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27 paź 2015 · alias foo='env - X=42 perl -E"say \$ENV {X}"'. This sets an alias foo which declares the environmental variable X and initializes it to 42 before executing perl and instructing it to print out the environmental variable X. answered Feb 27, 2020 at 18:54. Evan Carroll.
20 sie 2011 · You will have to create a function. alias does not accept parameters but a function can be called just like an alias. For example: myfunction () { #do things with parameters like $1 such as mv "$1" "$1.bak" cp "$2" "$1" } myfunction old.conf new.conf #calls `myfunction`.
25 maj 2012 · This particular file is used for commands which run when the normal user logs in. Common uses for .bash_profile are to set environment variables such as PATH, JAVA_HOME, to create aliases for shell commands, and to set the default permissions for newly created files.
3 lip 2024 · The alias command in Linux allows users to create shortcuts for long or complex commands, simplifying command-line usage. By defining an alias, you can substitute a shorter or more intuitive name for a lengthy command sequence.
8 paź 2017 · I have multiple java versions installed on my machine and I want to create an alias for all of them. Typically the executable for java is in folder /Library//bin/java. I want to create and alias so that I type java9 in bash and it executes executable for java9 (ad similarly for other java versions). How to do this.
13 sty 2012 · If you're really against using a function per se, you can use: $ alias wrap_args='f(){ echo before "$@" after; unset -f f; }; f'. $ wrap_args x y z. before x y z after. You can replace $@ with $1 if you only want the first argument.
If your intention it to use a specific version of Java, then you might want to define JAVA_HOME and set PATH variable accordingly. export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/bin/java. export PATH=$PATH:export PATH=$PATH:/usr/java/jdk1.5.0_07/bin.
