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UNIX for Beginners Questions & Answers
Incremental logic
Post 302990102 by Don Cragun on Sunday 22nd of January 2017 12:08:12 AM
01-22-2017
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1. UNIX for Dummies Questions & Answers
let says, i have this number as 000002080, i want to add 1 to make it 000002081, and then i want to add 1 to 000002082, add 1 to 000002083, 84.
i=000002080
TOT=$(echo "scale=9; $i + 1" | bc)
echo $TOT
it shows 2081, i want to retain 000002081, 000002082, 000002082, 000002084. (2 Replies)
Discussion started by: tjmannonline
2 Replies
LEARN ABOUT SUNOS
script
script(1) User Commands script(1) NAME
script - make record of a terminal session SYNOPSIS
script [-a] [filename] DESCRIPTION
The script utility makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the record is saved in the file typescript. See WARNINGS. The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends when the forked shell exits or when Control-d is typed. OPTIONS
The following option is supported: -a Appends the session record to filename, rather than overwriting it. NOTES
script places everything that appears on the screen in filename, including prompts. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) WARNINGS
script can pose a security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a privileged user, that is, root. Be sure that typescript is not a link before running script. SunOS 5.10 30 Jan 2004 script(1)