search:shell script if test command相關網頁資料

- en.wikipedia.org
  
  Shell script - Wikipedia, the free encyclopedia
  
  A shell script is a computer program designed to be run by the Unix shell, a command line interpreter.[1] The various dialects of shell scripts are considered to be scripting languages. Typical operations performed by shell scripts include file manipulati
  
  2025-04-25
  
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- tldp.org
  
  Introduction to if
  
  The TEST-COMMAND list is executed, and if its return status is zero, the ... More information about this subject can be found in the Bash documentation. ... valid UNIX command, any executable program, any executable shell script or any shell ...
  
  2025-04-25
  
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how to pass command-line parameter to shell script?

日期：2025-04-28

Hello, I am new to linux and very new to shell scripting. How does one pass a command-line parameter to a shell script? In DOS/OS/2 terms, I am...

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UNIX and Linux Shell Script Test Command - IT For Everyone!

日期：2025-04-25

test returns true in the following cases: test s s is not a null string test -n string string is nonzero test sting1 = string2 the two strings are equal test sting1 != string2 the two strings are not equal test integer1 -eq integer2 the integers are equal...

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Test command - Linux Shell Scripting Tutorial - A Beginner's handbook

日期：2025-04-28

← Bash structured language constructs Home if structures to execute code based on a condition → The test command is used to check file types and compare values. Test is used in conditional execution. It is used for: File attributes comparisons Perform str...

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redirect output of a command to a variable in a shell script (Page 1) / Files and Directories / UNIX

日期：2025-04-24

can we redirect output of a command to a variable in a shell script the following are the commands used set var1 = " " basename test.tif.gz .gz > var1 or the other way set the variable from the file basename test.tif.gz .gz > outputfile...

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bash - executing shell command in background from script - Stack Overflow

日期：2025-04-26

Leave off the quotes $cmd & $othercmd & eg: nicholas@nick-win7 /tmp $ cat test #!/bin/bash cmd="ls -la" $cmd & nicholas@nick-win7 /tmp $ ./test nicholas@nick-win7 /tmp $ total 6 drwxrwxrwt+ 1 nicholas root 0 2010-09-10 20:44 . drwxr-xr-x+ 1 nicholas root ...

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jrunscript - command line script shell - Oracle Help Center

日期：2025-04-29

Synopsis Parameters Description Options Arguments Examples See Also SYNOPSIS jrunscript [ options] [ arguments... ] PARAMETERS options Options, if used, should follow immediately after the command name. arguments Arguments, if used, should follow ......

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How to: Run a shell script with nohup command

日期：2025-04-25

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