Результаты поиска по запросу "perl regex in shell script":

    1. how to write a script or shell command to use a regex in perl? - Stack Overflow

      Close $infh; close $outfh; Update to explain regex.


    2. regex - Using regular expressions in shell script - Stack Overflow

      For simple text manipulations, just stick with the grep/sed combo. When you need more complicated processing, move on up to awk or perl.


    3. perl regex in shell script

      • How can I use regular expression to this in shell script? Thanks in advance!
      • Perl regex tutorial: non-greedy expressions. Have you ever built a complex Perl-style regular expression, only to find that it matches much more data than you anticipated?


    4. [SOLVED] perl regex $1 in a shell script | Forum

      • if I use double quotes for my rename regex I can use variables from the shell level ie. $show but then the $1 will be the first parameter passed to the shell script not the episode number (the three numbers in matched at the beginning of the line).


    5. Introduction to Regular Expressions | Perl and Regular Expressions

      • We could write a full-blown shell script (or Perl script) that would do this, but often, the job is faster and easier if we build a very simple shell script with a series of
      • If you're a programmer who's new to regular expressions, you can probably imagine the advantage of using Perl as a regex "wrapper."


    6. In Perl @ARGV contains the raw command line arguments as passed by the user running the script

      • Regular Expressions. Introduction to Regexes in Perl 5. Regex character classes.
      • The shell or command line, where you run the script takes the line apart and passes the values to perl which then puts them in @ARGV.


    7. How to write shell scripts in Perl | regx.dgswa.com

      • Your first perl shell script. Writing shell scripts in perl is really easy. You have several commands that allow you to run system commands the system command which wait for the command to finish and returns the output and exec which never returns.


    8. Bash Shell: Extract Digits From a String – nixCraft

      • Bash does not use regular expressions (execpt in [[ xxx =~ regex ]]); it uses filename expansion rules, which also accepts character classes.
      • Perl sprintf: How Do I Use sprintf In a Perl Script? Search Text File In UNIX. FreeBSD Install BASH Shell.


    9. String Operations in Shell | Operator ##: deletes the longest possible match from the left. For strings it is equivalent in Perl to this following one liner if ($k=rindex($var,$pattern))>-1 ) { substr($var,0,$k-1)='';}

      • If regular expression is used, this is equivalent to $var=s/regex/string/operation in Perl. See also Search and Replace Unlike in Perl only basic regular
      • This allows indenting here documents in shell scripts (primarily for alignment with existing indentation) without changing their value:[a].


    10. regular expression to extract information in shell script - Unix & Linux Stack Exchange

      • shell-script regular-expression. share|improve this question.
      • @AbdulAlHazred, "-o" is for printing only the matching part and "-P" is to use the Perl regex pattern.