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日期:2024-07-27
Those last two are not recommended because the use of "goto" statements makes it hard for a programmer to understand the flow of control, and is generally regarded as a last resort. Also, in C and its descendants, a while loop is a for loop with no initia...
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日期:2024-07-30
while IFS= read -r line do command1 on $line command2 on $line .. .... commandN done < ......
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日期:2024-07-29
A tutorial on Unix shell scripting with Bourne and Korn shells ... \0n where n is the 8-bit character whose ASCII code is the 1-, 2- or 3-digit octal number representing that character. -n suppress newline...
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日期:2024-07-28
The Grymoire's tutorial on the Bourne Shell ... Filename expansions are based on the current directory, unless the filename starts with a slash. The Bourne shell differs from the C shell if the meta-characters do not match any file....
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日期:2024-07-27
16 Jul 2009 ... Can you provide me a while loop control flow statement shell script syntax and
example that allows code to be executed repeatedly based on a ......
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日期:2024-07-23
27 May 2013 ... The while loop syntax. The syntax is: while [ condition ] do command1 command2
.. .... commandN done. Command1..commandN will execute ......
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日期:2024-07-30
15 Mar 2008 ... Explains how to use a Bash while loop control flow statement under Linux / UNIX
/ BSD / Mac OS X bash shell with examples....
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日期:2024-07-29
Note the first syntax is recommended as : is part of shell itself i.e. : is a shell builtin command. A menu driven program using while loop The following menu driven program typically continues till user selects to exit by pressing 4 option. The case stat...