09-24-2009
pass perl variables to shell script
I have a perl script that opens a text file containing numbers on each line:
for example:
755993
755994
755995
755996
755997
755998
The perl script takes these numbers and store them as an array @raw_data, where I can access individual numbers by using $raw_data[0] for the value 755993.
What I want is to pass the variable $raw_data[0] and the following numbers ($raw_data[1] ... $raw_data[77]) one by one into a shell script (bash) where I can store them as the variable ID_NUMBER (for example) and be able to use the value in my shell script. In case, I wasn't clear, I want to pass $raw_data[0] into my shell script, save it as the variable ID_NUMBER, run the rest of the shell script, then pass $raw_data[1] into the script and do the same thing as before.
I'm hoping someone can provide a solution to this problem. I've tried using the system() command in perl and possibly I'm doing it wrong, but it hasn't worked out for me.
Thanks in advance!
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LEARN ABOUT NETBSD
script
SCRIPT(1) BSD General Commands Manual SCRIPT(1)
NAME
script -- make typescript of terminal session
SYNOPSIS
script [-adfpqr] [-c command] [file]
DESCRIPTION
script makes a typescript of everything printed on your terminal. It is useful for students who need a hardcopy record of an interactive
session as proof of an assignment, as the typescript file can be printed out later with lpr(1).
If the argument file is given, script saves all dialogue in file. If no file name is given, the typescript is saved in the file typescript.
Option:
-a Append the output to file or typescript, retaining the prior contents.
-c command
Run the named command instead of the shell. Useful for capturing the output of a program that behaves differently when associated
with a tty.
-d When playing back a session with the -p flag, don't sleep between records when playing back a timestamped session.
-f Flush output after each write. This is useful for watching the script output in real time.
-p Play back a session recorded with the -r flag in real time.
-q Be quiet, and don't output started and ended lines.
-r Record a session with input, output, and timestamping.
The script ends when the forked shell exits (a control-D to exit the Bourne shell (sh(1)), and exit, logout or control-d (if ignoreeof is not
set) for the C-shell, csh(1)).
Certain interactive commands, such as vi(1), create garbage in the typescript file. script works best with commands that do not manipulate
the screen, the results are meant to emulate a hardcopy terminal.
ENVIRONMENT
The following environment variable is used by script:
SHELL If the variable SHELL exists, the shell forked by script will be that shell. If SHELL is not set, the Bourne shell is assumed. (Most
shells set this variable automatically).
SEE ALSO
csh(1) (for the history mechanism).
HISTORY
The script command appeared in 3.0BSD.
BUGS
script places everything in the log file, including linefeeds and backspaces. This is not what the naive user expects.
BSD
October 17, 2009 BSD