenity --entry --text="$@" zenity creates an entry dialog with this text: "arg1" whereas I expect "arg1 arg2 ...
4
votes
1answer
719 views

Printing colored text using script

When I type below command in the shell I get the OUTPUT in green color. Command echo "\033[32mCONNECTING TO abpwrk\033[m"; Output(in green color) CONNECTING TO abpwrk But if I use the same ...
4
votes
5answers
4k views

How to enclose in quotes if both single and double quotes are already used?

I don't remember the exact commands and tricks that I use sometimes which solves much of the work, so I try to log them into a file for future reference. What I typically do is just put whole command ...
4
votes
2answers
348 views

Why am I observing different behaviour of echo?

I am a bash beginner and observed the below behavior of echo #!/bin/bash x=" hello" echo $x echo "$x" Now when I run the above code I get ronnie@ronnie:~$ bash test.sh hello hello ...
0
votes
2answers
187 views

sqlite fts quoting problem

I can do this in sqlite tool: sqlite> select caption from notes_fts where notes_fts MATCH '"perl install"'; but cannot from the Linux shell i.e., this fails: user@host:~$ sqlite3 sqldb ...
1
vote
4answers
214 views

Syntax error in a bash script that calls find

Where is the error in this script please: #!/bin/bash rep="git" files=`find' ${rep} '-type f` for f in ${files} do echo $f done When i run find git -type f alone in the shell, it works!
3
votes
2answers
510 views

how to grep for c:\

I'm using cygwin's grep to find all instances of hardcoded paths on c drive. doing: grep -r "c:\\" . gives grep: trailing backslash Does anybody know how I can do this?
2
votes
3answers
857 views

Is there a way to get *actual* (uninterpreted) shell arguments in a function or script?

I have a function posix that I use in the Git bash shell on Windows to transform DOS-style paths to normal Unix-style paths. Since DOS-style paths use a backslash as separator, I have to quote the ...
0
votes
1answer
253 views

How to run svn when ssh over ssh?

I need to run sudo -u wwwrun sh -c 'svn status -uq /srv/www/htdocs/loquat' over ssh. When using one ssh it works smoothly. Now there is one server that needs to be connected through another server via ...
3
votes
1answer
299 views

Bash script with quotes and spaces

I'm trying to get some nice output out of git: FORMAT='%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' LOG_PARAMS="--color --pretty=format:$FORMAT --abbrev-commit ...
1
vote
1answer
78 views

Apostrophe appearing as space

I am trying to insert the following message: friend's mobile number from a file over redhat server into sql server 2005. this message is appearing in the sql server as below: friend s mobile ...
1
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2answers
160 views

run bash in script

I want to creat a script to run an another script with a several parameter exp=([1]=bloc [2]=ins [3]=rep [4]=op) for j in ${!exp[*]} do arr=([1]=mem [2]=gen [3]=usr) for i in ${!arr[*]} ...
23
votes
3answers
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What does it mean to have a $“dollarsign-prefixed string” in a script?

I just saw this in an init script: echo $"Stopping Apache" What is that dollar-sign for? My research so far: I found this in the bash manual: extquote If set, $'string' and ...
3
votes
4answers
466 views

Piping paths with different types of quotes for slash substitution

I would like to use sed to convert a path with backslashes to the same path with forward slashes: E.g. I would like to pipe \\path\to\file\ and obtain /path/to/file None of the following commands ...
2
votes
1answer
502 views

Command substitution: file or command not found

The following script #!/bin/bash QUERY='select * from cdr;' MYROWS=$("sqlite3 -list -nullvalue NULL -separator ',' /var/log/asterisk/master.db '${QUERY}'") gives me ./bla.sh: row 35: sqlite3 -list ...
5
votes
2answers
4k views

Passing arguments with quotes and doublequotes to bash script

At this moment I have: #!/bin/bash screen -p 'ScreenName' -x eval 'stuff '"'"$@"'"'\015' echo eval 'stuff '"'"$@"'"'\015' But when I call my script as: # script.sh asd "asd" 'asd' my arguments ...
3
votes
1answer
1k views

Is it a bug for join with -t\t?

I have a problem with the command join. "The default join field is the first, delimited by whitespace" (Cited from join --help). However, there is a field containing sentences in my tab-delimted ...
1
vote
5answers
7k views

bash execute read command from file

After some manipulations, I got the file with commands that I would be glad to be able to execute. Input file (name of file is inp2.txt): "02 - Beautiful Emptiness.mp3" "02 - Come. mp3" "02 - Go ...
-1
votes
1answer
2k views

How to move file from one folder to another in shell script by changing the permission

I want to move a file from one folder to another folder. When the file's format is with space in between (file _name.dat) and when I am using the command mv file _name.dat /tmp then the file is not ...
1
vote
4answers
2k views

Appending a string containing escape character with sed

Currently I use: sed -i -e "5a\\ ${text}" $filename to append something to a certain line, where the variable text contains a string such as "\epsilon". When using echo -E $text the string is ...
4
votes
1answer
749 views

How to run this in sudo?

I have this line that I execute from php sudo -u db2inst1 -s -- "/opt/ibm/db2/current/bin/db2 connect to PLC; /opt/ibm/db2/current/bin/db2 \"update EDU.contact set MOBILE_PHONE = '123'\"" it works ...
15
votes
7answers
1k views

What is the difference between $* and $@?

Consider the following code: foo () { echo $* } bar () { echo $@ } foo 1 2 3 4 bar 1 2 3 4 It outputs: 1 2 3 4 1 2 3 4 I am using Ksh88, but I am interested in other common ...
3
votes
2answers
6k views

Change directory with space followed by '('

There are two directories I can change to: Program Files/ Program Files (x86)/ I can change to first one by writing: cd Program\ Files But the second for second one: cd Program\ Files\ ...
1
vote
2answers
674 views

Weird zsh grep -P behaviour

I connect to server with PuTTY from Windows. I have a long yet not touched (I suppose) by hands of local admin config: $ cat /opt/jira/.subversion/config ... ### must be enabled, which is ...
4
votes
3answers
6k views

Why does bash variable expansion retain quotes?

> echo "hi" hi > VAR='echo "hi"' > $VAR "hi" Why is the output of the above commands different? A similar thing occurs with single quotes: > VAR="echo 'hi'" > $VAR > 'hi'
1
vote
1answer
682 views

Escape text for further passing to zenity

I am going to show an error window using zenity: /usr/bin/zenity --error --text="my error message" The error text to pass is obtained as output from another application. This output may contain ...
5
votes
1answer
164 views

find usage - command line vs script

I am seeing different results from the find command between being run manually on the command line vs run in a script. If I run the following on the command line: find . -name '*.txt' ! -name ...
3
votes
2answers
415 views

issues with GNU tail -f and combination of commands

$ tail -f /logs/filename.log | awk '!(/list)' I am able to run this command in GNU Linux flavour But when I written in a script it is not working. test.ksh: variable="/logs/filename.log | awk ...
56
votes
4answers
133k views

How do I grep for multiple patterns?

I want to find all lines in several files that match one of two patterns. I tried to find the patterns I'm looking for by typing grep (foo|bar) *.txt but the shell interprets the | as a pipe and ...
4
votes
1answer
404 views

printing a string's “canonical print-escaped form”

I'm trying to write a function, I'll call it escape, that will behave like this: % IFS=$' \t\n\000' % escape FOO $IFS FOO=$' \t\n\000' In other words, escape takes two arguments, and then, taking ...
20
votes
2answers
785 views

Why escape trivial characters in shell script?

I just opened a legacy shell script (written in old ksh88 on Solaris) and found the following repeated all throughout the code: [ -f $myfile ] && \rm -f $myfile The escaping backslash ...
3
votes
3answers
640 views

pull out a file named to ~

So I have downloaded a music album from aMule and it is located in the .aMule/Incoming directory. I tried to move it out with the following command: mv albumName.rar ~ This left me with a file ~ ...