Create script for copying file contents

Author: lindhe

README.md

@@ -1,6 +1,3 @@
 # Scripts
 
 These are misc scripts I've made over the years to help with different things.
-
-It's migrated from [lindhe/dotfiles](https://github.com/lindhe/dotfiles) and I couldn't be bothered getting the history too.
-So the old stuff is in the history over there.

terminal/README.md

@@ -0,0 +1,5 @@
+# Terminal
+
+Terminal helper programs.
+
+* `copy.sh`: Copy the contents of a file to the clipboard.

terminal/copy.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+# Copy the contents of a file to the clipboard.
+
+set -euo pipefail
+
+stderr() {
+    echo "${@}" 1>&2
+}
+
+fail() {
+    stderr "${1}"
+    stderr ""
+    stderr "Exiting …"
+    exit "${2:-1}"
+}
+
+if [[ $# -ne 1 ]]; then
+    stderr ""
+    stderr "USAGE:"
+    stderr "    ${0} <file>"
+    stderr ""
+    exit 0
+fi
+
+if [[ "$(uname -r)" =~ .*microsoft.* ]]; then
+  declare -r IS_WSL=true
+else
+  declare -r IS_WSL=false
+fi
+
+if [[ "${IS_WSL}" == "false" ]]; then
+  missing_dependencies=false
+  declare -r dependencies=(
+    xclip
+  )
+  for dep in "${dependencies[@]}"; do
+    if ! command -v "${dep}" &> /dev/null; then
+      stderr "❌ ERROR: Missing dependency ${dep}"
+      missing_dependencies=true
+    fi
+  done
+  if ${missing_dependencies}; then
+    fail 'Please install the missing dependencies!'
+  fi
+fi
+
+if [[ "${IS_WSL}" == "true" ]]; then
+  /mnt/c/Windows/System32/clip.exe < "${1}"
+else
+  xclip -selection clipboard < "${1}"
+fi