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Shell Programming and Scripting
Conditional IF statement with a wildcard
Post 302549720 by binary-ninja on Tuesday 23rd of August 2011 09:35:56 PM
08-23-2011
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how can i use awk or sed to do a conditional statement, so that
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if MM not great than 30 , then MM=00
else MM=30
ie:
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10:29 will display 10:00
a=$(echo 10:34 | awk ......)
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can somebody help, what quote i should use in below statement or what wrong of it ?
the 1st (*) is a char, the 2nd and 3rd (*) is a wildcard
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................^ .............^
then
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fi
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LEARN ABOUT V7
man
MAN(1) General Commands Manual MAN(1) NAME
man - print sections of this manual SYNOPSIS
man [ option ... ] [ chapter ] title ... DESCRIPTION
Man locates and prints the section of this manual named title in the specified chapter. (In this context, the word `page' is often used as a synonym for `section'.) The title is entered in lower case. The chapter number does not need a letter suffix. If no chapter is speci- fied, the whole manual is searched for title and all occurrences of it are printed. Options and their meanings are: -t Phototypeset the section using troff(1). -n Print the section on the standard output using nroff(1). -k Display the output on a Tektronix 4014 terminal using troff(1) and tc(1). -e Appended or prefixed to any of the above causes the manual section to be preprocessed by neqn or eqn(1); -e alone means -te. -w Print the path names of the manual sections, but do not print the sections themselves. (default) Copy an already formatted manual section to the terminal, or, if none is available, act as -n. It may be necessary to use a filter to adapt the output to the particular terminal's characteristics. Further options, e.g. to specify the kind of terminal you have, are passed on to troff(1) or nroff. Options and chapter may be changed before each title. For example: man man would reproduce this section, as well as any other sections named man that may exist in other chapters of the manual, e.g. man(7). FILES
/usr/man/man?/* /usr/man/cat?/* SEE ALSO
nroff(1), eqn(1), tc(1), man(7) BUGS
The manual is supposed to be reproducible either on a phototypesetter or on a terminal. However, on a terminal some information is neces- sarily lost. MAN(1)