practicalshellscripting.blogspot.com

Practical Shell Scripting

Wednesday, August 17, 2011. Padding variables in bash. This is a quick, but very helpful little script I found out on the net for padding variables. While [ ${#word} -lt $2 ]; do. While [ ${#word} -lt $2 ]; do. Lpad 3 5 0. Monday, March 7, 2011. Finding Blank spaces and fields in awk and perl. This checks if $24 has any number of blanks in it #. If ($24 / *$/). Printf("%s ",$2);. Printf("%s ",$24);. Labels: matching blank spaces in awk and perl. Wednesday, August 18, 2010. Unix cut command examples.

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Practical Shell Scripting | practicalshellscripting.blogspot.com Reviews

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Wednesday, August 17, 2011. Padding variables in bash. This is a quick, but very helpful little script I found out on the net for padding variables. While [ ${#word} -lt $2 ]; do. While [ ${#word} -lt $2 ]; do. Lpad 3 5 0. Monday, March 7, 2011. Finding Blank spaces and fields in awk and perl. This checks if $24 has any number of blanks in it #. If ($24 / *$/). Printf(%s ,$2);. Printf(%s ,$24);. Labels: matching blank spaces in awk and perl. Wednesday, August 18, 2010. Unix cut command examples.

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practical shell scripting,bin/bash,function lpad,word= $1,word= $3$word ;,done;,echo $word ;,function rpad {,word= $word$3 ;,rpad fooby 20,posted by,apglaser,no comments,else,1 comment,pretty neat huh,usr/bin/perl,print file exists,else {,use strict;,done

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Practical Shell Scripting | practicalshellscripting.blogspot.com Reviews

https://practicalshellscripting.blogspot.com

Wednesday, August 17, 2011. Padding variables in bash. This is a quick, but very helpful little script I found out on the net for padding variables. While [ ${#word} -lt $2 ]; do. While [ ${#word} -lt $2 ]; do. Lpad 3 5 0. Monday, March 7, 2011. Finding Blank spaces and fields in awk and perl. This checks if $24 has any number of blanks in it #. If ($24 / *$/). Printf("%s ",$2);. Printf("%s ",$24);. Labels: matching blank spaces in awk and perl. Wednesday, August 18, 2010. Unix cut command examples.

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practicalshellscripting.blogspot.com

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Practical Shell Scripting: Unix cut command examples

http://practicalshellscripting.blogspot.com/2010/08/unix-cut-command-examples.html

Wednesday, August 18, 2010. Unix cut command examples. I'm sure many of you are familiar with the unix cut command, but what you may not know is that it can not only cut sing fields, but also ranges of fields as well as columns. For instance if you want to see filed 27-30 of a pipe delimited file try:. Cat file cut -d" " -f27-30. And if you just want to see columns 27 and 30 with out the rest of the stuff between try:. Cat file cut-d" " -f27,30. Labels: unix cut commands. January 12, 2012 at 12:16 AM.

2

Practical Shell Scripting: padding variables in bash

http://practicalshellscripting.blogspot.com/2011/08/padding-variables-in-bash.html

Wednesday, August 17, 2011. Padding variables in bash. This is a quick, but very helpful little script I found out on the net for padding variables. While [ ${#word} -lt $2 ]; do. While [ ${#word} -lt $2 ]; do. Lpad 3 5 0. Subscribe to: Post Comments (Atom). Padding variables in bash. View my complete profile.

3

Practical Shell Scripting: A quick perl script to solve that same problem

http://practicalshellscripting.blogspot.com/2010/04/quick-perl-script-to-solve-that-same.html

Saturday, April 3, 2010. A quick perl script to solve that same problem. Check for existence of a file #. If (-e "./test2.txt") {. Print "File does not exist";. Print " n ";. Open(MYDATA, "test2.txt") or. Die("Error: cannot open file 'data.txt' n");. My $lnum = 1;. Fee, $fi, $fo, $fum) = (split(/,/, $line) ;. Print "COLUMN 2 is: $fi n ";. If ( $fi = / ./ ) {. Print "found one n";. Print "$lnum $line n";. Subscribe to: Post Comments (Atom). A quick perl script to solve that same problem.

4

Practical Shell Scripting: More on records that have a period at the beginning

http://practicalshellscripting.blogspot.com/2010/04/more-on-records-that-have-period-at.html

Saturday, April 3, 2010. More on records that have a period at the beginning. One possible method to find all of the columns that start with period #. Cat $1 cut -d" " -f2 grep ' .' badrecords.txt. Cat $1 cut -d" " -f2 grep ' .' badrecords.txt. Find all records that have a pipe followed by a period. Grep ' .' test1.txt. The quick sed command to make global switches #. S/ /, g # translates all pipes to comas. S/,/ /g # translates all comas to pipes:w. Subscribe to: Post Comments (Atom).

5

Practical Shell Scripting: sort records by fields with sort

http://practicalshellscripting.blogspot.com/2010/08/sort-records-by-fields-with-sort.html

Wednesday, August 18, 2010. Sort records by fields with sort. I just found a very neat little jewel of a use for the unix sort command. Apparently you can use sort with the -t option and specify fields like so:. Cat onlyequipment.txt sort -t" " 2 onlyequipment.sorted.txt. Given this command sort will sort the records of file onlyequipment.txt based on the 3rd field of the pipe delimited field such as:. 38320 E STENTM 20100518 1445 CYSTOM 30. 4871 E US/BX 20100617 0800 US/BX 45. Labels: unix sort by fields.

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