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envsubst - Online in the Cloud

Run envsubst in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command envsubst that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


envsubst - substitutes environment variables in shell format strings

SYNOPSIS


envsubst [OPTION] [SHELL-FORMAT]

DESCRIPTION


Substitutes the values of environment variables.

Operation mode:
-v, --variables
output the variables occurring in SHELL-FORMAT

Informative output:
-h, --help
display this help and exit

-V, --version
output version information and exit

In normal operation mode, standard input is copied to standard output, with references to
environment variables of the form $VARIABLE or ${VARIABLE} being replaced with the
corresponding values. If a SHELL-FORMAT is given, only those environment variables that
are referenced in SHELL-FORMAT are substituted; otherwise all environment variables
references occurring in standard input are substituted.

When --variables is used, standard input is ignored, and the output consists of the
environment variables that are referenced in SHELL-FORMAT, one per line.

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