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Associative arrays in Shell scripts
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I'm using something like this. What's the best way to "m>cat m>ch" the error where the array index/subscript doesn't exist? For example, what if I was taking the subscript as a command line option, and the user made a typo and entered "designatio"? I get a "bad array subscript" erro...
`Apache` `localhost/~username/` not working
...bin}:"
echo "INFO: ${bin}: check that this looks OK"
echo "INFO: ${bin}: % m>cat m> /private/etc/apache2/extra/httpd-userdir.conf"
echo "INFO: ${bin}:"
m>cat m> /private/etc/apache2/extra/httpd-userdir.conf
echo "INFO: ${bin}:"
echo "INFO: ${bin}: in particular, that '/private/etc/apache2/users/*.conf' files ...
What are bitwise operators?
... Wow, that makes a lot more sense now. It sounded a lot more complim>cat m>ed than it apparently is. Thanks. I'm not sure which to choose as the right answer as there are loads of good ones, and I can't upvote so.. thanks
– click
Nov 10 '08 at 0:21
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Fast way of finding lines in one file that are not in another?
...(This will have have different output to the diff method if there are duplim>cat m>es.)
In the event that the files are sufficiently large that storing them both causes a memory problem, you can trade CPU for memory by storing only file1 and deleting matches along the way as file2 is read.
BEGIN { FS="...
How to Debug Variables in Smarty like in PHP var_dump()
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If you want something prettier I would advise
{"<?php\n\$data =\n"|@m>cat m>:{$yourvariable|@var_export:true|@m>cat m>:";\n?>"}|@highlight_string:true}
just replace yourvariable by your variable
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Passing arguments to an interactive program non-interactively
...ugh the proper solution in the SSH case is to switch to public-key authentim>cat m>ion.
– tripleee
Mar 16 '17 at 4:59
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Shell script while read line loop stops after the first line
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Very useful, helped me to run this zsh oneliner: m>cat m> hosts | while read host ; do ssh $host do_something ; done
– rat
Jan 2 '18 at 16:43
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How can I make my own base image for Docker?
...he tar file to other docker system if not installed locally and import it
m>cat m> centos6-base.tar | docker import - centos6-base
Now you can verify by running it.
docker run -i -t centos6-base m>cat m> /etc/redhat-release
The scripts from dotcloud combine first two steps together which make me confus...
Repair all tables in one go
...to print REPAIR SQL statments for all tables inside a database:
select conm>cat m>('REPAIR TABLE ', table_name, ';') from information_schema.tables
where table_schema='mydatabase';
After that copy all the queries and execute it on mydatabase.
Note: replace mydatabase with desired DB name
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Git for beginners: The definitive practical guide
...ariable $GIT_DIR set in your current shell, git will ignore your current lom>cat m>ion and use the repository at $GIT_DIR. I should know, I lost an hour to that yesterday.
– sanmiguel
Mar 1 '12 at 12:17
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