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Have bash script answer interactive prompts [duplicate]
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I found the best way to send input is to use cat and a text file to pass along whatever input you need.
cat "input.txt" | ./Script.sh
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How to programmatically determine the current checked out Git branch [duplicate]
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Do not use cat .git/refs/heads/branch; use git rev-parse --verify refs/heads/branch. Refs can be packed, and the solution with cat would fail.
– Jakub Narębski
Nov 1 '09 at 9:06
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
.../mortimer/Projects/my_products
launchctl setenv ANDROID_NDK_HOME /Applications/android-ndk
launchctl setenv PATH $PATH:/Applications/gradle/bin
</string>
</array>
<key>RunAtLoad</key>
<true/>
</dict>
</plist>
You can add many launchctl c...
How can I reverse the order of lines in a file?
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Also worth mentioning: tac (the, ahem, reverse of cat). Part of coreutils.
Flipping one file into another
tac a.txt > b.txt
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How to set environment variables in Jenkins?
...ne evaluates to key=value. In my use case I generate the line completely: cat app/build.gradle | grep "def majorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])'
– kenny_k
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Elastic Search: how to see the indexed data
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Facets are now deprecated
– notapatch
Jul 6 '14 at 16:36
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Compare two files line by line and generate the difference in another file
...ordered in to ascending or descending order e.g. "\1\n2\n3\n3\n" with duplicates adjacent. That is "sorted" and both files must be sorted in a similar manner. When the newer file has new lines it does not matter if they are "between existing lines" because after the sort they are not, they're in sor...
How do I list one filename per output line in Linux?
...n answer is or that this answer has fewer votes than the one that pipes to cat. ls -1 ftw.
– crantok
May 21 '13 at 21:05
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sed or awk: delete n lines following a pattern
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This might work for you:
cat <<! >pattern_number.txt
> 5 3
> 10 1
> 15 5
> !
sed 's|\(\S*\) \(\S*\)|/\1/,+\2{//!d}|' pattern_number.txt |
sed -f - <(seq 21)
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Run R script from command line
...ew file called a.Rout will be created.
R CMD BATCH a.R
# Check the output
cat a.Rout
One other thing to note about using Rscript is that it doesn't load the methods package by default which can cause confusion. So if you're relying on anything that methods provides you'll want to load it explicit...