'\" t
.\"     Title: crystal-env
.\"    Author: [see the "AUTHOR(S)" section]
.\" Generator: Asciidoctor 2.0.26
.\"      Date: 2026-07-23
.\"    Manual: Crystal Compiler Command Line Reference Guide
.\"    Source: crystal 1.21.0
.\"  Language: English
.\"
.TH "CRYSTAL\-ENV" "1" "2026-07-23" "crystal 1.21.0" "Crystal Compiler Command Line Reference Guide"
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.SH "NAME"
crystal-env \- Print environment variables for the Crystal compiler
.SH "SYNOPSIS"
.sp
\fBcrystal env\fP [variables]
.SH "DESCRIPTION"
.sp
Print Crystal\-specific environment variables in a format compatible with
shell scripts. If one or more variable names are given as arguments, it
prints only the value of each named variable on its own line.
.sp
Variables:
.sp
\fBCRYSTAL_CACHE_DIR\fP
.RS 4
Please see ENVIRONMENT VARIABLES.
.RE
.sp
\fBCRYSTAL_EXEC_PATH\fP
.RS 4
Please see ENVIRONMENT VARIABLES.
.RE
.sp
\fBCRYSTAL_LIBRARY_PATH\fP
.RS 4
Please see ENVIRONMENT VARIABLES.
.RE
.sp
\fBCRYSTAL_PATH\fP
.RS 4
Please see ENVIRONMENT VARIABLES.
.RE
.sp
\fBCRYSTAL_VERSION\fP
.RS 4
Contains Crystal version.
.RE
.SH "INFORMATIVE VARIABLES"
.sp
These variables expose information about the Crystal compiler and cannot be configured externally.
.SS "CRYSTAL_VERSION"
.sp
Contains Crystal version.