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Questions tagged [csh]

csh, or the C shell, is a command interpreter with a syntax reminiscent of the C programming language.

Quoted from the Solaris csh man page:

csh, the C shell, is a command interpreter with a syntax reminiscent of the C language. It provides a number of convenient features for interactive use that are not available with the Bourne shell, including filename completion, command aliasing, history substitution, job control, and a number of built-in commands. As with the Bourne shell, the C shell provides variable, command and filename substitution.

csh first appeared in 2BSD, and was originally created by Bill Joy. While Bourne shells are more popular, csh-style shells are still fairly popular especially in the BSD community & academia.

is an an enhanced version of csh, almost all versions of csh encountered nowadays are actually tcsh.

Programming in csh is a controversial topic. For one viewpoint, see this article.

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How do I remove all lines starting from the beginning until I reach a certain pattern, except from the last one

Example: >"one" >"two" >"three" >"title" >12 23 14 >... I want to remove all lines at the beginning until I reach the one in which NF==3 (awk), but the line named "title", and just once at the beginning of the file, not repeatedly. Thank…
Juan Manuel García
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What is a perl one liner to replace a substring in a string?

Suppose you've got this C shell script: setenv MYVAR "-l os="\""redhat4.*"\"" -p -100" setenv MYVAR `perl -pe ""` Replace with code that will either replace "-p -100" with "-p -200" in MYVAR or add it if it doesn't exist, using a one liner…
dromodel
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What are ` in bash scripts?

I need help understanding a bash script. This bash script auto generates cron job lines from text files found in a specific folder…
prince
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