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What are good grep tools for Windows? [closed]
... correctly, and an alias ss for Select-String. So you an write:
gcir *.txt | ss foo
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Loop through an array of strings in Bash?
...ashes behavior:
Create a list in a file
cat <<EOF> List_entries.txt
Item1
Item 2
'Item 3'
"Item 4"
Item 7 : *
"Item 6 : * "
"Item 6 : *"
Item 8 : $PWD
'Item 8 : $PWD'
"Item 9 : $PWD"
EOF
Read the list file in to a list and display
List=$(cat List_entries.txt)
echo $List
echo '$List'
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What does the “@” symbol do in Powershell?
... a hash table with key-value pairs, e.g.
$HashArguments = @{ Path = "test.txt"; Destination = "test2.txt"; WhatIf = $true }
Splatting (see about_splatting)
Let's you invoke a cmdlet with parameters from an array or a hash-table rather than the more customary individually enumerated parameters, e....
How to generate an openSSL key using a passphrase from the command line?
...ssions, and specify that:
openssl genrsa -aes128 -passout file:passphrase.txt 3072
Or supply the passphrase on standard input:
openssl genrsa -aes128 -passout stdin 3072
You can also used a named pipe with the file: option, or a file descriptor.
To then obtain the matching public key, you n...
Batch file to delete files older than N days
...* /d:%1 /L /I null') do if exist %%~nxa echo %%~nxa >> FILES_TO_KEEP.TXT
for /f "tokens=*" %%a IN ('xcopy *.* /L /I /EXCLUDE:FILES_TO_KEEP.TXT null') do if exist "%%~nxa" del "%%~nxa"
This deletes files older than a given date. I'm sure it can be modified to go back seven days from the curre...
How can I copy the output of a command directly into my clipboard?
... you can also use cat, if you already work with it: cat file.txt | pbcopy
– rtrigoso
Jun 2 '17 at 15:28
4
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How do I move a single folder from one Subversion repository to another repository?
...svn log URL_to_docs | awk '/^r/{gsub(/^r/,"",$1);print $1}' > revisions.txt
#tac for revisions in reverse (oldest revision first)
tac revisions.txt | while read line; do svnadmin dump /svn/old_repo -r$line >> ./docs_revisions.dump ; done
#You don't have to filter if you commited only files...
How to do a PUT request with curl?
...
An example PUT following Martin C. Martin's comment:
curl -T filename.txt http://www.example.com/dir/
With -T (same as --upload-file) curl will use PUT for HTTP.
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Resolve absolute path from relative path and/or file name
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@KurtPfeifle d:\foo\..\bar\xyz.txt can still be normalized. I recommend using this approach with @axel-heider's answer below (using a batch subroutine -- then you can do it on any variable, not just a numbered variable).
– BrainSlugs...
Set cache-control for entire S3 bucket automatically (using bucket policies?)
... Here are a some examples.
For a single file
aws s3 cp s3://mybucket/file.txt s3://mybucket/file.txt --metadata-directive REPLACE \
--expires 2034-01-01T00:00:00Z --acl public-read --cache-control max-age=2592000,public
For an entire bucket (note --recursive flag):
aws s3 cp s3://mybucket/ s3://my...