EIC code displayed by LXR |
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File indexing completed on 2026-10-08 08:36:30
0001 #!/usr/bin/env bash 0002 set -euo pipefail 0003 0004 # LXPLUS exports a `which` shell function that calls the host's GNU which 0005 # with long options. When inherited by the EIC container, that function can 0006 # shadow the container's simpler /usr/bin/which and produce "Illegal option" 0007 # errors. Drop only the inherited function; the container's which remains 0008 # available normally. 0009 unset -f which 2>/dev/null || true 0010 0011 if [[ "$#" -lt 2 ]]; then 0012 echo "Usage: $0 EIC_SHELL COMMAND [ARGUMENT ...]" >&2 0013 exit 2 0014 fi 0015 0016 EIC_SHELL=$1 0017 shift 0018 0019 if [[ ! -x "$EIC_SHELL" ]]; then 0020 echo "eic-shell not found or not executable: $EIC_SHELL" >&2 0021 exit 2 0022 fi 0023 0024 # The container-side eic-shell accepts a command reliably through stdin. 0025 # Quote every argv element as a single-quoted shell word. Use the 0026 # '"'"' spelling for an embedded apostrophe so the generated command line 0027 # is safe for the inner shell. Double literal backslashes for eic-shell's 0028 # outer `read` loop (without -r), which consumes one transport-escape layer. 0029 quote_word() { 0030 local value=$1 0031 value=${value//\\/\\\\} 0032 local apostrophe="'\"'\"'" 0033 value=${value//\'/$apostrophe} 0034 printf "'%s'" "$value" 0035 } 0036 0037 emit_command() { 0038 local first=1 0039 local value 0040 for value in "$@"; do 0041 if (( first )); then 0042 first=0 0043 else 0044 printf ' ' 0045 fi 0046 quote_word "$value" 0047 done 0048 printf '\n' 0049 } 0050 0051 emit_command "$@" | "$EIC_SHELL"
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