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UNIX for Beginners Questions & Answers
Multiply values from a file
Post 303036611 by RudiC on Thursday 4th of July 2019 04:23:53 PM
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1. Shell Programming and Scripting
I need to multiply the value of a variable and then store it in another variable. I have EXPHOURINSEC=$(($EXPDATEHOUR * 3600)) but i get an error saying the * is unexpected.
Im using ksh (4 Replies)
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All I want to do is find 5!.
read num
num={1..5}
while
do
f=
done
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Error Msg. line 5: ${1..5} bad substitution
line 6: integer expression expected
Line 5 is the num=...
Line 6 is the "while" statement
I am new at this, and I am really, really trying.
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Hi
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Hi all,
I have 2 files. One contains only 1 column and other one contains 2 columns, let say 1_col.txt and 2_col.txt respectively. Here, I will try to explain with an example.
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a a b
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5. UNIX for Dummies Questions & Answers
Basically, my problem is to multiply my file to $c times. Is there a faster way to do this?
c=100
while ]; do
cat file1.txt
((c=$c-1))
done > file2.txt
I appreciate your help! (6 Replies)
Discussion started by: chstr_14
6 Replies
6. Shell Programming and Scripting
- I have two files (File 1 and File 2) and the contents of the files are mentioned below.
- I am trying to compare the values of Column1 of File1 with Column1 of File2. If a match is found, print the corresponding value from Column2 of File1 in Column5 of File2.
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7. Shell Programming and Scripting
Hi Everyone !
I have two files with the same configuration
and I want to multiply corresponding values and write the result in a file.
Let say 2 header lines and then lines of values (with not constant number of columns):
more file1.txt -->
BLABLABLA
BLABLABLA
1 2 3 4
1 2 3
1 2
1... (7 Replies)
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8. Shell Programming and Scripting
I have a file containing multiple values, some of them are pipe separated which are to be read as separate values and some of them are single value all are these need to store in variables.
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Config.txt
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Hi,
I want to replace a chain of if-else statement in an old AWK file with values from Db2 table or CSV file. The part of code is below...
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Hi,
I have two files with values in both.
File1:
cat 2 3
dog 4 5
elephant 6 7
camel 2 3
File2:
----+--gkf;ajf=
---+----
+----- cat -------=----+ 3 | 4 ----- dog ------++-- 5 | 9 ----++-- elephant |
5 | 7
---++ camel ------ ++++_---- || 8 | 9
I want the final file as:
cat 4... (1 Reply)
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LEARN ABOUT DEBIAN
freebsd-yyfix
YYFIX(1) BSD General Commands Manual YYFIX(1) NAME
yyfix -- extract tables from y.tab.c SYNOPSIS
yyfix file [tables] DESCRIPTION
Programs have historically used a script (often named ``:yyfix'') to extract tables from the yacc(1) generated file y.tab.c. As the names of the tables generated by the current version of yacc(1) are different from those of historical versions of yacc(1), the shell script yyfix is provided to simplify the transition. The first (and required) argument to yyfix is the name of the file where the extracted tables should be stored. If further command line arguments are specified, they are taken as the list of tables to be extracted. Otherwise, yyfix attempts to deter- mine if the y.tab.c file is from an old or new yacc(1), and extracts the appropriate tables. The tables ``yyexca'', ``yyact'', ``yypact'', ``yypgo'', ``yyr1'', ``yyr2'', ``yychk'', and ``yydef'' are extracted from historical versions of yacc(1). The tables ``yylhs'', ``yylen'', ``yydefred'', ``yydgoto'', ``yysindex'', ``yyrindex'', ``yygindex'', ``yytable'', ``yyname'', ``yyrule'', and ``yycheck'', are extracted from the current version of yacc(1). FILES
y.tab.c File from which tables are extracted. SEE ALSO
yacc(1) HISTORY
The yyfix command first appeared in 4.4BSD. BSD
March 23, 1993 BSD