大约有 17,000 项符合查询结果（耗时：0.0325秒） [XML]
Read values into a shell variable from a pipe
...nything really clever with this sort of thing you're better going for some scripting language like perl where you could try something like this:
perl -ane 'print "$F[0]\n"' < myFile
There's a fairly steep learning curve with perl (or I guess any of these languages) but you'll find it a lot eas...
How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
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Get a CSS value with JavaScript
I know I can set a CSS value through JavaScript such as:
9 Answers
9
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How to get the last character of a string in a shell?
...bbing before printing out. It is also better to quote the parameter to the script (in case you have a matching filename):
sh lash_ch.sh 'abcde*'
Also see the order of expansions in the bash reference manual. Variables are expanded before the filename expansion.
To get the last character you should ...
How to grep for two words existing on the same line? [duplicate]
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Prescription
One simple rewrite of the command in the question is:
grep "word1" logs | grep "word2"
The first grep finds lines with 'word1' from the file 'logs' and then feeds those into the second grep which looks for lines...
Track all remote git branches as local branches
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Thanks Otto, I suspected that scripting would be the only solution. You've provided a pretty simple one.
– Janson
Dec 20 '08 at 19:18
1...
How can I negate the return-value of a process?
...able answer — works with antique shells
In a Bourne (Korn, POSIX, Bash) script, I use:
if ...command and arguments...
then : it succeeded
else : it failed
fi
This is as portable as it gets. The 'command and arguments' can be a pipeline or other compound sequence of commands.
A not command
T...
Groovy executing shell commands
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It is not working with Bourn Again Shell script !#/bin/bash,
– Rashmi Jain
Nov 19 '18 at 8:13
1
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Is there a way to get version from package.json in nodejs code?
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Not working for my script with shebang installed globally. Error: Cannot find module 'package.json'.
– exebook
May 21 '15 at 11:39
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Circular (or cyclic) imports in Python
...eturn modules which appear to be partly empty.
Finally, the executing script runs in a module named __main__, importing
the script under its own name will create a new module unrelated to
__main__.
Take that lot together and you shouldn't get any surprises when importing
modules.
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