shell
How to sleep a random fraction of a second in POSIX shell?
The following won\'t work: /bin/sleep $(printf \".%02ds\" $(( $RANDOM % 100 ))) POSIX sleep supports only integral seconds[详细]
2023-04-13 00:31 分类：问答Speed of writing to a text file or via key/value database
I tested writing to a text file simply via shell command or php. Using a while loop for 1 million cycles, appending cycle number into the file (as $i\\n). I thought this must be fastest way to store d[详细]
2023-04-12 23:14 分类：问答Python fabric sudo() returning weird escape characters in output
The code I\'m trying to run: from fabric.api import * from fabric.contrib.files import * def git(): with cd(\'/home/something\'):[详细]
2023-04-12 23:02 分类：问答UNIX simple shell in C, execve and parameters
[...] Preprocesser directives void read_command() { int i;//index to the arrays stored in parameter[] char *cp;//points to the command[][详细]
2023-04-12 22:08 分类：问答Can I execute the command for each result of the file globbing in zsh without for?
I am searching for away to execute the current command for each res开发者_运维问答ult of the file globbingwithout building a for loop. I saw this somewhere but can\'t remember where exactly.[详细]
2023-04-12 21:51 分类：问答script to submit ten jobs and wait to complete and resubmit next ten process to complete?
How can I need to submit many jobs in parallel (say batch of ten each) and wait for them to complete and then resubmit next ten so on....?[详细]
2023-04-12 21:43 分类：问答List contents of multiple jar files
I am searching for a .class file inside a bunch of jars. jar tf abc.jar works for one file. I tried find -name \"*.jar\" | xargs jar tf[详细]
2023-04-12 21:23 分类：问答Why 'script' utility require SHELL under Cygwin (and work fine under Linux)?
Look to my session: gavenko+bash# echo $SHELL /bin/bash gavenko+bash# script Script started, file - typescript[详细]
2023-04-12 19:34 分类：问答how to identify a running bash script?
I edit code and LaTeX and like t开发者_C百科o do periodic compilation to check whether edits are doing what I want. I usually run a small bash command line that looks like \"while true; do make -s foo[详细]
2023-04-12 17:51 分类：问答Does there exist standard way to run external program in Common Lisp?
In clisp, the following code works: (defun hit-history () (shell \"tail ssqHitNum.txt\")) However, in Clozure CL, the she开发者_如何学Goll function is not supported!No, there is no standard way, bu[详细]
2023-04-12 16:03 分类：问答
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